Alert archive / Illinois / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 170, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Aug 13, 2010, 6:37 PM CDT for Morgan County, Scott County, Illinois. It was in force for 53 min. 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 13, 2010, 6:37 PM CDT (23:37 UTC)
- Expired
- Aug 13, 2010, 7:30 PM CDT
- In force
- 53 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Morgan County, IL, Scott County, IL
The radar
The Lincoln radar (KILX), 100 km from the middle of the area, began a volume at 23:37 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 13, 2:14 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 11.6 hours before the alert went out and 216 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
- 2050 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 895 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Aug 13, 6:24 PM CDT, 13 minutes earlier.
Area forecast discussion, Aug 13, 6:24 PM CDT, 13 minutes before
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</html>Hazardous weather outlook, Aug 13, 3:16 PM CDT, 3 hours 21 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LINCOLN IL 316 PM CDT FRI AUG 13 2010 ILZ027>030-036-040-141100- FULTON-KNOX-MARSHALL-PEORIA-SCHUYLER-STARK- 316 PM CDT FRI AUG 13 2010 ...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...FLASH FLOOD WATCH IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH 7 AM SATURDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS...NORTHWEST OF THE ILLINOIS RIVER. .DAY ONE...TONIGHT A LINE OF THUNDERSTORMS WILL PUSH ACROSS THE AREA THIS EVENING. DAMAGING WINDS ARE POSSIBLE WITH THESE STORMS. HEAVY RAIN IS LIKELY...AND MAY CAUSE FLASH FLOODING...ESPECIALLY IN AREAS THAT WERE HARD HIT WITH HEAVY RAIN EARLIER IN THE WEEK. HEAT INDEX VALUES OF 100 TO 105 DEGREES ARE LIKELY EARLY THIS EVENING...UNTIL THE STORMS ARRIVE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY SCATTERED THUNDERSTORMS WILL CONTINUE SATURDAY AND EARLY SATURDAY EVENING...AS A COLD FRONT MOVES ACROSS THE THE AREA. SOME OF THE STORMS MAY PRODUCE GUSTY WINDS...BUT WIDESPREAD SEVERE WEATHER IS CURRENTLY NOT EXPECTED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL BE REQUIRED THIS EVENING...BEGINNING AROUND 5 PM. ILZ031-037-038-041-141100- MASON-MCLEAN-TAZEWELL-WOODFORD- 316 PM CDT FRI AUG 13 2010 ...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS. .DAY ONE...TONIGHT A LINE OF THUNDERSTORMS WILL PUSH ACROSS THE AREA THIS EVENING. DAMAGING WINDS ARE POSSIBLE WITH THESE STORMS. HEAVY RAIN IS ALSO POSSIBLE. HEAT INDEX VALUES OF 100 TO 105 DEGREES ARE LIKELY EARLY THIS EVENING...UNTIL THE STORMS ARRIVE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY SCATTERED THUNDERSTORMS WILL CONTINUE SATURDAY AND EARLY SATURDAY EVENING...AS A COLD FRONT MOVES ACROSS THE THE AREA. SOME OF THE STORMS MAY PRODUCE GUSTY WINDS...BUT WIDESPREAD SEVERE WEATHER IS CURRENTLY NOT EXPECTED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS LIKELY THIS EVENING...MAINLY AFTER 7 PM. ILZ042-043-047>053-141100- CASS-CHRISTIAN-DE WITT-LOGAN-MACON-MENARD-MORGAN-SANGAMON-SCOTT- 316 PM CDT FRI AUG 13 2010 ...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM CDT SATURDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS. .DAY ONE...TONIGHT HEAT INDEX VALUES OF 100 TO 110 DEGREES ARE LIKELY THROUGH EARLY EVENING. SCATTERED THUNDERSTORMS ARE EXPECTED TO MOVE INTO THE AREA THIS EVENING. THERE IS A SLIGHT RISK THAT THESE STORMS WILL BECOME SEVERE...WITH DAMAGING WINDS AND HEAVY RAIN THE PRIMARY THREATS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THE EXCESSIVE HEAT AND HUMIDITY WILL CONTINUE INTO SATURDAY. HEAT INDEX VALUES OF 100 TO 105 DEGREES ARE LIKELY DURING THE AFTERNOON. SCATTERED THUNDERSTORMS ARE AGAIN EXPECTED SATURDAY AND SATURDAY EVENING...AS A COLD FRONT MOVES ACROSS THE THE AREA. SOME OF THE STORMS MAY PRODUCE GUSTY WINDS...BUT WIDESPREAD SEVERE WEATHER IS CURRENTLY NOT EXPECTED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS EVENING...MAINLY AFTER 6 PM. ILZ044>046-054>057-061-141100- CHAMPAIGN-COLES-DOUGLAS-EDGAR-MOULTRIE-PIATT-SHELBY-VERMILION- 316 PM CDT FRI AUG 13 2010 ...