Scattered thunderstorms developed along a slow-moving cold front across southeast Illinois during the afternoon of July 8th. with the strongest cells impacting parts of Jasper and Lawrence counties.
Every event with a place to put it. Tap one for its entry below.
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.
Scattered thunderstorms developed along a slow-moving cold front across southeast Illinois during the afternoon of July 8th. Most of the storms occurred along and south of I-70...with the strongest cells impacting parts of Jasper and Lawrence counties. Minor wind damage was reported. In addition, locally heavy rainfall in excess of 2 inches occurred across southern Lawrence County just south of Sumner.
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 Jul 8, 11:26 AM CST, 1 hour 39 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LINCOLN IL 1226 PM CDT SUN JUL 8 2012 .DISCUSSION... ISSUED 1038 AM CDT SUN JUL 8 2012 COLD FRONT HAS SETTLED INTO SOUTHEAST ILLINOIS THIS MORNING...WITH 15Z SURFACE ANALYSIS SHOWING THE BOUNDARY JUST SOUTH OF I-70. WIDELY SCATTERED ELEVATED STORMS ARE BEGINNING TO DEVELOP WELL NORTH OF THE BOUNDARY FROM KANKAKEE SOUTHWESTWARD TO NEAR LINCOLN. THINK THIS GENERAL TREND WILL CONTINUE FOR THE BALANCE OF THE DAY...WITH GREATEST AREAL COVERAGE OF CONVECTION FOCUSING SOUTH OF THE I-72 CORRIDOR THIS AFTERNOON. CURRENT FORECAST HANDLES THIS WELL...SO DO NOT PLAN ON ANY UPDATES AT THIS TIME. && .AVIATION... ISSUED 1226 PM CDT SUN JUL 8 2012 PERSISTENT BAND OF CONVECTION WILL CONTINUE TO DEVELOP ALONG AND JUST NORTH OF I-72 FOR THE NEXT COUPLE OF HOURS. INDIVIDUAL CELLS HAVE BEEN MOVING TO THE E/NE...HOWEVER THE BAND ITSELF HAS REMAINED FAIRLY STATIONARY. WILL CONTINUE TO CLOSELY MONITOR RADAR TRENDS...BUT HAVE DECIDED TO INCLUDE VCTS THROUGH 21/22Z FOR THE I-72 TERMINALS. ONCE THESE STORMS PUSH FURTHER EAST/DISSIPATE...THUNDER CHANCES WILL COME TO AN END LATER THIS AFTERNOON. FURTHER NORTH...KPIA AND KBMI WILL REMAIN CONVECTION-FREE TODAY. WINDS WILL BE FROM THE N/NE AT 10 TO 15KT THROUGH THE AFTERNOON...THEN WILL DIMINISH TO LESS THAN 10KT TONIGHT INTO MONDAY MORNING. BARNES && .PREV DISCUSSION... ISSUED 317 AM CDT SUN JUL 8 2012 SHORT TERM...TODAY THROUGH WEDNESDAY NIGHT A FRONTAL BOUNDARY WAS PUSHING SOUTHWARD INTO SE IL NEAR I-70 EARLY THIS MORNING AND WILL GRADUALLY BRING COOLER AND LESS HUMID AIR INTO CENTRAL AND SE IL THE NEXT FEW DAYS. MOST OF CWA HAS BEEN DRY WITH FRONTAL PASSAGE SO FAR. TEMPS HAVE SLIPPED INTO THE LOWER 70S NORTH OF LINCOLN WITH DANVILLE DOWN TO 69F. TEMPS STILL IN THE UPPER 70S AND LOWER 80S FROM SPRINGFIELD TO TERRE HAUTE SOUTH. DEWPOINTS HAVE FALLEN INTO THE UPPER 50S AND LOWER 60S FROM PEORIA NORTH WHILE LOWER 70S FROM JACKSONVILLE TO TERRE HAUTE SOUTH. MODELS FAIRLY SIMILAR NEXT FEW DAYS AND WILL USE A BLEND. FRONTAL BOUNDARY TO SLOWLY SAG SOUTHWARD INTO SOUTHERN IL TODAY AND TO BECOME MORE ACTIVE WITH CONVECTION THIS AFTERNOON. ISOLATED SHOWERS AND THUNDERSTORMS THIS MORNING OVER CENTRAL IL WHILE GOOD CHANCES OF SHOWERS AND THUNDERSTORMS IN SE IL THIS AFTERNOON. SPC REMOVED THE SLIGHT RISK OF SEVERE STORMS THIS AFTERNOON UNTIL SUNSET SE OF I-70 BUT STILL HAVE 5% RISK OF LARGE HAIL AND DAMAGING WIND GUSTS FROM TAYLORVILLE TO PARIS SOUTH THIS AFTERNOON AND INTO MID EVENING. THIS MAINLY DUE TO UNSTABLE AIRMASS