National Weather Service United States Department of Commerce
 

A line of severe storms moved across the northeast on the afternoon of May 15. The storms became severe due to a highly unstable environment ahead of a strong cold front. A total of 5 tornadoes were reported across four counties. Three tornadoes impacted Putnam (1 EF-2, 1 EF-1) and Orange County (1 EF-0) in New York. Two EF1 tornadoes impacted New Haven County in Connecticut. The intense squall line also created widespread wind damage across the Lower Hudson Valley, Southern Connecticut, Northeast New Jersey and Long Island.

day 1 outlook

 

Tornado - Newburgh, NY
ORANGE COUNTY

Date May 15, 2018
Time (Local) 4:16 pm
EF Rating 0
Est. Peak Winds 75 mph
Path Length 0.62 miles
Max Width 50 yards
Injuries/Deaths 0/0

Summary:

Based on a National Weather Service damage survey done in conjunction with the Newburgh Fire Department, it has been determined that an EF0 tornado went through the Balmville neighborhood of Newburgh. Thr tornado orginated near Albany Post Road, to the south of the intersection with Bennet Road. The tornado lifted near the Hudson River behind the house at 56 Susan Drive. The tornado sheared off trees aroudn half way to the ground, pealed the bark off of one tree, and caused localized convergence of uprooted trees. It also caused leaves to be plastered on three sides of houses in the Susan Drive area. Based on this, the tornado was classified as an EF0 tornado with an estimated maximum wind speed of around 75 mph.

The tornado was embedded in a much larger area of straight line winds, which impacted the northern portion of the tow of Newburgh. These winds sheared off and uprooted trees, all lying in one direction. Wind speeds for these straight line winds were estimated at 80 to 90 mph.

Radar Velocity

Track Map 

 

 

Tornado - Kent, NY
PUTNAM COUNTY

Date May 15, 2018
Time (Local) 4:29 pm
EF Rating 2
Est. Peak Winds 115 mph
Path Length 1.14 miles
Max Width 100 yards
Injuries/Deaths 0/0

Summary:

Based on a National Weather Service storm survey, done in conjunction with the Putnam County Bureau of Emergency Services, it has been determined that an EF2 tornado with estimated peak winds of 115 mph moved through Kent, New York. The tornado originated near apartments at 1213 New York Route 52. It continued down NY State Route 52, damaging some roofs in the strip mall at the intersection of Route 52 and Farmers Mill Road, where it also knocked down portinos of the parapet above the Dunkin Donuts, and snapped and uprooted some trees. The tornado lifted near 72 Bowen Road in Kent. The most extensive damage was along Schyukill Court, where dozens of of large trees were uprooted and snapped, with a convergent pattern to most of the fallen trees. Based on this damage, the tornado was classified as an EF2, with estimated maximum winds of around 115 mph.

Radar Velocity

Track Map 

 

 

Tornado - Patterson, NY
PUTNAM COUNTY

Date May 15, 2018
Time (Local) 4:32 pm
EF Rating 1
Est. Peak Winds 100 mph
Path Length 2.89 miles
Max Width 75 yards
Injuries/Deaths 0/0

Summary:

Based on a National Weather Service storm survey, done in conjunction with the Putnam County Bureau of Emergency Services, is been determined that an EF1 tornado with estimated peak winds of 100 mph moved along a discontinuous path through Patterson, New York. The tornado originated along NY State Route 22, north of the intersection with Haviland Hollow Road, near the Watchtower Educational Center. The tornado then tracked along East Branch Road, turned left toward Putnam Lake, then lifted near the intersection of East Branch Road and Fairfield Drive. The storm snapped multiple trees along its path, not all of it continuous. The most extensive damage occurred in the general vicinity of 706 East Branch Road, where multiple trees were uprooted and snapped, lying in a convergent pattern, and where leaves were splattered on three sides of the house. Based on this information, the tornado was classified as an EF1 with estimated maximum winds of 100 mph.

Radar Velocity

Track Map 

 

 

Tornado - Southbury, CT to Oxford, CT
NEW HAVEN COUNTY

Date May 15, 2018
Time (Local) 4:53 pm
EF Rating 1
Est. Peak Winds 100 mph
Path Length 4.2 miles
Max Width 400 yards
Injuries/Deaths 0/0

Summary:

A tornado touched down near the intersection of Route 67 and Burma Road in Southbury and continued southeast into Oxford, leaving a path of numerous uprooted and snapped pine trees and some hardwood trees. The tornado lifted after damaging the roof of the Great Oak School in Oxford. Based on this information, this tornado is classified as an EF1 with maximum winds of 100 mph.

Radar Velocity

Track Map 

 

Tornado - Beacon Falls, CT to Hamden, CT
NEW HAVEN COUNTY

Date May 15, 2018
Time (Local) 5:01 pm
EF Rating 1
Est. Peak Winds 110 mph
Path Length 9.5 miles
Max Width 600 yards
Injuries/Deaths 0/0

Summary:

A tornado touched down near the intersection of Bethany Road and Bonna Street in Beacon Falls, destroyed a barn in Bethany, and continued on to just west of Sleeping Giant State Park in Hamden, where the damage broadened and became more straight-line in nature. The tornado left a path of numerous uprooted and snapped hardwood and pine trees. Based on this information, this tornado is classified as an EF1 with maximum winds of 110 mph.

Radar Velocity

Track Map 

 

 

EFScale 
Macroburst - Kent, NY
Putnam County
Date May 15, 2018
Time (Local) 4:29 pm
Est. Peak Winds 80-90 mph
Path Length   4 miles
Max Width   3 miles
Injuries/Deaths   0/0 
Summary:

Based on a National Weather Service storm survey, done in conjunction with the Putnam County Bureau of Emergency Services, it has been determined that a macroburst with maximum wind speeds of 80-90 mph impacted a swath of about three miles in width and four miles in length in the Terry Hill area around 429 pm.

For reference... A macroburst is a thunderstorm downdraft affecting an area at least 2.5 miles wide with peak winds lasting 5 to 20 minutes. The macroburst is a straight-line wind phenomena not associated with rotation...used to differentiate from tornadic winds.

Macrobursts can produce as much if not more damage as tornadoes due to the size and scope of a macroburst.

 

Macroburst - New Fairfield, CT to Brookfield, CT
Fairfield County
Date May 15, 2018
Time (Local) 4:37 pm
Est. Peak Winds 110 mph
Path Length   9 miles
Max Width   3 miles
Injuries/Deaths   1/2 
Summary:

Based on a National Weather Service storm survey, done in conjunction with the Connecticut State Police and the Town of Brookfield, it has been determined that a macroburst with maximum wind speeds of 110 mph impacted a swath about 3 miles in width and 9 miles in length from New Fairfield through Brookfield from about 437 PM EDT to 453 PM EDT. Numerous hardwood and pine trees were uprooted and snapped, with the most significant surveyed damage in Brookfield from the Candlewood Shores area, extending east across Route 7, to just north of the Senior High School, to Lake Lillinonah. Falling trees caused two fatalities, one in New Fairfield and another in Brookfield, and one serious injury via wind damage to the roof of a baseball dugout.


