Alert archive / Illinois / Excessive Heat Warnings in 2010
Excessive Heat Warning 2, NWS Lincoln, IL
NWS Lincoln, IL issued this excessive heat warning at Aug 3, 2010, 12:40 PM CDT for 24 counties in Illinois. It took effect at Aug 3, 2010, 1:00 PM CDT. It was in force for 6 hr. 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 3, 2010, 12:40 PM CDT (17:40 UTC)
- In effect from
- Aug 3, 2010, 1:00 PM CDT
- Expired
- Aug 3, 2010, 7:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Lincoln, IL
All 24 counties
Cass County, IL, Christian County, IL, Clark County, IL, Clay County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, Douglas County, IL, Edgar County, IL, Effingham County, IL, Fulton County, IL, Jasper County, IL, Lawrence County, IL, Logan County, IL, Macon County, IL, Mason County, IL, Menard County, IL, Morgan County, IL, Moultrie County, IL, Richland County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Shelby County, IL
The radar
The Lincoln radar (KILX), 73 km from the middle of the area, began a volume at 17:39 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.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 5.7 hours before the alert went out and 434 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 252 J/kg
- Mixed-layer CIN
- -164 J/kg
- Mixed-layer LCL
- 1185 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this excessive heat warning went out, 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 this excessive heat warning went out at Aug 3, 10:23 AM CDT, 2 hours 17 minutes earlier.
Area forecast discussion, Aug 3, 10:23 AM CDT, 2 hours 17 minutes before
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</html>Hazardous weather outlook, Aug 3, 12:00 PM CDT, 40 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LINCOLN IL 1200 PM CDT TUE AUG 3 2010 ILZ027>031-036>038-043>046-041100- CHAMPAIGN-DE WITT-FULTON-KNOX-MARSHALL-MCLEAN-PEORIA-PIATT-STARK- TAZEWELL-VERMILION-WOODFORD- 1200 PM CDT TUE AUG 3 2010 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT WEDNESDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS AND EAST CENTRAL ILLINOIS. .DAY ONE...THIS AFTERNOON AND TONIGHT HOT AND VERY HUMID CONDITIONS WILL PREVAIL TODAY. AFTERNOON HEAT INDICES ARE EXPECTED TO RANGE FROM 100 TO 105 DEGREES. ISOLATED THUNDERSTORMS ARE POSSIBLE ALONG AND NORTH OF I-74 THIS AFTERNOON...NEAR A STATIONARY FRONTAL BOUNDARY DRAPED ACROSS NORTHERN ILLINOIS. ADDITIONAL THUNDERSTORMS MAY DEVELOP ALONG THE FRONT LATER TONIGHT...AS AN UPPER-LEVEL DISTURBANCE TRACKS THROUGH THE AREA. FREQUENT LIGHTNING...GUSTY WINDS...AND LOCALLY HEAVY RAINFALL WILL BE POSSIBLE WITH THE STORMS TONIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY HOT AND HUMID CONDITIONS WILL CONTINUE INTO WEDNESDAY...WITH AFTERNOON HEAT INDICES ONCE AGAIN RISING ABOVE THE 100 DEGREE MARK. PERIODS OF THUNDERSTORMS WILL OCCUR WEDNESDAY AND WEDNESDAY NIGHT...AS A COLD FRONT DROPS SLOWLY SOUTHWARD THROUGH THE REGION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED AFTER MIDNIGHT TONIGHT. ILZ040>042-047>057-061>063-041100- CASS-CHRISTIAN-CLARK-COLES-CUMBERLAND-DOUGLAS-EDGAR-LOGAN-MACON- MASON-MENARD-MORGAN-MOULTRIE-SANGAMON-SCHUYLER-SCOTT-SHELBY- 1200 PM CDT TUE AUG 3 2010 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT WEDNESDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS AND EAST CENTRAL ILLINOIS. .DAY ONE...THIS AFTERNOON AND TONIGHT HOT AND VERY HUMID CONDITIONS WILL PREVAIL TODAY. AFTERNOON HEAT INDICES ARE EXPECTED TO RANGE FROM 102 TO 107 DEGREES. SCATTERED THUNDERSTORMS MAY DEVELOP LATE TONIGHT...AS AN UPPER-LEVEL DISTURBANCE TRACKS THROUGH THE AREA. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY HOT AND HUMID CONDITIONS WILL CONTINUE INTO WEDNESDAY...WITH AFTERNOON HEAT INDICES ONCE AGAIN RISING ABOVE THE 100 DEGREE MARK. PERIODS OF THUNDERSTORMS WILL OCCUR WEDNESDAY AND THURSDAY...AS A COLD FRONT DROPS SLOWLY SOUTHWARD THROUGH THE REGION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT. ILZ066>068-071>073-041100- CLAY-CRAWFORD-EFFINGHAM-JASPER-LAWRENCE-RICHLAND- 1200 PM CDT TUE AUG 3 2010 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT WEDNESDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST ILLINOIS. .DAY ONE...THIS AFTERNOON AND TONIGHT HOT AND VERY HUMID CONDITIONS WILL PREVAIL TODAY. AFTERNOON HEAT INDICES ARE EXPECTED TO RANGE FROM 105 TO 110 DEGREES. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY HOT AND VERY HUMID CONDITIONS WILL DEVELOP AGAIN ON WEDNESDAY. AFTERNOON HEAT INDICES ARE EXPECTED TO RANGE FROM 105 TO 110 DEGREES. THERE WILL BE A CHANCE FOR THUNDERSTORMS ON WEDNESDAY AND THURSDAY...AS A FRONTAL BOUNDARY SINKS SLOWLY SOUTHWARD THROUGH THE REGION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT. BARNES
Nearby
Excessive Heat Warnings in Illinois, 2010Every excessive heat warning in 2010
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.