Albany, NY

Weather Forecast Office

Derecho October 7, 2020

Overview

A high-end severe weather event unfolded across the Northeast on Wednesday October 7, 2020 resulting in over 120 damaging wind reports across eastern New York and western New England. New York State Mesonet weather stations recorded widespread wind gusts between 50 and 60mph down the Mohawk Valley into the Greater Capital District with a 67mph wind gust measurement at the Albany International Airport. This ranks as the highest gust for the month of October with records dating back to 1987. Microbursts were confirmed by storm surveys in Root, Pittstown, and Johnsonville, NY, with estimated wind speeds of 80, 90, and 100 mph, respectively. In addition, a brief EF0 tornado occurred in Canajoharie, NY. This event was classified as a serial dercheo based on the 320 mile long damage swath and distribution of significant wind gusts (75 mph and above). The fact that trees across the region were fully leafed exacerbated the resulting wind damage and produced widespread power outages.

The culprit for this weather event was an intensifying low pressure system that progressed eastward from Ontario, Canada into northern New England. Its initially positively tilted parent trough became negatively tilted as it swung through the region. It directed an anomalously strong mid-level jet streak characterized by 500mb winds ranging between 70 and 100 kt into southern New England. After the system’s surface warm front moved northward through the region in the morning, the atmosphere became slightly unstable with mixed-layer cape values rising to around 250 – 500 J/kg. Given the very strong winds aloft, this produced a classic high shear low cape environment. As the main cold front and associated upper level cold pool moved into the area during the afternoon, mid-level lapses quickly steepened to 6.0 – 7.0 C/km resulting in a strong line of rapidly moving thunderstorms. These storms accelerated towards New England at about 50 – 70 mph and allowed the impressive winds aloft to mix down to the surface.

This ranks as one of the strongest severe weather events for 2020 with only the May 15, 2020 severe weather event leading to similar widespread wind damage. The National Weather Service in Albany would like to thank all our emergency managers and broadcast media partners as well our network of trained weather spotter and social media followers for assisting our data collection and survey storm efforts.

Photos & Video
Radar
Storm Reports
Environment

Photos & Video


Tree pushed onto a home in Albany, NY (Courtesy of Meteorologist Nick Bassill)	Billboard Bent Over Due to Strong Winds in Johnsville, NY (NWS Storm Survey)	Tree uprooted and toppled over in Pittstown, NY (NWS Storm Survey)	Multiple trees knocked down in a uniform direction due to straight line wind damage in Schaghticoke, NY (NWS Storm Survey)

Radar

Storm Reports

Storm Reports across the NWS Albany County Warning Area from October 7, 2020 (Map above courtesy of Iowa Environmental Mesonet).

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE ALBANY NY
649 PM EDT THU OCT 08 2020

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

0244 PM     TSTM WND DMG     INDIAN LAKE             43.78N  74.27W
10/07/2020                   HAMILTON           NY   DEPT OF HIGHWAYS

            DOWN UTLITY POLES AND WIRES BLOCKING ROUTE 30 

0244 PM     TSTM WND DMG     3 W SCHUYLER            43.11N  75.16W
10/07/2020                   HERKIMER           NY   TRAINED SPOTTER 

            TREE ON A TRAILER 

0255 PM     TSTM WND DMG     HERKIMER                43.03N  74.99W
10/07/2020                   HERKIMER           NY   PUBLIC          

            MULTIPLE TREES DOWN 

0255 PM     TSTM WND DMG     HERKIMER                43.03N  74.99W
10/07/2020                   HERKIMER           NY   TRAINED SPOTTER 

            TREE AND WIRES DOWN 

0259 PM     TSTM WND DMG     LITTLE FALLS            43.05N  74.86W
10/07/2020                   HERKIMER           NY   PUBLIC          

            MULTIPLE TREES DOWN IN LITTLE FALLS 

0259 PM     TSTM WND DMG     5 NE WEST WINFIELD      42.93N  75.11W
10/07/2020                   HERKIMER           NY   PUBLIC          

            TREE ON A HOUSE IN CEDARVILLE 

0305 PM     TSTM WND DMG     ST. JOHNSVILLE          43.00N  74.68W
10/07/2020                   MONTGOMERY         NY   TRAINED SPOTTER 

            MULTIPLE TREES DOWN ALONG ROUTE 5 IN NORTHERM 
            MONTGOMERY COUNTY. 