For reference... A macroburst is a thunderstorm downdraft affecting an area at least 2.5 miles wide with peak winds lasting 5 to 20 minutes. The macroburst is a straight-line wind phenomena not associated with rotation...used to differentiate from tornadic winds.

Macrobursts can produce as much if not more damage as tornadoes due to the size and scope of a macroburst.
 
Storm Reports

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NEW YORK NY
738 AM EDT THU MAY 17 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0400 PM     TSTM WND DMG     NEWBURGH                41.50N  74.02W
05/15/2018                   ORANGE             NY   TRAINED SPOTTER 

            60 MPH WIND GUST. TREE LIMBS DOWN. 

0410 PM     TSTM WND DMG     WASHINGTONVILLE         41.43N  74.16W
05/15/2018                   ORANGE             NY   PUBLIC          

            TREES SNAPPED OR UPROOTED. 

0412 PM     TSTM WND DMG     NEWBURGH                41.50N  74.02W
05/15/2018                   ORANGE             NY   TRAINED SPOTTER 

            ROOF COVER BLOWN OFF AN ABANDONED BUILDING ON CARPENTER 
            AVENUE NEAR BROADWAY WITH BRICKS ON THE GROUND. PARTIAL 
            BUILDING COLLAPSE. 

0412 PM     TSTM WND DMG     NEWBURGH                41.50N  74.02W
05/15/2018                   ORANGE             NY   TRAINED SPOTTER 

            PARTIAL BUILDING COLLAPSE AT SOUTH ROBINSON AVENUE AND 
            BROADWAY. 

0412 PM     TSTM WND DMG     NEWBURGH                41.50N  74.02W
05/15/2018                   ORANGE             NY   TRAINED SPOTTER 

            PARTIAL BUILDING COLLAPSE ON LIBERTY STREET BETWEEN 
            WASHINGTON STREET AND ANN STREET. 

0412 PM     TSTM WND DMG     NEWBURGH                41.50N  74.02W
05/15/2018                   ORANGE             NY   TRAINED SPOTTER 

            ROOF BLOWN OFF BUILDING ON LIBERTY STREET BETWEEN 
            WASHINGTON STREET AND ANN STREET. 

0412 PM     TSTM WND DMG     NEWBURGH                41.50N  74.02W
05/15/2018                   ORANGE             NY   TRAINED SPOTTER 

            ROOF AND SIDING BLOWN OFF A BUILDING ON WASHINGTON 
            STREET. 

0416 PM     TSTM WND GST     NEW WINDSOR             41.47N  74.04W
05/15/2018  M58 MPH          ORANGE             NY   MESONET         

0416 PM     TSTM WND DMG     WASHINGTONVILLE         41.43N  74.16W
05/15/2018                   ORANGE             NY   SOCIAL MEDIA    

            TREES DOWN AROUND TOWN. 

0416 PM     TORNADO          NEWBURGH                41.50N  74.02W
05/15/2018                   ORANGE             NY   NWS STORM SURVEY

            STORM SURVEY TEAM CONFIRMED AN EF0 TORNADO WITH 
            ESTIMATED PEAK WINDS OF 85 MPH AND A PATH LENGTH OF 674 
            YARDS. 

0416 PM     TSTM WND DMG     NEWBURGH                41.50N  74.02W
05/15/2018                   ORANGE             NY   NWS STORM SURVEY

            STORM SURVEY TEAM CONFIRMED STRAIGHT LINE WIND DAMAGE 
            IN NEWBURGH WITH NUMEROUS TREES AND WIRES DOWN. MAXIMUM 
            WIND SPEEDS WERE 90-100 MPH. 

0417 PM     TSTM WND DMG     1 SSW NEWBURGH          41.49N  74.03W
05/15/2018                   ORANGE             NY   TRAINED SPOTTER 

            SHINGLES AND TAR PAPER BLOWN OFF THE ROOFS OF NUMEROUS 
            HOUSES ON MERILINE AVENUE. IN ADDITION...NUMEROUS TREES 
            DOWN ON HOUSES AND CARS. 

0417 PM     TSTM WND DMG     1 NNE NEW WINDSOR       41.48N  74.02W
05/15/2018                   ORANGE             NY   TRAINED SPOTTER 

            LARGE TREE UPROOTED ON QUASSAICK AVENUE 

0417 PM     TSTM WND DMG     WINDSOR CREST           41.48N  74.05W
05/15/2018                   ORANGE             NY   TRAINED SPOTTER 

            3 FT DIAMETER TREE DOWN ON VAN ON UNION AVENUE IN NEW 
            WINDSOR. 

0417 PM     TSTM WND DMG     NEWBURGH                41.50N  74.02W
05/15/2018                   ORANGE             NY   BROADCAST MEDIA 

            *** 1 FATAL *** TREE FELL ON MOVING CAR ON ALBANY POST 
            RD KILLING THE WOMAN INSIDE. 

0425 PM     TSTM WND DMG     NEW WINDSOR             41.47N  74.03W
05/15/2018                   ORANGE             NY   TRAINED SPOTTER 

            NUMEROUS TREES DOWN IN NEW WINDSOR, SPECIFICALLY NEAR 
            JACKSON AVE. AND NY94 

0429 PM     TORNADO          KENT                    41.47N  73.88W
05/15/2018                   PUTNAM             NY   NWS STORM SURVEY

            STORM SURVEY TEAM CONFIRMED AN EF2 TORNADO WITH 
            ESTIMATED PEAK WINDS OF 110 MPH. 

0429 PM     DOWNBURST        KENT                    41.47N  73.88W
05/15/2018  E80 MPH          PUTNAM             NY   NWS STORM SURVEY

            MACROBURST WITH WIND SPEEDS OF 80-90 MPH IMPACTED AN 
            AREA APPROXIMATELY THREE MILES WIDE AND FOUR MILES LONG 
            IN THE CHERRY HILL AREA AROUND THE INTERSECTION OF ROUTE 
            311 AND ROUTE 52. 

0432 PM     TORNADO          PATTERSON               41.51N  73.61W
05/15/2018                   PUTNAM             NY   NWS STORM SURVEY

            STORM SURVEY TEAM CONFIRMED AN EF1 TORNADO WITH 
            ESTIMATED PEAK WINDS OF 100 MPH AND A DISCONTINUOUS 75 
            YARD PATH. 

0435 PM     TSTM WND DMG     CARMEL                  41.41N  73.68W
05/15/2018                   PUTNAM             NY   SOCIAL MEDIA    

            TREES AND WIRES DOWN ALONG ROUTE 52 WITH AT LEAST ONE 
            POWER POLE SNAPPED. 

0435 PM     TSTM WND DMG     LAKE CARMEL             41.45N  73.67W
05/15/2018                   PUTNAM             NY   SOCIAL MEDIA    

            BANK SIGN DAMAGED AT THE PUTNAM COUNTY NATIONAL BANK ON 
            ROUTE 52. 

0435 PM     TSTM WND DMG     KENT HILLS              41.49N  73.68W
05/15/2018                   PUTNAM             NY   SOCIAL MEDIA    

            ROOF BLOWN OFF A DUNKIN DONUTS ON ROUTE 52 NEAR FARMERS 
            MILLS ROAD. 

