Thunderstorms are expected to bring heavy rain and potential significant flash and urban flooding to the Mid-Atlantic on Thursday, especially along the I-95 urban corridor. Dry conditions, gusty winds, and isolated dry thunderstorms will continue to bring a critical fire weather threat to the northwestern Great Basin into the interior Northwest through Thursday. Read More >
Overview
The remnants of Tropical Storm Gordon merged with a cold front over the mid-section of the country. The tropical moisture squeezed out by the front produced widespread heavy raiinfall. Some flash flooding occurred in southern Illinois and southwest Indiana. During the afternoon hours, thunderstorms increased across southwest Indiana and western Kentucky. Enough low-level wind shear was present for a few rotating storms in southwest Indiana and northwest Kentucky.Tornadoes:
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Tornado #1 - STANLEY, KY
Track Map - preliminary version (click on map for larger size) %209-8-18.png) 
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Tornado #2 - Sorgho, KY
Track Map - preliminary version (click on map for larger size) %209-8-18.png)
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Tornado #3 - Newtonville, IN
Track Map - preliminary version (click on map for larger size) %209-8-18.png)
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Tornado #4 - Maceo, KY
Track Map - preliminary version (click on map for larger size) %209-8-18.png)
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The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
| EF0 Weak 65-85 mph |
EF1 Moderate 86-110 mph |
EF2 Significant 111-135 mph |
EF3 Severe 136-165 mph |
EF4 Extreme 166-200 mph |
EF5 Catastrophic 200+ mph |
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Flooding
Widespread heavy rainfall resulted in pockets of flash flooding. In Mount Vernon, Illinois, a few dozen residences were impacted by flooding of a creek. There were some evacuations. Significant road flooding occurred along the Interstate 64 corridor of southern Illinois, mainly north of the Marion/Carbondale region. Rivers and creeks rose rapidly. To view information on river flooding, see the latest river hydrographs on our AHPS website.
Public Information Statement National Weather Service Paducah KY 1014 AM CDT Sun Sep 9 2018 ...UPDATED 48 HOUR RAINFALL TOTALS FOR THE PERIOD ENDING AT 930 AM SUNDAY SEPTEMBER 9TH... Location Amount Time/Date Provider ...Illinois... ...Alexander County... Cairo 0.85 in 0800 AM 09/09 HADS ...Franklin County... Benton 1 NE 5.10 in 0700 AM 09/09 COCORAHS Royalton 1 W 4.54 in 0800 AM 09/09 CWOP West City 2 NNW 2.56 in 0800 AM 09/09 HADS Christopher 3 WSW 2.14 in 0805 AM 09/09 CWOP ...Gallatin County... Ridgway 4.85 in 0800 AM 09/09 CWOP ...Hardin County... Rosiclare 5 NW 2.98 in 0700 AM 09/09 COOP ...Hamilton County... McLeansboro 7 N 7.21 in 0700 AM 09/09 TRAINED SPOTTER ...Jackson County... 