0314 PM     TORNADO          2 S FORT PLAIN          42.90N  74.63W
10/07/2020                   MONTGOMERY         NY   NWS EMPLOYEE    

            THE STORM SURVEY TEAM OBSERVED A NEARLY DESTROYED BARN 
            WITH METAL SIDING STREWN ABOUT THE PROPERTY. A TREE WAS 
            ALSO TOPPLED. THIS WAS THE ONLY DAMAGE. THE TORNADO WAS 
            VERY SHORT-LIVED. IT SPUN UP ON THE QLCS LINE MOVING 
            THROUGH THE AREA. 

0315 PM     TSTM WND DMG     JOHNSTOWN               43.01N  74.37W
10/07/2020                   FULTON             NY   SOCIAL MEDIA    

            TREE DOWN 

0315 PM     TSTM WND DMG     3 N SPRAKERS            42.94N  74.51W
10/07/2020                   MONTGOMERY         NY   DEPT OF HIGHWAYS

            RTE 10 CLOSED BETWEEN HICKORY HILL RD AND DILLENBECK RD 
            DUE TO DOWNED POWER POLE AND WIRES. 

0317 PM     TSTM WND DMG     2 S FORT PLAIN          42.90N  74.63W
10/07/2020                   MONTGOMERY         NY   EMERGENCY MNGR  

            BARN DAMAGED WITH DEBRIS CARRIED A FEW HUNDRED YARDS 
            AWAY 

0320 PM     TSTM WND DMG     TRIBES HILL             42.95N  74.30W
10/07/2020                   MONTGOMERY         NY   TRAINED SPOTTER 

            MULTIPLE LARGE BRANCHES DOWN NEAR TRIBES HILL AND SOME 
            SIDING RIPPED OFF OF A HOUSE. 

0320 PM     TSTM WND DMG     5 SE FONDA              42.90N  74.30W
10/07/2020                   MONTGOMERY         NY   TRAINED SPOTTER 

            NUMEROUS TREES DOWN WITH SOME SNAPS IN THE HAMLET OF 
            AURIESVILLE. 

0324 PM     TSTM WND DMG     1 ESE AMSTERDAM         42.94N  74.18W
10/07/2020                   MONTGOMERY         NY   SOCIAL MEDIA    

            TREES DOWN ON REID HILL 

0324 PM     TSTM WND DMG     3 WSW CHARLESTON FOUR C 42.79N  74.45W
10/07/2020                   MONTGOMERY         NY   NWS EMPLOYEE    

            THE STORM SURVEY TEAM OBSERVED SEVERAL HARDWOOD AND 
            SOFTWOOD TREES UPROOTED IN THE AREA. THE ORIENTATION OF 
            THE TREES WAS CONSISTENT WITH A STRAIGHT-LINE WIND 
            MICROBURST. DAMAGE WAS CONFINED TO THE TREES. 

0325 PM     TSTM WND DMG     AMSTERDAM               42.94N  74.19W
10/07/2020                   MONTGOMERY         NY   TRAINED SPOTTER 

            MANY TREES AND LARGE BRANCHES DOWN ACROSS AMSTERDAM. 

0325 PM     TSTM WND DMG     AMSTERDAM               42.94N  74.19W
10/07/2020                   MONTGOMERY         NY   TRAINED SPOTTER 

            MULTIPLE TREES SNAPPED AND LARGE BRANCHES DOWN 
            THROUGHOUT SHUTTLEWORTH PARK IN AMSTERDAM. 