0436 PM     TSTM WND DMG     KENT CORNERS            41.47N  73.65W
05/15/2018                   PUTNAM             NY   SOCIAL MEDIA    

            TREES DOWN ON WOODSTOCK ROAD 

0436 PM     TSTM WND DMG     CHESTNUT RIDGE          41.08N  74.05W
05/15/2018                   ROCKLAND           NY   BROADCAST MEDIA 

            *** 1 FATAL *** TREE FELL ON CAR ON RED SCHOOLHOUSE 
            ROAD KILLING 80 YEAR OLD WOMAN INSIDE. 

0438 PM     TSTM WND GST     CROTON-ON-HUDSON        41.20N  73.89W
05/15/2018  M63 MPH          WESTCHESTER        NY   WXFLOW          

0440 PM     TSTM WND DMG     FORT CLINTON            41.32N  73.99W
05/15/2018                   ORANGE             NY   TRAINED SPOTTER 

            5 INCH TREE ON CAR IN BEAR MOUNTAIN STATE PARK ON 9W 
            NEAR IONA CIRCLE. 

0440 PM     TSTM WND GST     BREWSTER                41.40N  73.62W
05/15/2018  M65 MPH          PUTNAM             NY   MESONET         

0440 PM     TSTM WND DMG     NEW WINDSOR             41.47N  74.03W
05/15/2018                   ORANGE             NY   TRAINED SPOTTER 

            TREE ON CAR WITH PEOPLE TRAPPED ON ROUTE 300 NEAR NEW 
            WINDSOR. CORRECTED FOR LOCATION 

0440 PM     TSTM WND DMG     1 SSW NEWBURGH          41.49N  74.03W
05/15/2018                   ORANGE             NY   BROADCAST MEDIA 

            *** 1 FATAL *** TREE DOWN ON ROBINSON AVENUE/9W NEAR 
            THE NEW WINDSOR TOWN LINE CRUSHING A CAR. AN 11 YEAR OLD 
            GIRL INSIDE THE CAR WAS KILLED. 

0440 PM     TSTM WND DMG     PARK RIDGE              41.04N  74.04W
05/15/2018                   BERGEN             NJ   TRAINED SPOTTER 

            LARGE TREE KNOCKED DOWN. 

0441 PM     DOWNBURST        NORTH SALEM             41.33N  73.57W
05/15/2018  E80 MPH          WESTCHESTER        NY   NWS STORM SURVEY

            MICROBURST RESULTING IN A TRACK OF DOWNED TREES OF 250 
            YARDS ALONG RT 22. 

0442 PM     TSTM WND DMG     WEST MILFORD            41.11N  74.40W
05/15/2018                   PASSAIC            NJ   TRAINED SPOTTER 

            TREE DOWN ON CAR ON RT 23 

0443 PM     TSTM WND GST     TAPPAN ZEE LIGHT 14     41.14N  73.88W
05/15/2018  M67 MPH          WESTCHESTER        NY   WXFLOW          

0443 PM     TSTM WND DMG     DANBURY                 41.40N  73.47W
05/15/2018                   FAIRFIELD          CT   BROADCAST MEDIA 

            *** 1 FATAL *** TREE FELL ON TRUCK IN CANDLEWOOD LAKE 
            AREA KILLING A MAN 

0443 PM     TSTM WND DMG     DANBURY                 41.40N  73.47W
05/15/2018                   FAIRFIELD          CT   BROADCAST MEDIA 

            *** 1 INJ *** A DUGOUT ROOF COLLAPSED ON THE BASEBALL 
            FIELD OF HENRY ABBOTT TECHNICAL HIGH SCHOOL RESULTING IN 
            ONE SERIOUS INJURY. 

0444 PM     TSTM WND GST     CALDWELL                40.88N  74.28W
05/15/2018  M66 MPH          ESSEX              NJ   ASOS            

0444 PM     DOWNBURST        BROOKFIELD              41.48N  73.41W
05/15/2018  E100 MPH         FAIRFIELD          CT   NWS STORM SURVEY

            MACROBURST WITH WIND SPEEDS OF 100-110 MPH IMPACTED AN 
            AREA APPROXIMATELY TWO AND A HALF MILES WIDE AND AT 
            LEAST FIVE MILES LONG. 

0445 PM     TSTM WND DMG     BROOKFIELD              41.48N  73.41W
05/15/2018                   FAIRFIELD          CT   PUBLIC          

            HANOVER BRIDGE ROAD, MANY LARGE TREES DOWN, FENCES 
            BLOWN OUT. 

0445 PM     TSTM WND DMG     NEW FAIRFIELD           41.47N  73.49W
05/15/2018                   FAIRFIELD          CT   SOCIAL MEDIA    

            NUMEROUS TREES DOWN NEAR THE INTERSECTION OF ROUTE 37 
            AND ROUTE 39. ALSO NICKEL SIZED HAIL. 

0445 PM     TSTM WND DMG     CALDWELL                40.84N  74.28W
05/15/2018                   ESSEX              NJ   PUBLIC          

            LARGE TREES DOWN 

0445 PM     TSTM WND DMG     NEW FAIRFIELD           41.47N  73.49W
05/15/2018                   FAIRFIELD          CT   BROADCAST MEDIA 

            *** 1 FATAL *** TREE FELL ON A CAR ON BRUSH HILL ROAD, 
            KILLING ONE PERSON INSIDE. 

0447 PM     TSTM WND DMG     NYACK                   41.10N  73.92W
05/15/2018                   ROCKLAND           NY   TRAINED SPOTTER 

            TREES DOWN ON WIRES ON NORTH BROADWAY. 

0447 PM     TSTM WND DMG     1 NNW CANDLEWOOD SHORES 41.49N  73.45W
05/15/2018                   FAIRFIELD          CT   TRAINED SPOTTER 

            TREES DOWN NEAR CANDLEWOOD LAKE AND SQUANTZ POND NEAR 
            THE SHERMAN LINE. ESTIMATED 70 MPH WINDS. 

0449 PM     TSTM WND DMG     OAKLAND                 41.03N  74.24W
05/15/2018                   BERGEN             NJ   HAM RADIO       

            TREE ON A HOUSE ON PAGE DRIVE 

0450 PM     TSTM WND DMG     1 WSW WEST NYACK        41.08N  73.99W
05/15/2018                   ROCKLAND           NY   PUBLIC          

            TREE DOWN ON KREUZ DRIVE. 

0450 PM     TSTM WND DMG     1 NNW ROCKY GLEN        41.44N  73.28W
05/15/2018                   FAIRFIELD          CT   SOCIAL MEDIA    

            TREES DOWN ON FARM FIELD RIDGE ROAD IN SANDY HOOK. 

0452 PM     TSTM WND DMG     WEST ORANGE             40.79N  74.26W
05/15/2018                   ESSEX              NJ   PUBLIC          

            LARGE TREE DOWN ON MAPLE STREET. 

0453 PM     TSTM WND DMG     WASHINGTON TOWNSHIP     40.99N  74.06W
05/15/2018                   BERGEN             NJ   SOCIAL MEDIA    

            NUMEROUS TREES AND WIRES DOWN...INCLUDING ONE TREE DOWN 
            ON A HOUSE. 