1 N Carbondale 3.08 in 0750 AM 09/09 AWS De Soto 0.3 ESE 2.50 in 0700 AM 09/09 COCORAHS Murphysboro 1.95 in 0730 AM 09/09 HADS Mississippi River 1.90 in 0800 AM 09/09 GOES ...Jefferson County... Mount Vernon 3 NE 7.00 in 0700 AM 09/09 COOP Mt Vernon 6.91 in 0656 AM 09/09 AWOS 2 N Waltonville 5.35 in 0800 AM 09/09 HADS Dix 3.45 in 0756 AM 09/09 CWOP ...Johnson County... Vienna 1.31 in 0654 AM 09/09 RAWS ...Massac County... Fort Massac State Park 3.04 in 1000 AM 09/08 COOP ...Perry County... Pinckneyville 2 N 5.71 in 0700 AM 09/09 COOP ...Pope County... Dixon Springs 2.51 in 0808 AM 09/09 RAWS ...Saline County... Harrisburg 2.45 in 0655 AM 09/09 AWOS Harrisburg 4.6 NNE 2.32 in 0700 AM 09/09 COCORAHS ...Union County... Cobden 0.8 SSE 2.28 in 0700 AM 09/09 COCORAHS ...Wabash County... Mount Carmel 6.90 in 0300 PM 09/08 BROADCAST MEDIA ...Wayne County... Fairfield 6.16 in 0804 AM 09/09 CWOP ...White County... Carmi 3.16 in 0730 AM 09/09 HADS ...Williamson County... Marion 1 NNE 2.82 in 1000 AM 09/08 COCORAHS Bush 2 ESE 2.46 in 0700 AM 09/09 COCORAHS ...Indiana... ...Gibson County... Francisco 0.1 SE 6.18 in 0700 AM 09/09 COCORAHS Oakland City 5.33 in 0805 AM 09/09 CWOP ...Pike County... Holland 6.3 NW 6.62 in 0600 AM 09/09 COCORAHS Stendal 6.60 in 0630 AM 09/09 COOP Petersburg 1 ENE 3.84 in 0450 AM 09/09 COCORAHS ...Posey County... Poseyville 2.9 SSE 4.58 in 0700 AM 09/09 COCORAHS Poseyville 2.8 NW 4.08 in 0700 AM 09/09 COCORAHS Mount Vernon 2.04 in 0600 AM 09/09 COOP ...Spencer County... Santa Claus 1 WSW 4.90 in 0635 AM 09/09 COCORAHS ...Vanderburgh County... Melody Hill 2.9 WNW 3.70 in 0700 AM 09/09 COCORAHS Evansville 10 NW 3.13 in 0700 AM 09/09 COCORAHS Evansville 2.86 in 0654 AM 09/09 ASOS Evansville Museum 2.64 in 0430 PM 09/08 COOP Evansville 1 WSW 2.23 in 0800 AM 09/09 HADS ...Warrick County... Newburgh 3.11 in 0806 AM 09/09 CWOP Newburgh 1 ENE 3.05 in 0700 AM 09/09 COCORAHS Newburgh 2 WNW 2.10 in 0800 AM 09/09 CWOP ...Kentucky... ...Ballard County... 3 SSE Barlow 1.88 in 0807 AM 09/09 CWOP Wickliffe 1.45 in 0600 AM 09/09 UCOOP Olmsted Lock And Dam 0.58 in 0800 AM 09/09 UCOOP ...Caldwell County... 1 NNE Princeton 0.67 in 0800 AM 09/09 CWOP ...Calloway County... Clarks River At Murray 2.21 in 0800 AM 09/09 GOES 6 ENE Hazel 1.35 in 0801 AM 09/09 CWOP 4 NNW Murray 0.90 in 0759 AM 09/09 CWOP Murray KY 1 WSW 0.81 in 0700 AM 09/09 COCORAHS ...Christian County... S F Little R at Hwy 68 Byp 0.94 in 0730 AM 09/09 GOES S F Little R at Hwy 68/80 0.92 in 0730 AM 09/09 GOES Crofton KY 3 N 0.76 in 0700 AM 09/09 COOP Hopkinsville 0.70 in 0756 AM 09/09 CWOP Hopkinsville 0.3 NW 0.64 in 0700 AM 09/09 COCORAHS Fort Campbell 0.62 in 0656 AM 09/09 AWOS N F Little R at Water Plant 0.60 in 0730 AM 09/09 GOES Oak Grove 4.6 NW 0.56 in 0700 AM 09/09 COCORAHS 3 SE Herndon 0.49 in 0804 AM 09/09 CWOP ...Daviess County... 