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM CDT SATURDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL ILLINOIS. .DAY ONE...TONIGHT HEAT INDEX VALUES OF 100 TO 110 DEGREES ARE LIKELY THROUGH EARLY EVENING. THUNDERSTORMS ARE EXPECTED TO MOVE INTO THE AREA LATER THIS EVENING...THROUGH THE OVERNIGHT HOURS. AT THE PRESENT TIME...THE SEVERE WEATHER THREAT IS EXPECTED TO REMAIN FURTHER WEST. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THE EXCESSIVE HEAT AND HUMIDITY WILL CONTINUE INTO SATURDAY. HEAT INDEX VALUES OF 100 TO 105 DEGREES ARE LIKELY DURING THE AFTERNOON AND EARLY EVENING. A COLD FRONT WILL MOVE ACROSS EAST CENTRAL ILLINOIS SATURDAY AFTERNOON. SCATTERED THUNDERSTORMS ARE POSSIBLE SATURDAY AND SATURDAY NIGHT. WHILE SOME OF THE STORMS MAY PRODUCE GUSTY WINDS...WIDESPREAD SEVERE WEATHER IS CURRENTLY NOT EXPECTED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT. ILZ062-063-066>068-071>073-141100- CLARK-CLAY-CRAWFORD-CUMBERLAND-EFFINGHAM-JASPER-LAWRENCE-RICHLAND- 316 PM CDT FRI AUG 13 2010 ...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM CDT SATURDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST ILLINOIS. .DAY ONE...TONIGHT HEAT INDEX VALUES OF 100 TO 110 DEGREES ARE LIKELY THROUGH EARLY EVENING. THUNDERSTORMS WILL BE POSSIBLE ACROSS THE AREA...MAINLY AFTER MIDNIGHT. THESE ARE NOT EXPECTED TO BE SEVERE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THE EXCESSIVE HEAT AND HUMIDITY WILL CONTINUE INTO SATURDAY. HEAT INDEX VALUES OF AROUND 105 DEGREES ARE LIKELY DURING THE AFTERNOON AND EARLY EVENING. A COLD FRONT WILL MOVE ACROSS SOUTHEAST ILLINOIS SATURDAY AFTERNOON AND EVENING. SCATTERED THUNDERSTORMS ARE POSSIBLE WITH THIS FRONTAL PASSAGE. WHILE SOME OF THE STORMS MAY PRODUCE GUSTY WINDS...WIDESPREAD SEVERE WEATHER IS CURRENTLY NOT EXPECTED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT. GEELHART
In the hours before
Local storm report, Aug 13, 5:19 PM CDT, 1 hour 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
519 PM CDT FRI AUG 13 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0500 PM TSTM WND GST KNOXVILLE 40.91N 90.29W
08/13/2010 M55 MPH KNOX IL MESONET
&&
JANKOWSKILocal storm report, Aug 13, 5:33 PM CDT, 1 hour 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
533 PM CDT FRI AUG 13 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0532 PM TSTM WND GST ELMWOOD 40.78N 89.97W
08/13/2010 E60 MPH PEORIA IL EMERGENCY MNGR
&&
JANKOWSKISpecial weather statement, Aug 13, 5:59 PM CDT, 38 minutes before
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</html>Local storm report, Aug 13, 6:01 PM CDT, 36 minutes before
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</html>Local storm report, Aug 13, 6:05 PM CDT, 32 minutes before
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</html>The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 11:48 AM CDT | Flash Flood Watch | ILX | Fulton, Knox, Marshall, Peoria, Schuyler, Stark | 16 hr |
| Aug 13, 4:55 PM CDT | Special Weather Statement | ILX | Fulton, Knox, Schuyler | 65 min |
| Aug 13, 5:09 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox, Peoria, Stark | 66 min |
| Aug 13, 5:22 PM CDT | Areal Flood Advisory | ILX | Schuyler | 3 hr |
| Aug 13, 5:23 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Schuyler | 67 min |
| Aug 13, 5:54 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason, Peoria, Tazewell, Woodford | 51 min |
| Aug 13, 5:59 PM CDT | Special Weather Statement | ILX | Cass, Mason, Menard | 61 min |
| Aug 13, 6:06 PM CDT | Special Weather Statement | ILX | Marshall | 39 min |
| Aug 13, 6:31 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, McLean, Mason, Menard, Tazewell | 44 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2010Every severe thunderstorm 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.