0453 PM     TORNADO          SOUTHBURY               41.49N  73.22W
05/15/2018                   NEW HAVEN          CT   NWS STORM SURVEY

            STORM SURVEY TEAM CONFIRMED AN EF1 TORNADO BETWEEN 
            SOUTHBURY AND OXFORD WITH ESTIMATED PEAK WINDS OF 100 
            MPH, A 400 YARD PATH WIDTH AND A DISCONTINUOUS 4.2 MILE 
            PATH LENGTH. 

0455 PM     TSTM WND DMG     ALLENDALE               41.03N  74.13W
05/15/2018                   BERGEN             NJ   AMATEUR RADIO   

            SIGNIFICANT WINDSHIELD DAMAGE TO CAR FROM FLYING DEBRIS 
            ALONG RT 17 NEAR THE ALLENDALE EXIT. 

0456 PM     TSTM WND DMG     1 NE CEDARHURST         41.44N  73.20W
05/15/2018                   NEW HAVEN          CT   TRAINED SPOTTER 

            SEVERAL TREES DOWN ON COBBLER LANE IN SOUTHBURY. 

0457 PM     TSTM WND DMG     LITTLE FALLS            40.88N  74.22W
05/15/2018                   PASSAIC            NJ   SOCIAL MEDIA    

            TREES ON TRACKS ON NEW JERSEY TRANSIT'S MONTCLAIR 
            BOONTON LINE NEAR LITTLE FALLS. 

0458 PM     TSTM WND DMG     OAKLAND                 41.03N  74.24W
05/15/2018                   BERGEN             NJ   HAM RADIO       

            TREE ON HOUSE ON WALNUT ST 

0459 PM     TSTM WND DMG     OAKLAND                 41.03N  74.24W
05/15/2018                   BERGEN             NJ   HAM RADIO       

            TREE ON HOUSE ON ANDREW AVE. 

0500 PM     TSTM WND GST     HARRISON                40.74N  74.15W
05/15/2018  M65 MPH          HUDSON             NJ   TRAINED SPOTTER 

            RED BULL ARENA. 100 FT ELEVATION. 

0500 PM     TSTM WND DMG     1 ENE SEYMOUR           41.40N  73.05W
05/15/2018                   NEW HAVEN          CT   TRAINED SPOTTER 

            TREES DOWN ON TOP OF SHED. NUMEROUS OTHER TREES DOWN 
            THROUGHOUT NEIGHBORHOOD. 

0500 PM     TSTM WND DMG     PARAMUS                 40.95N  74.07W
05/15/2018                   BERGEN             NJ   TRAINED SPOTTER 

            TREE DOWN IN FRONT OF BERGEN CATHOLIC HIGH SCHOOL ON 
            ORADELLE ROAD. ROAD COMPLETELY BLOCKED. 

0500 PM     TSTM WND DMG     NEWTOWN                 41.41N  73.32W
05/15/2018                   FAIRFIELD          CT   SOCIAL MEDIA    

            NUMEROUS ROADS CLOSED DUE TO DOWNED TREES IN THE 
            NEWTOWN/MONROE AREA. 

0500 PM     TSTM WND DMG     OXFORD                  41.42N  73.11W
05/15/2018                   NEW HAVEN          CT   SOCIAL MEDIA    

            TREE INTO HOUSE AND NUMEROUS OTHER TREES DOWN ON ROUTE 
            67. 

0500 PM     TSTM WND DMG     CLIFTON                 40.86N  74.16W
05/15/2018                   PASSAIC            NJ   SOCIAL MEDIA    

            NUMEROUS TREES DOWN AROUND TOWN. 

0502 PM     TSTM WND DMG     SEYMOUR                 41.41N  73.06W
05/15/2018                   NEW HAVEN          CT   TRAINED SPOTTER 

            NUMEROUS TREES DOWN AT JUPITER DRIVE AND EVENING STAR 
            DRIVE. 

0502 PM     TSTM WND DMG     2 SSW MIDDLEBURY        41.50N  73.14W
05/15/2018                   NEW HAVEN          CT   SOCIAL MEDIA    

            TREES AND WIRES DOWN ON BROOKSIDE DRIVE...INCLUDING A 
            TREE DOWN ON A CAR. 

0503 PM     TSTM WND DMG     1 SSE FORT CLINTON      41.30N  73.98W
05/15/2018                   ROCKLAND           NY   SOCIAL MEDIA    

            TREE FELL ON CAR ON 9W JUST NORTH OF IONA ISLAND IN 
            BEAR MOUNTAIN STATE PARK. NO INJURIES. 

0503 PM     TORNADO          BEACON FALLS            41.44N  73.04W
05/15/2018                   NEW HAVEN          CT   NWS STORM SURVEY

            STORM SURVEY TEAM CONFIRMED AN EF1 TORNADO BETWEEN 
            BEACON FALLS AND HAMDEN WITH ESTIMATED PEAK WINDS OF 110 
            MPH, A 600 YARD PATH WIDTH AND A DISCONTINUOUS 9.5 MILE 
            PATH LENGTH. 

0504 PM     TSTM WND DMG     PARAMUS                 40.95N  74.07W
05/15/2018                   BERGEN             NJ   TRAINED SPOTTER 

            TREE DOWN BLOCKING ROAD FULLY ON PASCACK ROAD NEAR 
            ORADELL AVENUE INTERSECTION. 

0505 PM     TSTM WND DMG     IRVINGTON               41.04N  73.87W
05/15/2018                   WESTCHESTER        NY   TRAINED SPOTTER 

            BROADWAY ROAD NEAR ROUTE 9, LARGE TREE LIMBS AND 
            BRANCHES DOWN. 

0506 PM     TSTM WND DMG     1 NE PASSAIC            40.86N  74.12W
05/15/2018                   PASSAIC            NJ   BROADCAST MEDIA 

            ROOF BLOWN OFF A NURSERY SCHOOL AT THE INTERSECTION OF 
            JEFFERSON STREET AND COLUMBIA AVENUE. NO INJURIES. 

0507 PM     HAIL             TRUMBULL                41.26N  73.21W
05/15/2018  M1.00 INCH       FAIRFIELD          CT   TRAINED SPOTTER 

0507 PM     TSTM WND DMG     ANSONIA                 41.34N  73.07W
05/15/2018                   NEW HAVEN          CT   PUBLIC          

            POWER LINES DOWN, 1.00 INCH HAIL. 

0508 PM     TSTM WND DMG     LYNDHURST               40.80N  74.11W
05/15/2018                   BERGEN             NJ   AMATEUR RADIO   

            SEVERAL TREES DOWN ALONG ORIENT WAY. 

0510 PM     TSTM WND DMG     1 ENE CONGERS           41.15N  73.93W
05/15/2018                   ROCKLAND           NY   SOCIAL MEDIA    

            TREE DOWN BLOCKING BOTH LANES OF ROUTE 303 JUST SOUTH 
            OF RANDI LANE. 