2 SSW Marshall 4.89 in 0600 AM 09/09 COOP Owensboro 3 WNW 3.63 in 0700 AM 09/09 COCORAHS Owensboro 2.50 in 0656 AM 09/09 AWOS Owensboro 4.9 S 1.75 in 0700 AM 09/09 COCORAHS ...Graves County... Sedalia 5.1 SE 1.47 in 0700 AM 09/09 COCORAHS ...Henderson County... Henderson 2.85 in 0656 AM 09/09 AWOS Henderson 8 SSW 2.52 in 0700 AM 09/09 COOP 2 ESE Newburgh 1.47 in 0700 AM 09/09 HADS ...Hopkins County... Hanson KY 2.2 NE 2.28 in 0800 AM 09/09 COCORAHS Madisonville 0.47 in 0655 AM 09/09 AWOS ...Livingston County... Kentucky Lake 0.71 in 0730 AM 09/09 COOP ...Lyon County... Barkley Headwater 0.63 in 0730 AM 09/09 GOES ...Marshall County... Kenlake Resort 0.92 in 0600 AM 09/09 COOP Benton 0.58 in 0730 AM 09/09 GOES 2 SE Faridealing 0.54 in 0808 AM 09/09 CWOP ...McCracken County... Paducah 2.73 in 0653 AM 09/09 ASOS 2 ENE Paducah 2.54 in 0800 AM 09/09 HADS West Paducah 2 W 2.36 in 1200 AM 09/09 COOP 1 SSW Lone Oak 1.83 in 0800 AM 09/09 CWOP 1 SW Heath 1.50 in 0755 AM 09/09 CWOP ...McLean County... Calhoun 0.92 in 0700 AM 09/09 HADS Livermore 0.27 in 0700 AM 09/09 HADS ...Muhlenberg County... Greenville 0.38 in 0715 AM 09/09 RAWS ...Todd County... 4 SE Allegre 0.92 in 0810 AM 09/09 CWOP 1 SSW Elkton 0.44 in 0730 AM 09/09 HADS Trenton 2 SW 0.37 in 0700 AM 09/09 COCORAHS ...Trigg County... Cadiz 2 NNW 1.72 in 0600 AM 09/09 COOP Cadiz 4 SW 1.41 in 0600 AM 09/09 COOP Canton 1.28 in 0700 AM 09/09 HADS Golden Pond 1.23 in 0721 AM 09/09 RAWS Little River 0.32 in 0700 AM 09/09 GOES ...Union County... 2 W Uniontown 3.05 in 0700 AM 09/09 HADS ...Webster County... Providence 2.38 in 0600 AM 09/09 COOP ...Missouri... ...Butler County... Qulin 0.49 in 0700 AM 09/09 GOES 1 ESE Poplar Bluff 0.49 in 0715 AM 09/09 HADS Poplar Bluff 0.33 in 0900 AM 09/09 ASOS ...Cape Girardeau County... Oak Ridge 1 WSW 4.39 in 0700 AM 09/09 COCORAHS Hubble Creek Near Dutchtown 1.70 in 0700 AM 09/09 GOES ...Carter County... Ellsinore 4.8 WNW 1.01 in 0700 AM 09/09 COCORAHS Chicopee 0.92 in 0722 AM 09/09 RAWS ...Mississippi County... Wolf Island 5 S 1.28 in 0800 AM 09/09 CWOP Mississippi River 0.87 in 0800 AM 09/09 GOES ...Perry County... Perryville Water Plant 5.03 in 0700 AM 09/09 COOP ...Ripley County... Current River 0.88 in 0730 AM 09/09 GOES ...Scott County... Scott City 4.04 in 0800 AM 09/09 CWOP Cape Girardeau 3.05 in 0653 AM 09/09 ASOS 1 WNW Sikeston 1.95 in 0804 AM 09/09 CWOP Sikeston 1.26 in 0700 AM 09/09 GOES ...Stoddard County... Dexter 0.57 in 0700 AM 09/09 COCORAHS St Francis River 0.31 in 0700 AM 09/09 COOP ...Wayne County... Piedmont 1.04 in 0730 AM 09/09 RAWS St. Francis River 0.89 in 0800 AM 09/09 GOES Greenville 0.41 in 0800 AM 09/09 GOES Wappapello 0.41 in 0800 AM 09/09 HADS Black River above Williamsvi 0.33 in 0730 AM 09/09 GOES Observations are collected from a variety of sources with varying equipment and exposures. We thank all volunteer weather observers for their dedication. Not all data listed are considered official
Photos (click for full size):
Tornado damage...
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| Damage in Stanley, KY (NWS photo) |
Damage in Stanley, KY (NWS photo) |
Flooding...
