Alert archive / Illinois / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 274, NWS Paducah, KY

August 10, 2009Gallatin County, Illinois

NWS Paducah, KY issued this severe thunderstorm warning at Aug 10, 2009, 7:17 PM CDT for Gallatin County, Illinois. It was in force for 16 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 10, 2009, 7:17 PM CDT (00:17 UTC)
Expired
Aug 10, 2009, 7:33 PM CDT
In force
16 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon

County Gallatin County, IL

The radar

The Evansville,IN radar (KVWX), 71 km from the middle of the area, began a volume at 00:16 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Paducah, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 10, 3:24 PM CDT, 3 hours 53 minutes earlier.

Area forecast discussion, Aug 10, 3:24 PM CDT, 3 hours 53 minutes before
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Hazardous weather outlook, Aug 10, 5:02 AM CDT, 14 hours 15 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PADUCAH KY
502 AM CDT MON AUG 10 2009

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-111000-
JEFFERSON-WAYNE IL-EDWARDS-WABASH-PERRY IL-FRANKLIN-HAMILTON-
WHITE-JACKSON-WILLIAMSON-SALINE-GALLATIN-UNION IL-JOHNSON-POPE-
HARDIN-ALEXANDER-PULASKI-MASSAC-GIBSON-PIKE-POSEY-VANDERBURGH-
WARRICK-SPENCER-FULTON-HICKMAN-CARLISLE-BALLARD-MCCRACKEN-GRAVES-
LIVINGSTON-MARSHALL-CALLOWAY-CRITTENDEN-LYON-TRIGG-CALDWELL-
UNION KY-WEBSTER-HOPKINS-CHRISTIAN-HENDERSON-DAVIESS-MCLEAN-
MUHLENBERG-TODD-PERRY MO-BOLLINGER-CAPE GIRARDEAU-WAYNE MO-CARTER-
RIPLEY-BUTLER-STODDARD-SCOTT-MISSISSIPPI-NEW MADRID-
502 AM CDT MON AUG 10 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHERN
ILLINOIS...SOUTHWEST INDIANA...WESTERN KENTUCKY AND SOUTHEAST
MISSOURI.

.DAY ONE...TODAY AND TONIGHT

AN OUTFLOW BOUNDARY JUST NORTHWEST OF THE AREA EARLY THIS MORNING
IS EXPECTED TO PROVIDE A FOCUS FOR THUNDERSTORM DEVELOPMENT OVER
SOUTHEAST MISSOURI AND SOUTHERN ILLINOIS BY MID DAY. THE STORMS
WILL THEN SPREAD EASTWARD INTO SOUTHWEST INDIANA AND POSSIBLY
WEST KENTUCKY THROUGH THE AFTERNOON. A FEW OF THE STORMS MAY
INTENSIFY TO SEVERE LEVELS AND PRODUCE DAMAGING WINDS...AND MAYBE
EVEN SOME LARGE HAIL. HOWEVER...LOCALLY HEAVY RAINFALL WILL BE THE
PRIMARY CONCERN WITH ANY THUNDERSTORMS TODAY. THE STORMS MAY
LINGER INTO THE EVENING HOURS...BUT THE SEVERE POTENTIAL WILL
SUBSIDE WITH SUNSET.

HEAT INDEX VALUES WILL REACH THE 100 DEGREE MARK BY NOON OVER
MUCH OF THE AREA. PLEASE REFER TO THE SPECIAL WEATHER STATEMENT
FOR MORE INFORMATION.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THUNDERSTORMS ARE LIKELY TUESDAY...AS A COLD FRONT MOVES THROUGH
THE REGION. A FEW OF THE STORMS MAY BRIEFLY APPROACH SEVERE
LEVELS...WITH THE POTENTIAL FOR DAMAGING WINDS AND LARGE HAIL.
HOWEVER...LOCALLY HEAVY RAINFALL WILL BE THE PRIMARY CONCERN. THE
STORMS WILL COME TO AN END FROM NORTHWEST TO SOUTHEAST LATE
TUESDAY AND TUESDAY EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUESTED POSSIBLY AS EARLY AS NOON
TODAY OVER SOUTHEAST MISSOURI AND SOUTHERN ILLINOIS...AND LATER
THIS AFTERNOON OVER THE EVANSVILLE TRI STATE.

SPOTTER ACTIVATION MAY BE NEEDED THROUGHOUT THE AREA ON
TUESDAY...PRIMARILY IN THE AFTERNOON.

DRS

In the hours before

Special weather statement, Aug 10, 6:35 PM CDT, 42 minutes before
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Nearby

Severe Thunderstorm Warnings in Illinois, 2009Every severe thunderstorm warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.