0325 PM     TSTM WND DMG     AMSTERDAM               42.94N  74.19W
10/07/2020                   MONTGOMERY         NY   PUBLIC          

            TREE ON POWER LINES AT INTERSECTION OF CHARLES LN. AND 
            SANFORD AVE. TIME ESTIMATED. 

0328 PM     HAIL             HAGAMAN                 42.97N  74.15W
10/07/2020  M0.75 INCH       MONTGOMERY         NY   SOCIAL MEDIA    

0328 PM     TSTM WND DMG     1 WNW AMSTERDAM         42.95N  74.20W
10/07/2020                   MONTGOMERY         NY   TRAINED SPOTTER 

            TREE PARTIALLY FELL ON A HOUSE NEAR THE INTERSECTION OF 
            GUY PARK AVENUE AND NORTHAMPTON ROAD. 

0330 PM     TSTM WND DMG     2 SW AMSTERDAM          42.92N  74.21W
10/07/2020                   MONTGOMERY         NY   DEPT OF HIGHWAYS

            ALL LANES BLOCKED ON ROUTE 30 BETWEEN HARTLEY AND 
            BELLDONS ROAD DUE TO DOWNED TREES AND WIRES. 

0330 PM     TSTM WND DMG     1 SE WELLSVILLE         42.88N  74.27W
10/07/2020                   MONTGOMERY         NY   PUBLIC          

            TREE UPROOTED NEAR YOUNGS CORNER RD. AND MILL PT. RD. 
            TIME ESTIMATED. 

0334 PM     TSTM WND DMG     1 SE CHARLTON           42.92N  73.96W
10/07/2020                   SARATOGA           NY   PUBLIC          

            LARGE TREES DOWN 

0335 PM     TSTM WND DMG     CHARLTON                42.93N  73.97W
10/07/2020                   SARATOGA           NY   PUBLIC          

            NUMEROUS TREES DOWN IN CHARLTON. 

0335 PM     TSTM WND DMG     1 E CENTRAL BRIDGE      42.71N  74.31W
10/07/2020                   SCHOHARIE          NY   SOCIAL MEDIA    

            TREES DOWN ON WIRES ALONG ROUTE 7 BETWEEN ROUTE 30 AND 
            ZICHA RD 

0335 PM     TSTM WND DMG     2 SE CHARLTON           42.91N  73.94W
10/07/2020                   SARATOGA           NY   TRAINED SPOTTER 

            TREES ON MULTIPLE HOUSES ON IMPERIAL LA AND REDWOOD DR. 

0335 PM     TSTM WND DMG     2 WNW ROTTERDAM         42.79N  73.98W
10/07/2020                   SCHENECTADY        NY   DEPT OF HIGHWAYS

            ROUTE 337 BETWEEN ROUTE 159 AND PRINCETOWN ROAD CLOSED 
            DUE TO A DOWNED POLE AND WIRES. 

0340 PM     TSTM WND DMG     NISKAYUNA               42.82N  73.90W
10/07/2020                   SCHENECTADY        NY   TRAINED SPOTTER 

            NUMEROUS TREES AND LARGE BRANCHES DOWN. 

0340 PM     TSTM WND DMG     BALLSTON LAKE           42.91N  73.87W
10/07/2020                   SARATOGA           NY   METEOROLOGIST   

            MULTIPLE TREES DOWN BALLSTON LAKE 

0342 PM     TSTM WND DMG     2 ESE JONESVILLE        42.90N  73.79W
10/07/2020                   SARATOGA           NY   EMERGENCY MNGR  

            *** 1 FATAL *** PINE TREE FELL ON A CAR AND RESULTED IN 
            A FATALITY 

0343 PM     TSTM WND DMG     2 SE CLIFTON PARK       42.83N  73.78W
10/07/2020                   SARATOGA           NY   SOCIAL MEDIA    

            TREE AND WIRES DOWN IN CLIFTON PARK CENTER 

0343 PM     TSTM WND DMG     2 SE HAWTHORNE HILL     42.79N  73.85W
10/07/2020                   SCHENECTADY        NY   TRAINED SPOTTER 