0511 PM     TSTM WND GST     LARCHMONT HARBOR        40.93N  73.73W
05/15/2018  M60 MPH          WESTCHESTER        NY   WXFLOW          

0511 PM     TSTM WND DMG     NORTH ARLINGTON         40.79N  74.13W
05/15/2018                   BERGEN             NJ   CO-OP OBSERVER  

            NUMEROUS TREES DOWN IN NORTH ARLINGTON 

0511 PM     MARINE TSTM WIND LARCHMONT HARBOR        40.93N  73.73W
05/15/2018  M60 MPH          WESTCHESTER        NY   WXFLOW          

0512 PM     TSTM WND DMG     HAMPTONBURGH            41.44N  74.26W
05/15/2018                   ORANGE             NY   TRAINED SPOTTER 

            TREE DOWN BLOCKING ROAD AT SARAH WELLS TRAIL AND 
            HAMPTONBURGH ROAD. 

0512 PM     TSTM WND DMG     1 SW BALMVILLE          41.52N  74.03W
05/15/2018                   ORANGE             NY   TRAINED SPOTTER 

            TOPS OF TREES TWISTED AND BROKEN OFF ALONG I-84 
            WESTBOUND BETWEEN EXITS 8 AND 10. TREE DEBRIS IN ROAD 
            BLOCKING ONE AND A HALF LANES. 

0512 PM     TSTM WND DMG     NEWBURGH                41.50N  74.02W
05/15/2018                   ORANGE             NY   TRAINED SPOTTER 

            TREES DOWN WITH CARS AND BUILDINGS DAMAGED ON FIRST 
            STREET BETWEEN LUTHERAN STREET AND CITY TERRACE. 

0512 PM     TSTM WND DMG     1 N MEADOWBROOK         41.45N  74.08W
05/15/2018                   ORANGE             NY   TRAINED SPOTTER 

            THREE 10 FT FENCE SECTIONS DOWN ON MOUNT AIRY ROAD NEAR 
            KRISTI BABCOCK MEMORIAL PARK. TREE ALSO DOWN IN 
            NEIGHBOR'S YARD. 

0512 PM     TSTM WND DMG     WALDEN                  41.56N  74.18W
05/15/2018                   ORANGE             NY   TRAINED SPOTTER 

            THREE 60-70 FT TALL TREES DOWN ON SHERMAN AVENUE 
            BETWEEN UNION STREET AND EAST AVENUE. 

0512 PM     TSTM WND DMG     1 SSW DEACONWOOD        41.49N  72.93W
05/15/2018                   NEW HAVEN          CT   SOCIAL MEDIA    

            MULTIPLE LARGE TREES DOWN IN THE DEACONWOOD 
            NEIGHBORHOOD ALONG SORGHUM MILL DRIVE. 

0514 PM     TSTM WND DMG     WASHINGTON TOWNSHIP     40.99N  74.06W
05/15/2018                   BERGEN             NJ   TRAINED SPOTTER 

            *** 1 INJ *** TREE FELL AND INJURED A PERSON ON 
            INTERSECTION OF HICKORY STREET AND WILLOW STREET 

0514 PM     TSTM WND DMG     1 ESE MOUNT CARMEL      41.42N  72.90W
05/15/2018                   NEW HAVEN          CT   SOCIAL MEDIA    

            NUMEROUS TREES AND BRANCHES DOWN ON THE QUINNIPIAC 
            UNIVERSITY CAMPUS. TWO CARS ALSO DAMAGED. 

0514 PM     TSTM WND DMG     BETHANY                 41.42N  73.00W
05/15/2018                   NEW HAVEN          CT   BROADCAST MEDIA 

            TWO BARNS DESTROYED 

0515 PM     TSTM WND DMG     1 NNE HARRISON          40.75N  74.15W
05/15/2018                   HUDSON             NJ   TRAINED SPOTTER 

            *** 1 INJ *** FALLEN TREE LIMB RESULTED IN ONE INJURY 
            IN WEST HUDSON PARK. 

0515 PM     TSTM WND DMG     1 WSW SILVERMINE        41.14N  73.46W
05/15/2018                   FAIRFIELD          CT   TRAINED SPOTTER 

            TREE DOWN ON POWER LINES AT THE INTERSECTION OF CARTER 
            STREET AND BUTTERY ROAD. 

0515 PM     TSTM WND DMG     HAWTHORNE               40.96N  74.16W
05/15/2018                   PASSAIC            NJ   AMATEUR RADIO   

            WIRES DOWN ON LAFAYETTE AVENUE, WITH PARTIAL CLOSURE. 

0515 PM     TSTM WND DMG     CHESHIRE                41.50N  72.90W
05/15/2018                   NEW HAVEN          CT   BROADCAST MEDIA 

            *** 1 INJ *** LARGE TREE FELL ON HOUSE, INJURING ONE 
            PERSON. 

0516 PM     TSTM WND DMG     HAMDEN                  41.37N  72.90W
05/15/2018                   NEW HAVEN          CT   SOCIAL MEDIA    

            NUMEROUS TREES AND WIRES DOWN AROUND TOWN. ROADS 
            IMPASSABLE. 

0518 PM     TSTM WND GST     BAYVILLE                40.90N  73.63W
05/15/2018  M68 MPH          NASSAU             NY   WXFLOW          

            WINDS AT 45 FT 

0518 PM     TSTM WND GST     KINGS POINT             40.82N  73.74W
05/15/2018  M63 MPH          NASSAU             NY   WXFLOW          

0518 PM     TSTM WND DMG     1 NE ORANGE             41.29N  73.01W
05/15/2018                   NEW HAVEN          CT   BROADCAST MEDIA 

            LARGE TREE DOWN AT THE RACEBROOK COUNTRY CLUB. 

0518 PM     MARINE TSTM WIND BAYVILLE                40.90N  73.63W
05/15/2018  M68 MPH          NASSAU             NY   WXFLOW          

0520 PM     TSTM WND DMG     MANHATTAN               40.78N  73.97W
05/15/2018                   NEW YORK           NY   AMATEUR RADIO   

            TREES DOWN ALONG THE HUDSON RIVER DRIVE AT 158TH 
            STREET. BOAT BASIN AREA LANES BLOCKED. 

0520 PM     TSTM WND DMG     1 NNW CRANFORD          40.67N  74.31W
05/15/2018                   UNION              NJ   TRAINED SPOTTER 

            *** 1 INJ *** TREE LIMBS FELL AND INJURED A 14 YEAR OLD 
            BOY IN NOMAHEGAN PARK. 

0520 PM     TSTM WND DMG     1 WSW WEST SHORE        41.24N  72.99W
05/15/2018                   NEW HAVEN          CT   BROADCAST MEDIA 

            TREES INTO TWO HOMES ON DANENBERG PLACE IN WEST HAVEN. 

0521 PM     TSTM WND DMG     MANHATTAN               40.78N  73.97W
05/15/2018                   NEW YORK           NY   AMATEUR RADIO   

            SCAFFOLD COLLAPSE AND FLYING DEBRIS (CORRUGATED METAL 
            PANELS) FROM BUILDING UNDER CONSTRUCTION ON 133RD STREET 
            AND BROADWAY. SEVERAL INJURIES REPORTED. 

0524 PM     TSTM WND DMG     NEWBURGH                41.50N  74.02W
05/15/2018                   ORANGE             NY   TRAINED SPOTTER 

            ROOF OFF OF THE HOTEL IMPERIAL AT BROADWAY AND ROBINSON 
            AVENUE 

0525 PM     TSTM WND DMG     GLEN ROCK               40.96N  74.13W
05/15/2018                   BERGEN             NJ   AMATEUR RADIO   

            TREES AND WIRES DOWN ACROSS STONEFIELD AVENUE NEAR 
            HARRISTOWN ROAD. POWER OUTAGE IN AREA. 

