Overview of the March 19 severe storms and flooding

Tornadoes:

Tornado - SUNFIELD, IL PERRY COUNTY Date Mar 19, 2020 Time (Local) 3:44 P.M. CDT EF Rating EF-1 Est. Peak Winds 100 mph Path Length 3.3 miles Max Width 125 yds Injuries/Deaths 1 / 0 Summary: At least a dozen homes were damaged, including four with major structural damage. This included numerous broken windows and roof damage. One home had part of its roof decking removed, and another had its attached garage blown apart from the house. At least five camper trailers were blown over, with one lofted over 200 yards across a field. Several outbuildings and garages were partly or completely levelled. Trained spotter witnessed the tornado. Track Map  Downloadable KMZ File

Tornado - DAHLGREN, IL HAMILTON COUNTY Date Mar 19, 2020 Time (Local) 4:23 P.M. CDT EF Rating EF-1 Est. Peak Winds 110 mph Path Length 2.9 miles Max Width 300 yds Injuries/Deaths 0 / 0 Summary: The tornado began in extreme eastern Jefferson County and moved across the northwest side of Dahlgren in Hamilton County. Several homes sustained roofing or soffit damage. One home had about a quarter of its roof removed and tossed about 50 yards. A few barns were damaged. Two travel trailers were overturned. Dozens of mature trees were snapped or uprooted. Track Map Downloadable KMZ File

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

Flooding

Thunderstorms brought locally very heavy rainfall that caused isolated flash flooding of roads in southern Illinois and southeast Missouri, specifically from the Marble Hill area of southeast Missouri across the Interstate 64 corridor of southern Illinois. Small rivers and creeks rose rapidly. Major flooding occurred on the Skillet Fork River in Wayne County, IL. 

Hydrographs - Small rivers in southeast MO and southern IL

River gage at Wayne City, IL	River gage at Patterson, MO	River gage at Doniphan, MO	River gage at Plumfield, IL

Rainfall Graphics

24-hour rainfall radar estimate ending 7 AM Mar 20	48-hr rainfall reports: 7 PM Mar 18 - 7 PM Mar 20	1 PM Mar 19: Heavy Rainfall Disc. (from WPC)	5 PM Mar 19: Heavy Rainfall Disc. (from WPC)

Radar

Regional radar images with lightning strikes (white dots) during the southern Illinois tornadoes

Radar image at 3 PM CDT	Radar image at 3:30 PM	Radar image at 4 PM	Radar image at 4:30 PM

Storm Reports

PRELIMINARY LOCAL STORM REPORT...SUMMARY


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

0344 PM     TORNADO          SUNFIELD                38.07N 89.24W
03/19/2020                   PERRY              IL   NWS STORM SURVEY

            AT LEAST A DOZEN HOMES DAMAGED, INCLUDING
            FOUR WITH MAJOR STRUCTURAL DAMAGE, INCLUDING
            NUMEROUS BLOWN OUT WINDOWS AND ROOF DAMAGE.
            ONE HOME HAD PART OF ITS ROOF DECKING
            REMOVED, AND ANOTHER HAD ITS ATTACHED GARAGE
            BLOWN APART FROM THE HOUSE. AT LEAST FIVE
            CAMPER TRAILERS WERE BLOWN OVER, WITH ONE
            LOFTED OVER 200 YARDS ACROSS A FIELD.
            SEVERAL OUTBUILDINGS AND GARAGES WERE PARTLY
            OR COMPLETELY LEVELED. DOZENS OF TREES WERE
            SNAPPED OR UPROOTED, AND SEVERAL POWER LINES
            WERE EITHER BLOWN DOWN OR BROUGHT DOWN BY
            FALLEN TREES.

0353 PM     TSTM WND DMG     1 NE DU QUOIN           38.01N 89.23W
03/19/2020                   PERRY              IL   PUBLIC

            REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN;
            SHINGLES BLOWN OFF.

0409 PM     TSTM WND DMG     1 SW INA                38.16N 88.91W
03/19/2020                   JEFFERSON          IL   LAW ENFORCEMENT

            LARGE IDOT SIGN BLOWN DOWN.

0423 PM     TORNADO          2 WSW DAHLGREN          38.18N 88.72W
03/19/2020                   JEFFERSON          IL   NWS STORM SURVEY

            THE TORNADO BEGAN IN EXTREME EASTERN
            JEFFERSON COUNTY AND MOVED ACROSS THE
            NORTHWEST SIDE OF DAHLGREN IN HAMILTON
            COUNTY. SEVERAL HOMES SUSTAINED ROOFING OR
            SOFFIT DAMAGE. ONE HOME HAD ABOUT A QUARTER
            OF ITS ROOF REMOVED AND TOSSED ABOUT 50
            YARDS. A FEW BARNS LOST PANELS OF ROOFING
            MATERIAL OR SUSTAINED STRUCTURAL DAMAGE. TWO
            TRAVEL TRAILERS WERE OVERTURNED. DOZENS OF
            MATURE TREES WERE SNAPPED OR UPROOTED ALONG
            THE DAMAGE PATH.

0425 PM     TSTM WND DMG     DAHLGREN                38.20N 88.68W
03/19/2020                   HAMILTON           IL   PUBLIC

            2 HOMES WITH ROOF DECKING REMOVED, 2 BARNS
            DAMAGED, AND NUMEROUS TREES AND POWER LINES
            DOWN.

0432 PM     FLASH FLOOD      3 E MOUNT VERNON        38.32N 88.85W
03/19/2020                   JEFFERSON          IL   EMERGENCY MNGR

            CASEY FORK CREEK BEGINNING TO COME OUT OF
            ITS BANKS. MINOR STREET FLOODING ALSO
            REPORTED IN MOUNT VERNON.

0437 PM     FLASH FLOOD      3 ESE WOODLAWN          38.31N 88.99W
03/19/2020                   JEFFERSON          IL   PUBLIC

            HIGHWAY 15 FLOODED BETWEEN WOODLAWN AND
            MOUNT VERNON. RELAYED VIA TWITTER.

0535 PM     FLASH FLOOD      2 ENE WEST SALEM        38.53N 87.98W
03/19/2020                   EDWARDS            IL   PUBLIC

            ESTIMATED HALF A FOOT DEEP WATER FLOWING
            ACROSS EAST LANCASTER ROAD.

0541 PM     FLASH FLOOD      WEST SALEM              38.53N 88.01W
03/19/2020                   EDWARDS            IL   PUBLIC

            SIX INCHES OF WATER FLOWING OVER WEST
            LANCASTER ROAD.

1032 PM     FLASH FLOOD      3 NW SEDGEWICKVILLE     37.55N 89.95W
03/19/2020                   BOLLINGER          MO   LAW ENFORCEMENT

            FLOODING AT EE HIGHWAY NEAR COUNTY ROAD 238.

1255 AM     TSTM WND DMG     WICKLIFFE               36.97N 89.08W
03/20/2020                   BALLARD            KY   PUBLIC

            LATE REPORT. 55 TO 60 MPH WIND GUSTS AND
            SEVERAL REPORTS OF TREES AND LIMBS DOWN
            AROUND THE WICKLIFFE AREA. TIME ESTIMATED BY
            RADAR.

0140 AM     TSTM WND DMG     LONE OAK                37.03N 88.67W
03/20/2020                   MCCRACKEN          KY   PUBLIC

            MPING REPORT: 1-INCH TREE LIMBS BROKEN;
            SHINGLES BLOWN OFF. TIME ESTIMATED BY RADAR.