            TREES DOWN ON ROSENDALE RD 

0344 PM     TSTM WND DMG     1 N NISKAYUNA           42.82N  73.90W
10/07/2020                   SCHENECTADY        NY   NWS EMPLOYEE    

            LARGE TREE DOWN ON BARCLAY PLACE AND DEAN STREET 

0345 PM     TSTM WND DMG     SCHENECTADY-GE PLOT     42.81N  73.92W
10/07/2020                   SCHENECTADY        NY   NWS EMPLOYEE    

            LARGE TREE FELL NEAR GE PLOT 

0346 PM     TSTM WND DMG     1 SW HAWTHORNE HILL     42.79N  73.89W
10/07/2020                   SCHENECTADY        NY   METEOROLOGIST   

            TREE DOWN ACROSS BALLTOWN ROAD NEAR BENTLEY ROAD 

0346 PM     TSTM WND DMG     1 ESE HAWTHORNE HILL    42.80N  73.86W
10/07/2020                   SCHENECTADY        NY   SOCIAL MEDIA    

            LARGE TREE DOWN NEAR LOCK 7 

0347 PM     TSTM WND DMG     1 S HAWTHORNE HILL      42.79N  73.88W
10/07/2020                   SCHENECTADY        NY   METEOROLOGIST   

            TREE DOWN ON ROSENDALE ROAD NEAR MAYFIELD ROAD BLOCKING 
            ONE LANE 

0348 PM     TSTM WND DMG     ROTTERDAM               42.78N  73.95W
10/07/2020                   SCHENECTADY        NY   AMATEUR RADIO   

            TREES HANGING ON POWER LINES AND TREES DOWN 

0348 PM     TSTM WND DMG     1 SE SCHENECTADY        42.80N  73.92W
10/07/2020                   SCHENECTADY        NY   AMATEUR RADIO   

            TREES ON A HOUSE AND POWER LINES IN SCHENECTADY 

0350 PM     TSTM WND DMG     2 WNW GUILDERLAND       42.71N  73.93W
10/07/2020                   ALBANY             NY   AMATEUR RADIO   

            MULTIPLE TREES DOWN NEAR CARMEN ROAD IN GUILDERLAND 

0352 PM     TSTM WND GST     ALBANY INTL AP          42.75N  73.80W
10/07/2020  M68 MPH          ALBANY             NY   ASOS            

0353 PM     TSTM WND DMG     LATHAM                  42.75N  73.75W
10/07/2020                   ALBANY             NY   PUBLIC          

            TREES DOWN NEAR MAXWELL DR. AND ASHLEY DR. TIME 
            ESTIMATED. 

0354 PM     TSTM WND DMG     COLONIE                 42.72N  73.83W
10/07/2020                   ALBANY             NY   SOCIAL MEDIA    

            MULTIPLE TREES DOWN ON FENCES NEAR BRICK LANE IN 
            COLONIE 

0354 PM     TSTM WND DMG     1 SE PITTSTOWN          42.86N  73.53W
10/07/2020                   RENSSELAER         NY   NWS EMPLOYEE    

            A MICROBURST ALONG CROLL ROAD, EAST OF TOMHANNOCK 
            RESERVOIR IN PITTSTOWN,PRODUCED SIGNIFICANT DAMAGE ON 
            OCT 7, 2020. THE MICROBURST MOVED IN A GENERAL WEST 
            SOUTHWEST TO EAST NORTHEAST DIRECTION. MOST OF THE 
            DAMAGE WAS TO TREES. DAMAGE INCLUDED NUMEROUS SOFTWOOD 
            TREES SHEARED OFF, A FEW HARDWOOD AND SOFTWOOD TREES 
            UPROOTED AND SOME MINOR DIRECT STRUCTURAL DAMAGE TO 
            HOMES INCLUDING SHINGLES BUCKLED UP FROM ONE HOME AND 
            FLASHING PEELED AWAY FROM ANOTHER HOME. 