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| Water rescue in Mt. Vernon, IL (Jefferson Co. EMA) |
Flooding south of Mt. Vernon, IL (Shane Reeves) |
Flooding in Mt. Carmel, IL (Jeff Blair) |
Radar:
Radar loop from 6 A.M. to 5 P.M. on Sept. 8 at hourly intervals. A mass of heavy rain during the morning was followed by a round of storms in west Kentucky and southwest Indiana during the afternoon.
Stanley tornado - Radar images from the Evansville (kvwx) radar at 0.5 elevation (using GR Analyst software)
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| 3:54 PM CDT - Storm-relative motion | 3:49 PM CDT - SRM | 3:44 PM CDT - Reflectivity | 3:52 PM CDT - Base velocity |
Storm Reports
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE PADUCAH KY
915 PM CDT SAT SEP 8 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0416 PM HEAVY RAIN CARMI 38.09N 88.17W
09/07/2018 M1.69 INCH WHITE IL AWOS
RAINFALL OVER THE LAST HOUR. A LITTLE OVER 1 INCH IN 20
MINUTES.
0417 PM HEAVY RAIN HENDERSON 37.84N 87.58W
09/07/2018 M1.42 INCH HENDERSON KY AWOS
STORM TOTAL IN ABOUT 45 MINUTES.
0300 AM HEAVY RAIN ROYALTON 37.88N 89.11W
09/08/2018 M4.42 INCH FRANKLIN IL MESONET
24 HOUR RAINFALL TOTAL
0300 AM HEAVY RAIN 2 NNW ZEIGLER 37.93N 89.07W
09/08/2018 M3.08 INCH FRANKLIN IL MESONET
24 HOUR RAINFALL TOTAL
0300 AM HEAVY RAIN DONIPHAN 36.62N 90.82W
09/08/2018 M2.68 INCH RIPLEY MO MESONET
24 HOUR RAINFALL TOTAL
0300 AM HEAVY RAIN 1 ESE ZEIGLER 37.89N 89.04W
09/08/2018 M2.15 INCH FRANKLIN IL MESONET
24 HOUR RAINFALL TOTAL
0300 AM HEAVY RAIN MOUNT VERNON 38.32N 88.91W
09/08/2018 M2.98 INCH JEFFERSON IL MESONET
24 HOUR RAINFALL TOTAL MEASURED ALONG THE BIG MUDDY
RIVER.
0300 AM HEAVY RAIN MARION 37.73N 88.94W
09/08/2018 M2.44 INCH WILLIAMSON IL AWOS
24 HOUR RAINFALL TOTAL
0300 AM HEAVY RAIN 1 N CARBONDALE 37.74N 89.22W
09/08/2018 M2.04 INCH JACKSON IL LAW ENFORCEMENT
24 HOUR RAINFALL TOTAL
1000 AM FLASH FLOOD PINCKNEYVILLE 38.08N 89.38W
09/08/2018 PERRY IL 911 CALL CENTER
SEVERAL ROADS WERE CLOSED ACROSS THE COUNTY. A FEW
VEHICLES WERE SUBMERGED.
1121 AM FLASH FLOOD PINCKNEYVILLE 38.08N 89.38W
09/08/2018 PERRY IL TRAINED SPOTTER
WATER OVER ROADS IN PICKNEYVILLE.
1135 AM FLASH FLOOD MOUNT VERNON 38.32N 88.91W
09/08/2018 JEFFERSON IL 911 CALL CENTER
NUMEROUS COUNTY ROADS FLOODED ACROSS JEFFERSON COUNTY.
1157 AM FLASH FLOOD FAIRFIELD 38.38N 88.37W
09/08/2018 WAYNE IL LAW ENFORCEMENT
WATER OVER HIGHWAY 15 AND US HIGHWAY 45 NEAR FAIRFIELD.
SEVERAL COUNTY ROADS ALSO FLOODED.
1238 PM FLASH FLOOD 5 N MCLEANSBORO 38.16N 88.53W
09/08/2018 HAMILTON IL EMERGENCY MNGR
WATER OVER HIGHWAY 242 IN SEVERAL PLACES BETWEEN
MCLEANSBORO AND INTERSTATE 64. SEVERAL CARS HAVE STALLED.