WITH CAPES OF 2500-4000 J/KG IN SE IL THIS AFTERNOON. HIGHS IN THE UPPER 80S AND LOWER 90S TODAY WITH LAWRENCEVILLE NEAR 95F. HEAT INDICES THIS AFTERNOON PEAK FROM 100-105 SE OF I-70 (ESPECIALLY FROM ROBINSON TO FLORA SOUTH). CONTINUED CHANCES OF CONVECTION IN SE IL TONIGHT AND SLIGHT CHANCE IN FAR SE IL MONDAY AS FRONTAL BOUNDARY CONTINUES TO PUSH FURTHER SOUTH OF AREA. HIGHS MONDAY IN THE UPPER 80S ACROSS THE AREA WITH DEWPOINTS SLIPPING INTO THE UPPER 50S AND LOWER 60S. WEAK CANADIAN HIGH PRESSURE SETTLING INTO THE MIDWEST NEXT FEW DAYS WILL RETURN TEMPS BACK CLOSER TO NORMAL WITH DRY WEATHER EXPECTED MUCH OF THIS WORK WEEK ACROSS CENTRAL IL. LONG TERM...THURSDAY THROUGH SATURDAY NIGHT FEW CHANGES MADE TO THE EXTENDED FORECAST AS BEST CHANCES OF SHOWERS AND THUNDERSTORMS LATE THIS WEEK WILL BE TO THE SE OVER THE OHIO RIVER VALLEY. HAVE 20-30% CHANCES OF CONVECTION SE OF I-55 SATURDAY. TEMPS APPEAR TO WARM BACK UP DURING THIS PERIOD BUT SHOULD NOT GET AS HOT AS THE HEAT WAVE WE RECENTLY HAD. KH && .ILX WATCHES/WARNINGS/ADVISORIES... NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LINCOLN IL 1135 AM CDT SUN JUL 8 2012 ILZ027>031-036>038-040-041-091100- FULTON-KNOX-MARSHALL-MASON-MCLEAN-PEORIA-SCHUYLER-STARK-TAZEWELL- WOODFORD- 1135 AM CDT SUN JUL 8 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT. ILZ042>057-061>063-091100- CASS-CHAMPAIGN-CHRISTIAN-CLARK-COLES-CUMBERLAND-DE WITT-DOUGLAS- EDGAR-LOGAN-MACON-MENARD-MORGAN-MOULTRIE-PIATT-SANGAMON-SCOTT- SHELBY-VERMILION- 1135 AM CDT SUN JUL 8 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS AND EAST CENTRAL ILLINOIS. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON. A FEW OF THE STORMS COULD PRODUCE GUSTY WINDS...SMALL HAIL...AND BRIEF HEAVY DOWNPOURS...HOWEVER SEVERE WEATHER IS NOT EXPECTED. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT. ILZ066>068-071>073-091100- CLAY-CRAWFORD-EFFINGHAM-JASPER-LAWRENCE-RICHLAND- 1135 AM CDT SUN JUL 8 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST ILLINOIS. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS ARE POSSIBLE THROUGH TONIGHT. SOME OF THE STORMS COULD BECOME SEVERE...WITH LARGE HAIL AND DAMAGING WINDS BEING THE PRIMARY THREATS. LOCALLY HEAVY RAINFALL IS ALSO POSSIBLE. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED BETWEEN 3 PM AND 10 PM. BARNES
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
205 PM CDT SUN JUL 08 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0200 PM TSTM WND GST MOUNT CARMEL AIRPORT 38.61N 87.73W
07/08/2012 M75 MPH LAWRENCE IL AWOS
RELAYED BY LAWRENCE CO EMA
&&
SHIMONThe Evansville,IN radar (KVWX), 40 km away, was scanning. The volume nearest the first event began at 19:05 UTC.
5 thunderstorm wind. Local standard time, as filed.
A tree was blown down 2 miles northwest of St. Francisville.
Tree limbs were blown down onto power lines on Billett Road south of Lawrenceville.
Power lines were blown down onto East 600th Avenue about 3 miles south of Newton.
A tree was blown down at the IL33/49 junction about 6 miles E/NE of Newton.
Trees were blown down...knocking out power in Chauncey.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2012Every state in 2012This day in weather historyWarnings in Illinois, July 2012
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: 393896, 393900, 393902, 393905, 393906.