0355 PM     TSTM WND DMG     1 SSE VOORHEESVILLE     42.63N  73.92W
10/07/2020                   ALBANY             NY   DEPT OF HIGHWAYS

            ROUTE 85 BETWEEN BULLOCK RD AND SWIFT RD CLOSED DUE TO 
            DOWNED TREES AND WIRES 

0356 PM     TSTM WND DMG     3 ESE PITTSTOWN         42.86N  73.50W
10/07/2020                   RENSSELAER         NY   TRAINED SPOTTER 

            TREE DOWN NEAR CROLL ROAD AND COUNTY ROUTE 111 

0356 PM     TSTM WND DMG     3 SE MECHANICVILLE      42.87N  73.64W
10/07/2020                   RENSSELAER         NY   SOCIAL MEDIA    

            DOWNED TREE AND LARGE BRANCHES SNAPPED 

0358 PM     TSTM WND DMG     2 W ALBANY              42.66N  73.81W
10/07/2020                   ALBANY             NY   PUBLIC          

            TREE DOWN ON A CAR. WINDSHIELD BROKEN. 

0359 PM     TSTM WND DMG     2 ESE SYCAWAY           42.73N  73.61W
10/07/2020                   RENSSELAER         NY   TRAINED SPOTTER 

            TREES DOWN. 

0400 PM     TSTM WND DMG     GUILDERLAND             42.70N  73.89W
10/07/2020                   ALBANY             NY   METEOROLOGIST   

            40 FOOT WILLOW TREE FELL IN GUILDERLAND. 

0400 PM     TSTM WND DMG     2 N DELMAR              42.65N  73.83W
10/07/2020                   ALBANY             NY   SOCIAL MEDIA    

            MUTIPLE TREES DOWN NEAR THE INTERSECTION OF NEW 
            SCOTLAND AVENUE AND HARTMAN ROAD 

0400 PM     TSTM WND DMG     2 NNW FEURA BUSH        42.60N  73.89W
10/07/2020                   ALBANY             NY   DEPT OF HIGHWAYS

            ROUTE 443 BETWEEN MEADS LANE AND BETHLEHEM TOWN LINE 
            CLOSED DUE TO DOWNED TREES AND WIRES 

0400 PM     TSTM WND DMG     2 S DELMAR              42.60N  73.84W
10/07/2020                   ALBANY             NY   PUBLIC          

            LARGE TREES UPROOTED 

0401 PM     TSTM WND DMG     2 E WESTMERE            42.68N  73.83W
10/07/2020                   ALBANY             NY   SOCIAL MEDIA    

            DOWNED TREES ON THE UALBANY CAMPUS 

0402 PM     TSTM WND DMG     2 S HOOSICK FALLS       42.87N  73.36W
10/07/2020                   RENSSELAER         NY   DEPT OF HIGHWAYS

            ROUTE 22 AT HOOSICK FALLS HIGH SCHOOL CLOSED DUE TO 
            DOWNED TREES AND WIRES 

0403 PM     TSTM WND DMG     1 W COXSACKIE           42.36N  73.82W
10/07/2020                   GREENE             NY   PUBLIC          

            TREE DOWN 

0404 PM     TSTM WND DMG     1 WNW ALBANY            42.67N  73.80W
10/07/2020                   ALBANY             NY   NWS EMPLOYEE    

            TREES AND WIRES DOWN 

0404 PM     TSTM WND DMG     1 WNW ALBANY            42.67N  73.80W
10/07/2020                   ALBANY             NY   METEOROLOGIST   

            LARGE TREE DOWN ON A HOUSE 

0405 PM     TSTM WND DMG     EAST GREENBUSH          42.59N  73.70W
10/07/2020                   RENSSELAER         NY   FIRE DEPT/RESCUE

            NUMEROUS REPORTS OF TREES DOWN WITH POWER OUTAGES 
            THROUGHOUT EAST GREENBUSH. 