0104 PM FLASH FLOOD MOUNT VERNON 38.32N 88.91W
09/08/2018 JEFFERSON IL EMERGENCY MNGR
NUMEROUS COUNTY ROADS FLOODED AND CLOSED. EVACUATIONS
BEGINNING IN MOUNT VERNON.
0144 PM FLOOD EVANSVILLE 37.98N 87.54W
09/08/2018 VANDERBURGH IN BROADCAST MEDIA
WATER ON THE RAMPS OF THE LLOYD EXPRESSWAY AT US 41. NO
WRECKS OR ROAD CLOSURES AT THIS TIME.
0200 PM FLASH FLOOD MOUNT VERNON 38.32N 88.91W
09/08/2018 JEFFERSON IL EMERGENCY MNGR
*** 1 INJ *** DAMAGE AREA IS ON NORTH SIDE OF TOWN
BETWEEN 8TH STREET AND BRAVARD PLACE. 45 HOMES IMPACTED
AND 6 STREETS IMPASSABLE. ONE PERSON TAKEN TO HOSPITAL.
ALL EVACUATIONS COMPLETED AT THIS TIME. NO EMERGENCY
SHELTER NEEDED. DAMAGE ASSESMENT TO BE COMPLETED SUNDAY
ONCE WATER BEGINS TO RECEDE.
0223 PM FLASH FLOOD MOUNT CARMEL 38.42N 87.77W
09/08/2018 WABASH IL PUBLIC
NUMEROUS STREETS FLOODED IN MOUNT CARMEL. REPORT RELAYED
VIA TWITTER.
0228 PM FLASH FLOOD ALBION 38.38N 88.06W
09/08/2018 EDWARDS IL 911 CALL CENTER
NUMEROUS ROADS FLOODED ACROSS THE COUNTY.
0229 PM HEAVY RAIN ROCKPORT 37.88N 87.05W
09/08/2018 M1.50 INCH SPENCER IN TRAINED SPOTTER
ONE HOUR RAINFALL ACCUMULATION. 12 HOUR ACCUMULATION NOW
3.50 INCHES.
0239 PM HEAVY RAIN LAMAR 38.07N 86.91W
09/08/2018 M3.54 INCH SPENCER IN PUBLIC
LESS THAN 4 HOUR RAINFALL ACCUMULATION.
0331 PM HEAVY RAIN MOUNT CARMEL 38.42N 87.77W
09/08/2018 M6.90 INCH WABASH IL BROADCAST MEDIA
24 HOUR RAINFALL ACCUMULATION
0359 PM TORNADO STANLEY 37.82N 87.24W
09/08/2018 DAVIESS KY TRAINED SPOTTER
TORNADO DAMAGE REPORTED IN TOWN. METAL BARN ROOF
DESTORYED. SEVERAL TREE TOPS SNAPPED OFF. DAMAGE OCCURRED
ALONG HIGHWAY 60. TREES DOWN AND POWER OUTAGES JUST SOUTH
OF STANLEY.
0400 PM HEAVY RAIN FORT BRANCH 38.25N 87.57W
09/08/2018 M6.30 INCH GIBSON IN TRAINED SPOTTER
24 HOUR RAINFALL ACCUMULATION
0401 PM HEAVY RAIN MOUNT VERNON 38.32N 88.91W
09/08/2018 M7.40 INCH JEFFERSON IL PUBLIC
22 HOUR RAINFALL ACCUMULATION.
Below is a map of the preliminary storm reports that are listed above. All reports are heavy rain (blue icons) and flooding (green icons)
except for the tornado just west of Owensboro (red icon).
Environment
Summary of meteorological parameters...
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| Figure 1: WPC Heavy precip discussion(09z) | Figure 2: WPC Heavy precip disc (14z) | Figure 3: WPC Heavy precip disc (19z) |
Near-storm environment summary.
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| Figure 4: 21z Sig. Tor. Parameter | Figure 5: 21z Storm Rel Helicity (0-1 km) | Figure 6: 21z Sfc-based cape |
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