0525 PM     TSTM WND DMG     LAKE PURDY              41.33N  73.67W
05/15/2018                   WESTCHESTER        NY   SOCIAL MEDIA    

            ROUTE 116 CLOSED DUE TO DOWNED TREES. TREES ALSO DOWN 
            ON ROUTE 202. 

0525 PM     TSTM WND DMG     UPPER WEST SIDE         40.79N  73.98W
05/15/2018                   NEW YORK           NY   SOCIAL MEDIA    

            TREE DOWN. 

0525 PM     TSTM WND DMG     KEW GARDENS HILLS       40.73N  73.82W
05/15/2018                   QUEENS             NY   SOCIAL MEDIA    

            MULTIPLE TREES DOWN ON CARS ON 70TH AVENUE BETWEEN MAIN 
            STREET AND 147TH STREET. 

0525 PM     TSTM WND DMG     CENTRAL PARK            40.80N  73.96W
05/15/2018                   NEW YORK           NY   BROADCAST MEDIA 

            LARGE TREE LIMB DOWN 

0527 PM     TSTM WND DMG     1 NW WESTPORT           41.13N  73.36W
05/15/2018                   FAIRFIELD          CT   SOCIAL MEDIA    

            TREES DOWN ON WIRES ON COMPO ROAD SOUTH. 

0527 PM     TSTM WND DMG     2 N WESTPORT            41.15N  73.34W
05/15/2018                   FAIRFIELD          CT   SOCIAL MEDIA    

            WIRES DOWN ON ROSEVILLE ROAD. 

0527 PM     TSTM WND DMG     1 N WESTPORT            41.14N  73.35W
05/15/2018                   FAIRFIELD          CT   SOCIAL MEDIA    

            TREE DOWN ON CARS AT THE TRADER JOES ON ROUTE 1. 

0527 PM     TSTM WND DMG     MALBA                   40.79N  73.82W
05/15/2018                   QUEENS             NY   SOCIAL MEDIA    

            LARGE TREE BRANCH DOWN ON CAR AT 146TH STREET AND 13TH 
            AVENUE. WIRES ALSO DOWN. 

0527 PM     TSTM WND DMG     MALBA                   40.79N  73.82W
05/15/2018                   QUEENS             NY   SOCIAL MEDIA    

            TREE DOWN ON A HOUSE ON 146TH STREET AND 15TH AVENUE. 

0529 PM     TSTM WND DMG     1 WSW ASTORIA           40.78N  73.92W
05/15/2018                   QUEENS             NY   SOCIAL MEDIA    

            LARGE TREE LIMB DOWN ON 24TH AVENUE BETWEEN 21ST AND 
            23RD STREETS. 

0530 PM     TSTM WND GST     EATONS NECK             40.95N  73.40W
05/15/2018  M59 MPH          SUFFOLK            NY   WXFLOW          

            WINDS AT 71 FT 

0530 PM     TSTM WND DMG     HAWORTH                 40.96N  74.00W
05/15/2018                   BERGEN             NJ   TRAINED SPOTTER 

            WHITMAN STREET, LARGE TREE BRANCH, 12 INCHES IN 
            DIAMETER DOWN. 

0530 PM     MARINE TSTM WIND EATONS NECK             40.95N  73.40W
05/15/2018  M59 MPH          SUFFOLK            NY   WXFLOW          

0531 PM     TSTM WND DMG     1 WNW OAKBROOK          41.12N  74.02W
05/15/2018                   ROCKLAND           NY   SOCIAL MEDIA    

            TREE DOWN ON CONDO ON TREETOP CIRCLE. 

0531 PM     TSTM WND DMG     1 S GARDEN BAY MANOR    40.76N  73.89W
05/15/2018                   QUEENS             NY   TRAINED SPOTTER 

            SEVERAL LIMBS DOWN ON 77TH STREET BETWEEN 31ST AND 32ND 
            AVENUE IN JACKSON HEIGHTS. 

0532 PM     TSTM WND DMG     NEWTOWN                 41.41N  73.32W
05/15/2018                   FAIRFIELD          CT   COCORAHS        

            AT GELDING HILL ROAD, NUMEROUS TREES DOWN. POWER LINES 
            DOWN. 

0533 PM     TSTM WND DMG     1 SSW ATLANTIC TERMINAL 40.68N  73.97W
05/15/2018                   KINGS              NY   SOCIAL MEDIA    

            TREE DOWN ON PARKED CARS ON LINCOLN PLACE BETWEEN 7TH 
            AVENUE AND 8TH AVENUE IN PARK SLOPE. 

0533 PM     TSTM WND DMG     DURHAM                  41.47N  72.68W
05/15/2018                   MIDDLESEX          CT   BROADCAST MEDIA 

            NUMEROUS TREES DOWN 

0535 PM     TSTM WND DMG     1 SSW ENGLEWOOD         40.88N  73.98W
05/15/2018                   BERGEN             NJ   SOCIAL MEDIA    

            TREE LIMB DOWN ACROSS THE ON/OFF RAMP TO GRAND AVENUE 
            FROM ROUTE 4 EASTBOUND. 

0538 PM     TSTM WND DMG     MEADOW WINDS            41.53N  74.08W
05/15/2018                   ORANGE             NY   BROADCAST MEDIA 

            DOWNED TREE CLOSED I-87 SOUTHBOUND ABOUT 2 MILES BEFORE 
            THE NEWBURGH EXIT. 

0539 PM     TSTM WND DMG     1 ESE RIDGEWOOD         40.97N  74.10W
05/15/2018                   BERGEN             NJ   BROADCAST MEDIA 

            NUMEROUS TREES DOWN IN SADDLE RIVER PARK. DOG PARK 
            FENCE CRUSHED BY FALLING TREE. 

0539 PM     TSTM WND DMG     NORTH GUILFORD          41.37N  72.72W
05/15/2018                   NEW HAVEN          CT   BROADCAST MEDIA 

            NUMEROUS TREES DOWN 

0539 PM     TSTM WND DMG     MOODUS                  41.50N  72.45W
05/15/2018                   MIDDLESEX          CT   BROADCAST MEDIA 

            NUMEROUS TREES DOWN 

0545 PM     TSTM WND DMG     PORT WASHINGTON         40.83N  73.68W
05/15/2018                   NASSAU             NY   HAM RADIO       

            TREE DOWN ON SHORE RD AND MAIN ST 

0545 PM     TSTM WND DMG     FRANKLIN                41.60N  72.14W
05/15/2018                   NEW LONDON         CT   HAM RADIO       

            MULTIPLE TREES AND WIRES DOWN BETWEEN 545 AND 6PM ON 
            BALTIC RD, OLD ROUTE 87 AND POWDER HILL LANE 

0553 PM     MARINE TSTM WIND JONES BEACH CG          40.59N  73.56W
05/15/2018  M50 MPH          NASSAU             NY   WXFLOW          

0554 PM     TSTM WND DMG     CHESHIRE                41.50N  72.90W
05/15/2018                   NEW HAVEN          CT   TRAINED SPOTTER 

            TREES DOWN NEAR MOUNTAIN AND SORGHUM ROADS. 