0405 PM     TSTM WND DMG     NORTH GREENBUSH         42.66N  73.69W
10/07/2020                   RENSSELAER         NY   METEOROLOGIST   

            LARGE TREE BRANCHES DOWN 

0405 PM     TSTM WND DMG     2 NNW CASTLETON-ON-HUDS 42.57N  73.77W
10/07/2020                   ALBANY             NY   DEPT OF HIGHWAYS

            ROUTE 144 CLOSED BETWEEN WEMPLE RD AND CLAPPER RD DUE 
            TO DOWNED POLES AND WIRES 

0406 PM     TSTM WND DMG     1 E WESTMERE            42.69N  73.85W
10/07/2020                   ALBANY             NY   PUBLIC          

            LARGE TREE DOWN NEAR CROSSGATES MALL 

0406 PM     TSTM WND DMG     WESTERLO                42.52N  74.05W
10/07/2020                   ALBANY             NY   SOCIAL MEDIA    

            TREE DOWN ON CAR 

0410 PM     TSTM WND DMG     SELKIRK                 42.53N  73.80W
10/07/2020                   ALBANY             NY   TRAINED SPOTTER 

            NUMEROUS LARGE BRANCHES WITH POWER OUTAGES IN SELKIRK. 

0410 PM     TSTM WND DMG     MEDUSA                  42.44N  74.12W
10/07/2020                   ALBANY             NY   SOCIAL MEDIA    

            SEVERAL TREES DOWN 

0410 PM     TSTM WND DMG     3 NNE POWNAL            42.81N  73.21W
10/07/2020                   BENNINGTON         VT   DEPT OF HIGHWAYS

            TREES AND WIRES DOWN ON ROUTE 7 BETWEEN JACKSON CROSS 
            ROAD AND CENTER SREET 

0410 PM     TSTM WND DMG     1 NW BENNINGTON         42.88N  73.20W
10/07/2020                   BENNINGTON         VT   PUBLIC          

            TREES DOWN 

0410 PM     TSTM WND DMG     3 N SELKIRK             42.57N  73.80W
10/07/2020                   ALBANY             NY   NWS EMPLOYEE    

            TREE DOWN BLOCKING ROUTE 9W. TIME ESTIMATED BY RADAR. 

0410 PM     TSTM WND DMG     3 SSE DELMAR            42.59N  73.81W
10/07/2020                   ALBANY             NY   NWS EMPLOYEE    

            TREES AND POWER LINES DOWN ON WEMPLE ROAD. TIME 
            ESTIMATED BY RADAR. 

0413 PM     TSTM WND DMG     1 NNW EAST GREENBUSH    42.60N  73.71W
10/07/2020                   RENSSELAER         NY   SOCIAL MEDIA    

            LARGE TREE DOWN ON A CAR 

0415 PM     TSTM WND DMG     BENNINGTON              42.87N  73.19W
10/07/2020                   BENNINGTON         VT   BROADCAST MEDIA 

            WIDEPSREAD DOWNED TREES AND POWER LINES 

0416 PM     TSTM WND DMG     ADAMS                   42.63N  73.12W
10/07/2020                   BERKSHIRE          MA   AMATEUR RADIO   

            TREE DOWN ON CAR 

0416 PM     TSTM WND DMG     2 E RAVENA              42.48N  73.77W
10/07/2020                   RENSSELAER         NY   DEPT OF HIGHWAYS

            ROUTE 9J BETWEEN COUNTY ROUTE 2 AND COLUMBIA COUNTY 
            LINE CLOSED DUE TO DOWNED TREES AND WIRES 

0417 PM     TSTM WND DMG     2 E NASSAU              42.51N  73.57W
10/07/2020                   RENSSELAER         NY   DEPT OF HIGHWAYS

            NUMEROUS DOWNED POLES/WIRES ALONG RTE 20 BETWEEN NASSAU 
            AND RTE 66. 

