Alert archive / Illinois / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 241, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jun 27, 2006, 3:33 PM CDT for Knox County, Illinois. It was in force for 42 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
- Jun 27, 2006, 3:33 PM CDT (20:33 UTC)
- Expired
- Jun 27, 2006, 4:15 PM CDT
- In force
- 42 min
- Issued by
- NWS Lincoln, IL
- Area
- Counties, with a storm outline in the text
County Knox County, IL
The radar
The Quad Cities radar (KDVN), 82 km from the middle of the area, began a volume at 20:34 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
Davenport, (KDVN), launched 12:00Z, 8.6 hours before the alert went out and 80 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
- 134 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 1314 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 37 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 Jun 27, 11:12 AM CDT, 4 hours 21 minutes earlier.
Area forecast discussion, Jun 27, 11:12 AM CDT, 4 hours 21 minutes before
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</html>Hazardous weather outlook, Jun 27, 11:41 AM CDT, 3 hours 52 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LINCOLN IL 1141 AM CDT TUE JUN 27 2006 ILZ027>031-036>038-040>057-061-281100- KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN- SCHUYLER-MASON-LOGAN-DE WITT-PIATT-CHAMPAIGN-VERMILION-CASS- MENARD-SCOTT-MORGAN-SANGAMON-CHRISTIAN-MACON-MOULTRIE-DOUGLAS- COLES-EDGAR-SHELBY- 1141 AM CDT TUE JUN 27 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS AND EAST CENTRAL ILLINOIS. .DAY ONE...THIS AFTERNOON AND TONIGHT A WEAK COLD FRONT... ALONG WITH ANOTHER SERIES OF UPPER LEVEL DISTURBANCES... WILL MOVE ACROSS AN UNSTABLE AIRMASS ACROSS THE REGION THIS AFTERNOON... RESULTING IN ANOTHER ROUND OF SCATTERED THUNDERSTORMS. WITH RATHER COLD AIR ALOFT... SOME OF THESE STORMS MAY BECOME SEVERE... CAPABLE OF PRODUCING LARGE HAIL. THE PRIMARY AREA OF CONCERN WILL BE WEST CENTRAL ILLINOIS... ESPECIALLY LOCATIONS ALONG AND WEST OF THE I-55 CORRIDOR THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY ANOTHER WEAK FRONT WILL MOVE INTO THE AREA ON WEDNESDAY...AND BRING ANOTHER ROUND OF THUNDERSTORMS TO CENTRAL AND EAST CENTRAL ILLINOIS. AT THIS TIME...THESE STORMS ARE NOT EXPECTED TO BECOME SEVERE. THE CHANCE FOR MORE THUNDERSTORMS WILL RETURN ON SATURDAY AS ANOTHER WEATHER SYSTEM APPROACHES THE AREA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND THIS EVENING. ILZ062-063-066>068-071>073-281100- CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE- 1141 AM CDT TUE JUN 27 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL ILLINOIS AND SOUTHEAST ILLINOIS. .DAY ONE...THIS AFTERNOON AND TONIGHT A WEAK COLD FRONT... ALONG WITH ANOTHER SERIES OF UPPER LEVEL DISTURBANCES... WILL MOVE ACROSS AN UNSTABLE AIRMASS ACROSS THE REGION THIS AFTERNOON... RESULTING IN ANOTHER ROUND OF SCATTERED THUNDERSTORMS. WITH RATHER COLD AIR ALOFT... SOME OF THESE STORMS MAY BECOME CAPABLE OF PRODUCING LARGE HAIL. HOWEVER... THE PRIMARY SEVERE THREAT IS EXPECTED TO REMAIN WEST OF I-55. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY ANOTHER WEAK FRONT WILL MOVE INTO THE AREA ON WEDNESDAY...AND BRING ANOTHER ROUND OF THUNDERSTORMS TO EAST CENTRAL AND SOUTHEAST ILLINOIS. THERE IS A SLIGHT RISK THAT SOME OF THESE STORMS COULD BECOME SEVERE WEDNESDAY AFTERNOON. THE CHANCE FOR MORE THUNDERSTORMS WILL RETURN ON SATURDAY AS ANOTHER WEATHER SYSTEM APPROACHES THE AREA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. HARDIMAN/AUTEN
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 7:22 PM CDT | Severe Thunderstorm Warning | ILX | Jasper | 53 min |
| Jun 26, 7:46 PM CDT | Severe Thunderstorm Warning | ILX | Crawford | 59 min |
| Jun 26, 8:00 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence | 60 min |
| Jun 27, 2:59 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 46 min |
| Jun 27, 3:57 PM CDT | Severe Thunderstorm Warning | ILX | Fulton | 35 min |
| Jun 27, 5:12 PM CDT | Severe Thunderstorm Warning | ILX | Scott | 37 min |
| Jun 27, 6:05 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 28 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2006Every severe thunderstorm warning in 2006
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.