0556 PM     MARINE TSTM WIND GREAT GULL ISLAND       41.20N  72.12W
05/15/2018  M55 MPH          SUFFOLK            NY   WXFLOW          

0559 PM     MARINE TSTM WIND WESTHAMPTON AIRPORT     40.84N  72.63W
05/15/2018  M43 MPH          SUFFOLK            NY   ASOS            

0600 PM     TSTM WND DMG     ASTORIA                 40.78N  73.91W
05/15/2018                   QUEENS             NY   PUBLIC          

            AT 24TH AVENUE AND 23RD STREET, TREE DOWN. 

0600 PM     TSTM WND DMG     WYCKOFF                 41.00N  74.17W
05/15/2018                   BERGEN             NJ   EMERGENCY MNGR  

            WYCKOFF AVENUE, LARGE TREE DOWNED ONTO A GARAGE. 

0600 PM     MARINE TSTM WIND SHINNECOCK              40.84N  72.48W
05/15/2018  M41 MPH          SUFFOLK            NY   WXFLOW          

0601 PM     TSTM WND DMG     CRANFORD JUNCTION       40.67N  74.29W
05/15/2018                   UNION              NJ   TRAINED SPOTTER 

            LARGE TREE AND WIRES DOWN ACROSS THE ROAD AT THE 
            INTERSECTION OF BIRCHWOOD AVENUE AND BLOOMINGDALE 
            AVENUE. 

0602 PM     MARINE TSTM WIND MECOX BAY               40.91N  72.32W
05/15/2018  M50 MPH          SUFFOLK            NY   WXFLOW          

0605 PM     MARINE TSTM WIND FISHERS ISLAND AIRPORT  41.25N  72.03W
05/15/2018  M42 MPH          SUFFOLK            NY   WXFLOW          

0606 PM     TSTM WND DMG     WATERBURY               41.56N  73.04W
05/15/2018                   NEW HAVEN          CT   SOCIAL MEDIA    

            TREES DOWN ON I-84 WEST JUST WEST OF WATERBURY. 

0608 PM     MARINE TSTM WIND MONTAUK AIRPORT         41.08N  71.92W
05/15/2018  M42 MPH          SUFFOLK            NY   ASOS            

0635 PM     TSTM WND DMG     PARK SLOPE              40.67N  73.99W
05/15/2018                   KINGS              NY   BROADCAST MEDIA 

            TREE ON CAR ON SAINT JOHN'S PLACE IN PARK SLOPE. 

0650 PM     TSTM WND DMG     OAKLAND                 41.03N  74.24W
05/15/2018                   BERGEN             NJ   HAM RADIO       

            TREE AND WIRES DOWN AND BLOCKING RAMAPO VALLEY ROAD. 
            ROAD CLOSED. 

0725 PM     TSTM WND DMG     WESTWOOD                40.99N  74.03W
05/15/2018                   BERGEN             NJ   TRAINED SPOTTER 

            BERKELEY AVE, LARGE TREE LIMBS AND POWER LINES DOWN. 

  
   
LSRMap  Legend

Storm Surveys

Public Information Statement...UPDATED
National Weather Service New York NY 
1003 PM EDT Thu May 17 2018

...NWS DAMAGE SURVEY FOR 05/15/2018 TORNADO AND 
MACROBURST/MICROBURST EVENTS...
...UPDATED TO INCLUDE HAMDEN-WALLINGFORD MICROBURST...


...EF0 TORNADO CONFIRMED IN NEWBURGH NY...

Start Location...Newburgh in Orange County NY
End Location...Newburgh in Orange County NY
Date...May 15 2018
Estimated Time...416 PM EDT
Maximum EF-Scale Rating...EF0
Estimated Maximum Wind Speed...75 mph 
Maximum Path Width...50 yards 
Path Length...0.62 miles 
Beginning Lat/Lon...41.5359/-74.0120 
Ending Lat/Lon...41.5361/-74.0001 

...SUMMARY...
Based on a National Weather Service damage survey done in
conjunction with the Newburgh Fire Department, it has been 
determined that an EF0 tornado went through the Balmville 
neighborhood of Newburgh. The tornado originated near Albany Post 
Road, to the south of the intersection with Bennet Road. The 
tornado lifted near the Hudson River behind the house at 56 Susan 
Drive. The tornado sheared off trees around half way to the 
ground, pealed the bark off of one tree, and caused localized 
convergence of uprooted trees. It also caused leaves to be 
plastered on three sides of houses in the Susan Drive area. Based 
on this, the tornado was classified as an EF0 tornado with an 
estimated maximum wind speed of around 75 mph.

The tornado was embedded in a much larger area of straight line 
winds, which impacted the northern portion of the town of
Newburgh. These winds sheared off and uprooted trees, all lying in
one direction. Wind speeds for these straight line winds were
estimated at 80 to 90 mph.

&&


...EF2 TORNADO CONFIRMED IN KENT NY...

Start Location...Kent in Putnam County NY
End Location...Kent in Putnam County NY
Date...May 15 2018
Estimated Time...429 PM EDT to 430 PM EDT
Maximum EF-Scale Rating...EF2
Estimated Maximum Wind Speed...115 mph 
Maximum Path Width...100 yards 
Path Length...1.14 miles 
Beginning Lat/Lon...41.5010/-73.6845 
Ending Lat/Lon...41.4878/-73.6713

...SUMMARY...
Based on a National Weather Service storm survey, done in
conjunction with the Putnam County Bureau of Emergency 
Services, is been determined that an EF2 tornado with estimated 
peak winds of 115 mph moved through Kent, New York. The tornado
originated near apartments at 1213 New York Route 52. It continued
down NY State Route 52, damaging some roofs in the strip mall at 
the intersection of Route 52 and Farmers Mill Road, where it also
knocked down portions of the parapet above the Dunkin Donuts, and
snapped and uprooted some trees. The tornado lifted near 72 Bowen
Road in Kent. The most extensive damage was along Schuykill 
Court, where dozens of large trees were uprooted and snapped, with
a convergent pattern to most of the fallen trees. Based on this 
damage, the tornado was classified as an EF2, with estimated 
maximum winds of around 115 mph. 

&&


...MACROBURST CONFIRMED IN KENT NY...

Location...Kent in Putnam County NY
Date...May 15 2018
Estimated Time...429 PM EDT
Estimated Maximum Wind Speed...80-90 mph
Maximum Path Width...3 miles 
Path Length...4 miles 

...SUMMARY...
Based on a National Weather Service storm survey, done in
conjunction with the Putnam County Bureau of Emergency Services,
it has been determined that a macroburst with maximum wind speeds
of 80-90 mph impacted a swath of about three miles in width and 
four miles in length in the Terry Hill area around 429 PM EDT. 

&&


...EF1 TORNADO CONFIRMED IN PATTERSON NY...