0417 PM     TSTM WND GST     HARRIMAN-AND-WEST-AI    42.70N  73.17W
10/07/2020  M60 MPH          BERKSHIRE          MA   ASOS            

0421 PM     TSTM WND DMG     NORTH ADAMS             42.69N  73.11W
10/07/2020                   BERKSHIRE          MA   911 CALL CENTER 

            MULTIPLE TREES DOWN 

0421 PM     TSTM WND DMG     5 SSW STEPHENTOWN       42.49N  73.49W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            TREE AND WIRES DOWN. 

0421 PM     TSTM WND DMG     3 NE CHATHAM            42.39N  73.55W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            TREE ON WIRES 

0422 PM     TSTM WND DMG     2 SSE NASSAU            42.48N  73.59W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            TREE AND WIRES DOWN. 

0422 PM     TSTM WND DMG     1 ENE NEW BALTIMORE     42.44N  73.77W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            TREE AND WIRES DOWN 

0425 PM     TSTM WND DMG     4 NW DALTON             42.52N  73.23W
10/07/2020                   BERKSHIRE          MA   AMATEUR RADIO   

            TREE DOWN IN LANESBORO NEAR ROUTE 8 

0425 PM     TSTM WND DMG     FLORIDA                 42.67N  73.01W
10/07/2020                   BERKSHIRE          MA   911 CALL CENTER 

            MULTIPLE TREES DOWN 

0427 PM     TSTM WND DMG     1 W NIVERVILLE          42.44N  73.67W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            TREE AND WIRES DOWN 

0427 PM     TSTM WND DMG     STUYVESANT              42.39N  73.78W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            TREE AND WIRES DOWN 

0427 PM     TSTM WND DMG     VALATIE                 42.41N  73.68W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            TREE, WIRES AND POLE DOWN 

0428 PM     TSTM WND DMG     KINDERHOOK              42.39N  73.71W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            TREE AND WIRES DOWN 

0428 PM     TSTM WND DMG     VALATIE                 42.41N  73.68W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            TREE AND WIRES DOWN ON VEHICLE 

0430 PM     TSTM WND DMG     3 N STOTTVILLE          42.33N  73.75W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            TREE THROUGH HOUSE 

0431 PM     TSTM WND DMG     HANCOCK                 42.54N  73.32W
10/07/2020                   BERKSHIRE          MA   911 CALL CENTER 

            MULTIPLE TREES DOWN 

0433 PM     TSTM WND DMG     WINDSOR                 42.51N  73.05W
10/07/2020                   BERKSHIRE          MA   AMATEUR RADIO   

            TREE AND WIRES DOWN ON ROUTE 9 AT THE INTERSECTION OF 
            HILL STREET AND HILL ROAD 

0433 PM     TSTM WND GST     PITTSFIELD MUNICIPAL AP 42.43N  73.29W
10/07/2020  M60 MPH          BERKSHIRE          MA   ASOS            

0434 PM     TSTM WND DMG     DALTON                  42.47N  73.16W
10/07/2020                   BERKSHIRE          MA   SOCIAL MEDIA    

            LARGE TREE LIMB DOWN 

0434 PM     TSTM WND DMG     2 NNE STOTTVILLE        42.31N  73.75W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            TREE AND WIRES DOWN 

0436 PM     TSTM WND DMG     2 E CANAAN              42.41N  73.41W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            POLE SNAPPED 

0437 PM     TSTM WND DMG     2 SSW CANAAN            42.39N  73.46W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            TREE AND WIRES DOWN 

0437 PM     TSTM WND DMG     2 ESE CHATHAM           42.35N  73.56W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            TREE ON WIRES 

0438 PM     TSTM WND DMG     HUDSON                  42.25N  73.78W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            POLE SNAPPED AND WIRES DOWN 

0439 PM     TSTM WND DMG     2 SE STOTTVILLE         42.27N  73.72W
10/07/2020                   COLUMBIA           NY   DEPT OF HIGHWAYS

            DOWNED WIRES RESULTED IN ROAD CLOSURE ON RTE 66 AT RTE 
            9H. 

