An isolated severe thunderstorm caused scattered wind damage across Greenville, IL.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS LSX wrote it up.
An isolated severe thunderstorm caused scattered wind damage across Greenville, IL.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS St. Louis, MO wrote its last area forecast discussion before the first event at Jun 23, 12:23 PM CST, 2 hours 7 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ST LOUIS MO 123 PM CDT SAT JUN 23 2007 .DISCUSSION... FRONTAL BOUNDARY HAS SLOWLY SUNK SOUTHWARD EARLY THIS MORNING... EXTENDING FROM SFC LOW OVER NORTH CENTRAL KS...TO SOUTHWEST IOWA THEN INTO EASTERN MO AND SOUTHERN ILLINOIS. FOR TODAY...BEST CHANCES OF PCPN WILL STILL BE EASTERN SECTIONS... BUT COULD SEE ISOLATED/SCATTERED ACTIVITY CWA WIDE AS THERE ARE PLENTY OF OUTFLOW BOUNDARIES AND INSTABILITY IS EXPECTED TO INCREASE AS THE DAY PROGRESSES...TRIGGERING STORMS. HIGH TEMPS WILL BE TRICKY TODAY...ESPECIALLY WHERE THE RAIN FALLS. FOR NOW HAVE LOW 80S N AND NE...AND UPPER 80S IN THE FAR SOUTHERN SECTIONS. BY TONIGHT...FRONTAL BOUNDARY WILL HAVE SAGGED A LITTLE FURTHER SOUTH INTO CWA...AND WILL BE FOCUSING MECHANISM FOR POSSIBLE MCS DEVELOPMENT...WITH BEST CHANCES OVER NORTHERN MO AND CENTRAL IL TONIGHT THROUGH SUNDAY...BEFORE TAPERING OFF SUNDAY NIGHT. SOME CONCERN ABOUT SEVERE TRWS THROUGH THE PERIOD...BUT SHOULD BE ISOLATED IN NATURE...AND SPC HAS ELIMINATED THE SLIGHT RISK AREA OVER US...JUST A SEE TEXT MENTION. BY LATE SUNDAY...SFC RIDGE TO OUR EAST TO BACKBUILD INTO REGION WITH FRONTAL BOUNDARY WASHING OUT. WILL SEE DRY AND WARMER WEATHER FOR MONDAY...THEN MOISTURE AND INSTABILITY...MOVES BACK IN BEGINNING ON TUESDAY...WITH PCPN CHANCES FOR PORTIONS OF CWA TUESDAY THROUGH THURSDAY...BUT CONFIDENCE ON EXTENDED MODEL/S HANDLING OF IT IS NOT GREAT. SO ONLY MINOR ADJUSTMENTS MADE TO THE EXTENDED AT THIS TIME. BYRD && .AVIATION... FOR THE 18Z TAFS...UPR LEVEL LOW WL SAG S TO SW ACRS THE AREA. LOOKS LIKE AREA OF TSRA WL MOVE THRU STL AREA BY 20 - 21Z. ALSO CONCERNED WITH STATUS MOVG S FROM IA INTO UIN. A REPEAT OF THIS MONING LOOKS LIKELY. WILL ALSO LIKELY NEED SOME FOG IN STL AND SUS DUE TO THE RAIN THIS AFTERNOON. && .LSX WATCHES/WARNINGS/ADVISORIES... MO...NONE. IL...NONE. && WFO LSX
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 509 AM CDT SAT JUN 23 2007 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-241200- GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL- MARION IL-WASHINGTON IL-RANDOLPH IL-ADAMS IL-BROWN IL-PIKE IL- CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-KNOX-LEWIS- SHELBY-MARION-MONROE-RALLS-PIKE-BOONE-AUDRAIN-MONITEAU-COLE-OSAGE- CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-ST. CHARLES-FRANKLIN- ST. LOUIS-ST. LOUIS CITY-JEFFERSON-CRAWFORD-WASHINGTON- ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON-REYNOLDS- 509 AM CDT SAT JUN 23 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN AND CENTRAL MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE POSSIBLE TODAY...MAINLY ALONG AND NORTH OF THE INTERSTATE 70 CORRIDOR. BY TONIGHT...THUNDERSTORMS CAN BE EXPECTED FURTHER SOUTH AS THE FRONTAL BOUNDARY SINKS SOUTH ACROSS THE REGION. SOME OF THESE STORMS MAY BE STRONG TO SEVERE AND MAY ALSO PRODUCE LOCALLY HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THE CHANCE FOR THUNDERSTORMS WILL PERSIST INTO SUNDAY...AS A FRONTAL BOUNDARY WAVERS ACROSS THE MIDDLE MISSISSIPPI VALLEY. SOME OF THESE STORMS MAY BE STRONG TO SEVERE AND MAY ALSO PRODUCE LOCALLY HEAVY RAINFALL. ADDITIONAL SHOWERS AND THUNDERSTORMS ARE POSSIBLE WEDNESDAY THROUGH THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT. BYRD
The St Louis radar (KLSX), 120 km away, was scanning. The volume nearest the first event began at 20:31 UTC.
1 thunderstorm wind. Local standard time, as filed.
Thunderstorm wind gusts caused scattered damage across Greenville. Some large tree limbs and power lines were down, a couple of storage sheds were blown over, and a couple of backyard playgrounds were damaged.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2007Every state in 2007This day in weather historyWarnings in Illinois, June 2007
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 45626.