Start Location...Patterson in Putnam County NY
End Location...Patterson in Putnam County NY
Date...May 15 2018
Estimated Time...432 to 434 PM EDT 
Maximum EF-Scale Rating...EF1 
Estimated Maximum Wind Speed...100 mph 
Maximum Path Width...75 yards 
Path Length...2.89 miles 
Beginning Lat/Lon...41.4949/-73.5801 
Ending Lat/Lon...41.4585/-73.5526

...SUMMARY...
Based on a National Weather Service storm survey, done in
conjunction with the Putnam County Bureau of Emergency Services,
is been determined that an EF1 tornado with estimated peak winds 
of 100 mph moved along a discontinuous path through Patterson, New
York. The tornado originated along NY State Route 22, north of 
the intersection with Haviland Hollow Road, near the Watchtower 
Educational Center. The tornado then tracked along East Branch
Road, turned left toward Putnam Lake, then lifted near the 
intersection of East Branch Road and Fairfield Drive. The storm 
snapped multiple trees along its path, not all of it continuous. 
The most extensive damage occurred in the general vicinity of 706
East Branch Road, where multiple trees were uprooted and snapped,
lying in a convergent pattern, and where leaves were splattered on
three sides of the house. Based on this information, the tornado
was classified as an EF1 with estimated maximum winds of 100 mph. 

&&


...MACROBURST CONFIRMED FROM NEW FAIRFIELD CT TO BROOKFIELD CT...

Start Location...New Fairfield in Fairfield County CT
End Location...Brookfield in Fairfield County CT
Date...May 15 2018 
Estimated Time...437 PM EDT to 453 PM EDT 
Estimated Maximum Wind Speed...110 mph
Maximum Path Width...3 miles
Path Length...9 miles 
Beginning Lat/Lon...41.4651/-73.5347 
Ending Lat/Lon...41.4782/-73.3509
* Fatalities...2 
* Injuries...1

...SUMMARY...
Based on a National Weather Service storm survey, done in
conjunction with the Connecticut State Police and the Town of
Brookfield, it has been determined that a macroburst with maximum
wind speeds of 110 mph impacted a swath about 3 miles in width and
9 miles in length from New Fairfield through Brookfield from 
about 437 PM EDT to 453 PM EDT. Numerous hardwood and pine trees 
were uprooted and snapped, with the most significant surveyed 
damage in Brookfield from the Candlewood Shores area, extending 
east across Route 7, to just north of the Senior High School, to
Lake Lillinonah. Falling trees caused two fatalities, one 
in New Fairfield and another in Brookfield, and one serious injury
via wind damage to the roof of a baseball dugout. 

Macrobursts can cause as much damage as if not more than 
tornadoes due to their size and scope. 

&&


...MICROBURST CONFIRMED IN NORTH SALEM NY...

Location...North Salem in Westchester County NY
Date...May 15 2018
Estimated Time...441 PM EDT
Estimated Maximum Wind Speed...80 mph
Maximum Path Width...50 yards 
Path Length...0.5 miles 
Beginning Lat/Lon...41.3408/-73.6565 
Ending Lat/Lon...41.3340/-73.6542

...SUMMARY...
Based on a National Weather Service storm survey, it has been 
determined that a microburst with estimated winds gusting to 80 
mph occurred, resulting in approximately a half mile of downed 
trees. The damage began near the North Salem Firehouse along NY 
Route 22 and ended farther south, running in between the railroad 
tracks and the west side of Route 22. 

&&


...EF1 TORNADO CONFIRMED FROM SOUTHBURY CT TO OXFORD CT...

Start Location...Southbury in New Haven County CT
End Location...Oxford in New Haven County CT
Date...May 15 2018
Estimated Time...453 PM EDT to 501 PM EDT
Maximum EF-Scale Rating...EF1 
Estimated Maximum Wind Speed...100 mph 
Maximum Path Width...400 yards 
Path Length...4.2 miles
Beginning Lat/Lon...41.4662/-73.1689
Ending Lat/Lon...41.4212/-73.1403

...SUMMARY...
A tornado touched down near the intersection of Route 67 and 
Burma Road in Southbury and continued southeast into Oxford, 
leaving a path of numerous uprooted and snapped pine trees and 
some hardwood trees. The tornado lifted after damaging the roof of
the Great Oak School in Oxford. Based on this information, this 
tornado is classified as an EF1 with maximum winds of 100 mph. 

&&


...EF1 TORNADO CONFIRMED FROM BEACON FALLS CT TO HAMDEN CT...

Start Location...Beacon Falls in New Haven County NY
End Location...Hamden in New Haven County NY
Date...May 15 2018
Estimated Time...501 PM EDT to 509 PM EDT
Maximum EF-Scale Rating...EF1 
Estimated Maximum Wind Speed...110 mph 
Maximum Path Width...600 yards 
Path Length...9.5 miles
Beginning Lat/Lon...41.4385/-73.0466
Ending Lat/Lon...41.4268/-72.9150

...SUMMARY...
A tornado touched down near the intersection of Bethany Road and
Bonna Street in Beacon Falls, destroyed a barn in Bethany, and
continued on to just west of Sleeping Giant State Park in Hamden,
where the damage path broadened and became more straight-line in
nature. The tornado left a path of numerous uprooted and snapped 
hardwood and pine trees. Based on this information, this tornado 
is classified as an EF1 with maximum winds of 110 mph. 

&&


...MICROBURST CONFIRMED FROM HAMDEN CT TO WALLINGFORD CT...

Start Location...Hamden in New Haven County CT 
End Location...Wallingford in New Haven County CT 
Date...May 15 2018 
Estimated Time...501 PM EDT to 514 PM EDT 
Estimated Maximum Wind Speed...100 mph 
Maximum Path Width...880 yards 
Path Length...7.25 miles 
Beginning Lat/Lon...41.4268/-72.9150
Ending Lat/Lon...41.4196/-72.7723

...SUMMARY... 
Based on a National Weather Service storm survey, it has been 
determined that the earlier Beacon Falls-Hamden tornado transitioned 
to a microburst with maximum wind speeds of 100 mph, and impacted a 
swath about 1/2 mile in width and 7.25 miles in length, from near 
Sleeping Giant State Park and Quinnipiac University, across Wharton 
Brook State Park, to just east of Tyler Mill in Wallingford. 
Extensive damage occurred, with numerous pine trees uprooted and 
snapped. 

&&


The National Weather Service thanks emergency management, law
enforcement, broadcast media, Skywarn spotters, and reports from
the general public through social media, in formulating this
preliminary damage assessment.

For reference, the Enhanced Fujita Scale classifies tornadoes 
into the following categories:

EF0...Weak......65 to 85 mph
EF1...Weak......86 to 110 mph
EF2...Strong....111 to 135 mph
EF3...Strong....136 to 165 mph
EF4...Violent...166 to 200 mph
EF5...Violent...>200 mph

* The information in this statement is preliminary and subject to
change pending final review of the events and publication in NWS
Storm Data.

  
   

Reflectivity and Velocity Radar Loop 2:30 - 6:30 PM

RadarLoop  VelocityLoop 
Photo Photo Photo
New Fairfield, CT
(NWS New York damage survey)
Brookfield, CT
(NWS New York damage survey)
Brookfield, CT
(NWS New York damage survey)
Photo Photo Photo
Brookfield, CT
(NWS New York damage survey)
Hamden, CT
(NWS New York damage survey)
Hamden, CT
(NWS New York damage survey)