0439 PM     TSTM WND DMG     1 SSE HUDSON            42.24N  73.78W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            TREE ON WIRES 

0440 PM     TSTM WND DMG     CATSKILL                42.21N  73.87W
10/07/2020                   GREENE             NY   TRAINED SPOTTER 

            TREE ON A HOUSE WITH A PARTIAL STRUCTURAL COLLAPSE 
            REPORTED IN THE VILLAGE OF CATSKILL. 

0440 PM     TSTM WND DMG     1 NNE PHILMONT          42.27N  73.64W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            TREE ON WIRES 

0442 PM     TSTM WND DMG     2 S HUDSON              42.23N  73.79W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            POLE BROKEN WITH WIRES DOWN 

0443 PM     TSTM WND DMG     1 ENE CLAVERACK         42.23N  73.71W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            TREE ON POWER LINES 

0444 PM     TSTM WND DMG     AUSTERLITZ              42.32N  73.47W
10/07/2020                   COLUMBIA           NY   SOCIAL MEDIA    

            TREE DOWN ON COUNTY ROUTE 9 

0448 PM     TSTM WND DMG     LEE                     42.30N  73.25W
10/07/2020                   BERKSHIRE          MA   911 CALL CENTER 

            PARTS OF ROUTE 20 CLOSED IN LEE DUE TO DOWNED TREES 

0448 PM     TSTM WND DMG     STOCKBRIDGE             42.28N  73.31W
10/07/2020                   BERKSHIRE          MA   911 CALL CENTER 

            MULTIPLE DOWNED TREES 

0454 PM     TSTM WND DMG     3 NNW COPAKE            42.14N  73.58W
10/07/2020                   COLUMBIA           NY   911 CALL CENTER 

            TREE ON WIRES 

0455 PM     TSTM WND DMG     GREAT BARRINGTON        42.19N  73.36W
10/07/2020                   BERKSHIRE          MA   BROADCAST MEDIA 

            *** 1 FATAL *** TREES DOWN ON MAN IN GOLF CART ON 
            WYANTENUCK GOLF COURSE. TIME ESTIMATED. 

0516 PM     TSTM WND DMG     SANDISFIELD             42.11N  73.14W
10/07/2020                   BERKSHIRE          MA   911 CALL CENTER 

            DOWNED TREE 

0520 PM     TSTM WND DMG     ASHLEY FALLS            42.06N  73.33W
10/07/2020                   BERKSHIRE          MA   911 CALL CENTER 

            DOWNED TREES AND WIRES 

0524 PM     TSTM WND DMG     COLEBROOK               42.00N  73.08W
10/07/2020                   LITCHFIELD         CT   911 CALL CENTER 

            DOWNED TREES 

0528 PM     TSTM WND DMG     1 SW WINSTED            41.92N  73.08W
10/07/2020                   LITCHFIELD         CT   EMERGENCY MNGR  

            TREE DOWN 

0529 PM     TSTM WND DMG     4 NE NEW HARTFORD       41.93N  72.92W
10/07/2020                   LITCHFIELD         CT   911 CALL CENTER 

            DOWNED TREES

Environment


Figure 1: Surface Map Valid 21 UTC (5PM EDT) Wednesday October 7, 2020.	Figure 2: Very strong 70 - 110kt jet at 500mb nosing into the Northeast at 22 UTC (6PM EDT). Parent trough at this time is also becoming negatively tilted	Figure 3: 500hPa U-Wind Anomaly range 3 to 4 standard deviations above normal at 18 UTC 07 October per the NAEFS (North American Ensemble Forecast System). Initialized at 06 UTC 07 October

Near-storm environment summary.


Figure 4: 12 UTC 07 October Albany, NY Sounding	Figure 5: Steepening Mid-level lapse rates at 20 UTC (4 PM EDT)	Figure 6: Mixed Layer CAPE at 20 UTC (4PM EDT)

Additional environmental data.


Figure 7: 00 UTC 08 October Albany, NY Sounding	Figure 8: 12 UTC 07 October Gaylord, MI Sounding	Figure 9: 21 UTC 07 October 850hPa map shows 45 - 50 kt jet directed into eastern NY and western New England

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