A weak upper level disturbance in a fast west-northwest flow resulted in showers and isolated thunderstorms across parts of central and southeast Illinois late in the evening of June 12th into the early morning of June 13th. Around 1130 PM LST, one thunderstorm produced a lightning strike which damaged several facilities in Robinson, including the Crawford County 9-1-1 center.
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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 ILX wrote it up.
A weak upper level disturbance in a fast west-northwest flow resulted in showers and isolated thunderstorms across parts of central and southeast Illinois late in the evening of June 12th into the early morning of June 13th. Around 1130 PM LST, one thunderstorm produced a lightning strike which damaged several facilities in Robinson, including the Crawford County 9-1-1 center.
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 Lincoln, IL wrote its last area forecast discussion before the first event at Jun 12, 10:33 PM CST, 57 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LINCOLN IL 1133 PM CDT SUN JUN 12 2011 .DISCUSSION... ISSUED 900 PM CDT SUN JUN 12 2011 THE INITIAL SHORTWAVE HAS PRODUCED SOME LIGHT SHOWERS/SPRINKLES ACROSS OUR AREA THIS EVENING...AND IT SEEMS TO HAVE ENOUGH MOISTURE AND LIFT TO KEEP GOING THROUGH THE REMAINDER OF OUR EASTERN COUNTIES. HAVE EXPANDED THE COVERAGE OF SPRINKLES IN THE GRIDS TO THE INDIANA BORDER. INCREASED CLOUD COVERAGE FOR THIS EVENING AND WORKED IN SOME LIGHT CLEARING TOWARD MIDNIGHT BEHIND THE SPRINKLES. WE STILL EXPECT SOME REDEVELOPMENT OF SHOWERS/STORMS WEST OF US AFTER MIDNIGHT. IT MAY REACH OUR FAR SW ZONES BY 12Z...SO WE KEPT THE SMALL AREA OF POPS IN THE SW. TEMPS MAY BE SLIGHTLY WARMER FOR A TIME UNDER THE EVENING CLOUDS...BUT SOME CLEARING AROUND MIDNIGHT SHOULD ALLOW LOWS TO DROP NEAR FORECAST READINGS. UPDATED INFO WILL BE AVAILABLE SHORTLY. SHIMON && .AVIATION... ISSUED 1133 PM CDT SUN JUN 12 2011...FOR THE 06Z TAFS A BAND OF SPRINKLES CONTINUE TO PROGRESS EAST ACROSS THE TAF SITES. THE MID LEVEL CLOUDS HAVE ENOUGH VERTICAL MOTIONS TO CAUSE PRECIP TO REACH THE GROUND THROUGH SOME VERY DRY AIR. THE DRY AIR IS AT LEAST PREVENTING MEASURABLE RAIN. THE NEXT WAVE OF SHOWERS APPEARS TO BE ARRIVING LATER THAN 12Z. WE MOST LIKELY WILL NOT SEE ANY PRECIPITATION AGAIN UNTIL AFTER 06Z MONDAY NIGHT...AFTER THE EFFECTIVE PERIOD OF THESE TAFS. WILL INCLUDE A VCTS AT PIA/SPI AT 05Z...BUT JUST TO SHOW TRENDS. CONFIDENCE IS LOW THAT ANYTHING WILL OCCUR THIS FAR EAST...THAT EARLY MONDAY NIGHT. WINDS WILL REMAIN EAST THROUGH THE TAF PERIOD...AS A STATIONARY FRONT CONTINUES TO PERSIST JUST SOUTH OF ILLINOIS TO SOUTHERN KANSAS. SHIMON && .PREV DISCUSSION... ISSUED 302 PM CDT SUN JUN 12 2011 COMPLEX AND ACTIVE WEATHER PATTERN IN PLACE OVER THE MIDWEST AND EXPECTING THIS TO REMAIN THROUGH THE WEEK...AFFECTING CURRENT AND LATER FORECASTS. SHORT TERM MODELS LOOK CLOSE AND ALL SEEM TO POINT TO SAME WEATHER SCENARIO PLAYING OUT...AT LEAST OVER NEXT COUPLE OF DAYS. THERE ARE SOME DIFFERENCES IN TIMING OF THE DETAILS IN THE MODELS...BUT CLOSE ENOUGH TO DEAL WITH AT THIS TIME. A BLEND OF THE MODELS/SREF LOOKS GOOD IN THE SHORT AND LONG TERMS FOR THIS FORECAST PACKAGE. CHALLENGES THIS FORECAST REVOLVE AROUND PCPN CHANCES THROUGH THE ENTIRE FORECAST PACKAGE. SHORT TERM...TONIGHT THROUGH WEDNESDAY NIGHT SFC CHART SHOWS HIGH PRSS