A weak upper-level disturbance interacting with a warm and humid airmass triggered widely scattered thunderstorms during the late afternoon of June 1st. A few of the cells produced quarter-sized hail and gusty winds.
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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 interacting with a warm and humid airmass triggered widely scattered thunderstorms during the late afternoon of June 1st. A few of the cells produced quarter-sized hail and gusty winds.
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 1, 1:47 PM CST, 58 minutes earlier.
Area Forecast Discussion National Weather Service Lincoln IL 247 PM CDT Sun Jun 1 2014 .DISCUSSION... ISSUED 247 PM CDT Sun Jun 1 2014 Models again look very similar with overall pattern in the upper levels and with sfc features, over the next several days. The differences in the models have to do with the timing and location of the qpf tonight through early next week. Main concern with the multiple chances of pcpn through the forecast period and when/where there will be some dry weather in this forecast. SHORT TERM...Tonight through Wednesday Scattered thunderstorms will be ongoing early this evening, but are diurnal and should dissipate later this evening, leaving a dry forecast with partly cloudy skies. High dewpoint air will be around tomorrow, like today, in advance of a cold front approaching from the northwest. With cwa being in the warm/moisture sector just ahead of the front, pcpn appears likely for tomorrow, across the who area. The front will move close to the area tomorrow night, but not get into the cwa until Tue morning. As pcpn moves through the area tomorrow, pops will become chance category tomorrow night and then become dry for Tuesday. As the cold front begins to lift back north as a warm front, a low pressure area will develop out west and be the focus for a thunderstorm complex Tue night over eastern Neb/western Iowa. This complex of storms will approach the area late Tue evening and then reach into the area after midnight Tue night and remain over the area through Wed morning. So looking at likely pops for late Tue night through Wed morning over the cwa. Models then differ on what things will look like rest of Wed over the area, but will be keeping likely and chc pops for the day. Will be interesting to see what the mode of convection will be late Tue night through Wed morning. Temps will remain in the 80s next two days ahead of the frontal system, and then get cooler for Wed, though still warm in the south/southeast parts of the cwa. LONG TERM...Wednesday night through Sunday Depending on the speed of the system for Wed/Wed night, pcpn will likely linger in the southeast Wed night. So will keep likely pops in the southeast Wed night. The front now looks to push south of the area, but will be keeping chc pops in across the southern half of the area Thur through Friday. The finally a dry period in the forecast for Fri night and Sat before the next system moves into the area with more pcpn, for Sat night and Sun. Temps through the extended period will be on the cooler side as the front slides south of the area and winds will be out of the north to northeast. Auten && .AVIATION... ISSUED 100 PM CDT Sun Jun 1 2014 Showers and storms are quickly increasing in coverage, with all terminal sites expected to have storms at least within 5 miles. Lightning will not be frequent, but occasional lightning strikes are expected. VCTS was included through early evening in all TAFS. Tempos for MVFR ceilings and/or vis may be needed as stronger storms are observed approaching any TAF site. Will cover that as needed. Winds will remain S-SW at 12-15kt and gusty to 20-22kt at times. Little change in wind direction will occur over the next 24 hours as we remain in the warm sector. MVFR clouds are indicated in the forecast soundings for later tonight across most of central IL. In addition, storm chances are forecast to increase Monday morning. So MVFR ceilings at 1500 ft were added to all TAFs after 09z-10z, with a VCTS included after 15z. Shimon && .ILX WATCHES/WARNINGS/ADVISORIES... NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LINCOLN IL 233 PM CDT SUN JUN 1 2014 ILZ027>031-036>038-040>057-061>063-066>068-071>073-021100- CASS-CHAMPAIGN-CHRISTIAN-CLARK-CLAY-COLES-CRAWFORD-CUMBERLAND- DE WITT-DOUGLAS-EDGAR-EFFINGHAM-FULTON-JASPER-KNOX-LAWRENCE-LOGAN- MACON-MARSHALL-MASON-MCLEAN-MENARD-MORGAN-MOULTRIE-PEORIA-PIATT- RICHLAND-SANGAMON-SCHUYLER-SCOTT-SHELBY-STARK-TAZEWELL-VERMILION- WOODFORD- 233 PM CDT SUN JUN 1 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS...EAST CENTRAL ILLINOIS AND SOUTHEAST ILLINOIS. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED TO CONTINUE INTO EARLY EVENING. SEVERE WEATHER IS NOT EXPECTED. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THE THREAT FOR THUNDERSTORMS WILL CONTINUE ON A DAILY BASIS THROUGH THE END OF THE WEEK. SEVERE WEATHER MAY BE POSSIBLE LATER TUESDAY NIGHT AND WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT. SHIMON
The Evansville,IN radar (KVWX), 103 km away, was scanning. The volume nearest the first event began at 20:46 UTC.
1 thunderstorm wind, 1 hail. Local standard time, as filed.
Four power poles were broken at the top and several others were leaning along U.S. Highway 45 just north of the Clay-Effingham County line.
The hail was accompanied by wind gusts of up to 40 mph.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2014Every state in 2014This day in weather historyWarnings in Illinois, June 2014
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: 526987, 526985.