CENTERED OVER WI CURRENTLY DOMINATING THE WEATHER OVER THE AREA THIS AFTERNOON WITH A WARM FRONT WELL SOUTH AND WEST OF THE STATE. THIS HI PRSS WILL VERY SLOWLY MOVE EAST KEEPING EASTERLY FLOW IN CENTRAL ILLINOIS INTO THE BEGINNING OF NEXT WEEK. MODEL PARAMETERS FORECAST AN MCS ENVIRONMENT DEVELOPING OVERNIGHT IN THE PLAINS...WITH THE LOW LEVEL JET/850 AND 700 OMEGA/MOISTURE CONVERGENCE/UPPER LEVEL DIVERGENCE ALL POINTING TO THE CENTRAL NEB/NRN KS AREA OVERNIGHT. STORM MOTION WILL BE TO THE SOUTHEAST INTO PARTS OF KS/MO BY MORNING. SO BELIEVE WESTERN CENTRAL IL SHOULD BE VOID OF PCPN OVERNIGHT AND TOMORROW MORNING. HOWEVER...CHC OF PCPN IN EXTREME SOUTHWEST PARTS OF CWA AFTER MIDNIGHT SHOULD BE OK FOR NOW. THE OUTFLOW FROM THESE STORMS WILL BE THE FOCUS OF ADDITIONAL THUNDERSTORMS TOMORROW AFTERNOON...MAINLY. BUT HAVE INCLUDED MORNING PERIOD TOO IN CASE AN ELEVATED STORM DEVELOPS IN THE WEST IN THE MORNING. MODELS THEN INDICATE ANOTHER MCS DEVELOPING CLOSER TO THE CWA...IN THE SERN IOWA/NERN MO/WC IL AREA TOMORROW NIGHT AROUND MIDNIGHT. EASTWARD PROGRESS OF THIS WILL STILL BE HAMPERED BY THE HIGH PRSS SITTING OVER THE GRT LKS REGION. HOWEVER...BELIEVE MCS WILL DEVELOP AND SPREAD LOTS OF PCPN OVER THE WESTERN HALF OF THE CWA LATE MON NIGHT AND INTO TUESDAY. SO HAVE INCREASED POPS TO LIKELY FOR LATE TOMORROW NIGHT. CHC POPS WILL HAVE TO BE KEPT FOR TUE AND TUE NIGHT...GIVEN THE HIGH UNCERTAINTY IN THE SFC FEATURES AFTER TWO MCSS THE NEXT COUPLE OF DAYS. MODELS CONTINUE TO SHOW PCPN THROUGH WED NIGHT BUT MODELS HAVING TROUBLE WITH TIMING OF THIS NEXT PCPN EVENT. A LOW PRSS AREA WILL MOVE ACROSS THE CWA AND SPREAD ADDITIONAL PCPN FOR WED AND WED NIGHT. WILL KEEP POPS IN HIGH CHC CATEGORY...BUT BELIEVE LIKELY WILL BE WARRANTED BY TOMORROW...AS NAM APPEARS TO BE SOMEWHAT CONSISTENT IN ITS TIMING OF THE PCPN. GFS LOOKS LITTLE SLOWER. NAM SHOWS THE SYSTEM RESULTING IN A INVERTED TROUGH OVER THE AREA WHILE THE GFS SHOWS SOMETHING SIMILAR BUT NOT CLOSE ENOUGH TO WARRANT HIGH POPS AT THIS TIME. INCREASING CLOUD COVER AND PCPN NEXT SEVERAL DAYS WILL KEEP TEMPS IN CHECK. HOWEVER...ANY SUNSHINE FOR A FEW HOURS WILL CAUSE TEMPS TO SPIKE UP. FOLLOWED CLOSE TO GUIDANCE THROUGH THE PERIOD. LONG TERM...THURSDAY THROUGH SUNDAY INITIAL THINKING IS THAT PCPN CHANCES WILL CONTINUE FOR THURSDAY AS THE LOW PRSS AREA MOVES EAST OF THE AREA. THEN FORECAST IS FOR DRY WEATHER THUR NIGHT AND FRI. MODELS DIFFER ON THIS DRY TIMING BUT THIS WILL BE THE FORECAST FOR NOW UNTIL MODELS GET BETTER HANDLE ON WHAT MIGHT BE OCCURRING IN THE FUTURE. UPPER LEVEL TROUGH/LOW PRSS AREA WILL REMAIN AROUND THE AREA FOR THE END OF THE WEEK AND INTO THE WEEKEND...WITH A FRONTAL SYSTEM TO THE SOUTH. THIS WILL BECOME THE FOCUS FOR MORE PCPN FRIDAY NIGHT THROUGH SUNDAY. SOUTHERN HALF OF CWA WILL BE THE FOCUS AT FIRST BUT THEN SPREADING BACK NORTHWARD FOR SAT NIGHT AND SUNDAY. SO CHC POPS FOR END OF THE WEEK AND INTO THE WEEKEND. TEMPS WILL BE WARMER WITH MORE SUNSHINE AND SOUTHERLY WINDS RETURNING. THINK GUIDANCE NUMBERS IN THE SOUTHEAST ARE TOO HIGH. AUTEN && .ILX WATCHES/WARNINGS/ADVISORIES... NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LINCOLN IL 300 PM CDT SUN JUN 12 2011 ILZ027>031-037-038-043>046-055-057-131100- CHAMPAIGN-DE WITT-DOUGLAS-EDGAR-KNOX-MARSHALL-MCLEAN-PEORIA-PIATT- STARK-TAZEWELL-VERMILION-WOODFORD- 300 PM CDT SUN JUN 12 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS AND EAST CENTRAL ILLINOIS. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY AN ADVANCING WARM FRONT WILL SERVE AS THE FOCUS FOR PERIODIC THUNDERSTORM DEVELOPMENT MONDAY THROUGH WEDNESDAY. AS AN UPPER LEVEL DISTURBANCE INTERACTS WITH THE FRONT...A CLUSTER OF STRONG TO SEVERE THUNDERSTORMS IS EXPECTED TO TRACK SOUTHEASTWARD ACROSS PARTS OF CENTRAL ILLINOIS MONDAY NIGHT INTO EARLY TUESDAY MORNING. DAMAGING WINDS AND HEAVY RAINFALL WILL BE THE MAIN THREATS FROM THE STORMS. AT THIS TIME...IT APPEARS THE STRONGEST STORMS MONDAY NIGHT WILL REMAIN SOUTHWEST OF THE I-74 CORRIDOR. ADDITIONAL STORMS WILL DEVELOP TUESDAY AND WEDNESDAY AS THE FRONT REMAINS IN THE VICINITY. IT IS STILL TOO EARLY TO DETERMINE THE EXACT SEVERE WEATHER THREAT...IF ANY...FROM THESE STORMS. FLOODING WILL CONTINUE ALONG THE ILLINOIS RIVER FOR THE NEXT SEVERAL DAYS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT. ILZ036-040>042-047>054-056-061-131100- CASS-CHRISTIAN-COLES-FULTON-LOGAN-MACON-MASON-MENARD-MORGAN- MOULTRIE-SANGAMON-SCHUYLER-SCOTT-SHELBY- 300 PM CDT SUN JUN 12 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS AND EAST CENTRAL ILLINOIS. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY AN ADVANCING WARM FRONT WILL SERVE AS THE FOCUS FOR PERIODIC THUNDERSTORM DEVELOPMENT MONDAY THROUGH WEDNESDAY. AS AN UPPER LEVEL DISTURBANCE INTERACTS WITH THE FRONT...A CLUSTER OF STRONG TO SEVERE THUNDERSTORMS IS EXPECTED TO TRACK SOUTHEASTWARD ACROSS PARTS OF CENTRAL ILLINOIS MONDAY NIGHT INTO EARLY TUESDAY MORNING. DAMAGING WINDS AND HEAVY RAINFALL WILL BE THE MAIN THREATS FROM THE STORMS. ADDITIONAL STORMS WILL DEVELOP TUESDAY AND WEDNESDAY AS THE FRONT REMAINS IN THE VICINITY. IT IS STILL TOO EARLY TO DETERMINE THE EXACT SEVERE WEATHER THREAT...IF ANY...FROM THESE STORMS. FLOODING WILL CONTINUE ALONG THE ILLINOIS RIVER FOR THE NEXT SEVERAL DAYS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT. ILZ062-063-066>068-071>073-131100- CLARK-CLAY-CRAWFORD-CUMBERLAND-EFFINGHAM-JASPER-LAWRENCE-RICHLAND- 300 PM CDT SUN JUN 12 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL ILLINOIS AND SOUTHEAST ILLINOIS. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY AN ADVANCING WARM FRONT WILL SERVE AS THE FOCUS FOR PERIODIC THUNDERSTORM DEVELOPMENT MONDAY THROUGH WEDNESDAY. AS AN UPPER LEVEL DISTURBANCE INTERACTS WITH THE FRONT...A CLUSTER OF STRONG TO SEVERE THUNDERSTORMS IS EXPECTED TO TRACK SOUTHEASTWARD ACROSS PARTS OF CENTRAL ILLINOIS MONDAY NIGHT INTO EARLY TUESDAY MORNING. DAMAGING WINDS AND HEAVY RAINFALL WILL BE THE MAIN THREATS FROM THE STORMS. ADDITIONAL STORMS WILL DEVELOP TUESDAY AND WEDNESDAY AS THE FRONT REMAINS IN THE VICINITY. IT IS STILL TOO EARLY TO DETERMINE THE EXACT SEVERE WEATHER THREAT...IF ANY...FROM THESE STORMS. FLOODING WILL SUBSIDE ALONG THE WABASH RIVER BY TUESDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT. BARNES
The Evansville,IN radar (KVWX), 82 km away, was scanning. The volume nearest the first event began at 05:28 UTC.
1 lightning. Local standard time, as filed.
Lightning strikes from an isolated thunderstorm produced damage to electrical equipment and computers at the Crawford County 9-1-1 center, and at several nearby businesses and a church.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2011Every state in 2011This day in weather historyWarnings in Illinois, June 2011
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: 329283.