Alert archive / Illinois / Flash Flood Watches in 2008
Flash Flood Watch 1, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood watch at Mar 31, 2008, 11:59 AM CDT for 14 counties in Illinois. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Mar 31, 2008, 11:59 AM CDT (16:59 UTC)
- Expired
- Apr 1, 2008, 3:27 AM CDT
- In force
- 15 hr
- Issued by
- NWS Lincoln, IL
- Flood severity
- None
Counties 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, Jasper County, IL, Lawrence County, IL, Moultrie County, IL, Richland County, IL, Shelby County, IL
The radar
The Evansville,IN radar (KVWX), 119 km from the middle of the area, began a volume at 17:03 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
Lincoln, IL (KILX), launched 12:00Z, 5.0 hours before the alert went out and 105 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
- 6 J/kg
- Mixed-layer CIN
- -165 J/kg
- Mixed-layer LCL
- 485 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 197 m²/s²
- 0-3 km storm-relative helicity
- 259 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
What forecasters said that day
The local office's own words before this flash flood watch 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 flash flood watch went out at Mar 31, 10:55 AM CDT, 1 hour 4 minutes earlier.
Area forecast discussion, Mar 31, 10:55 AM CDT, 1 hour 4 minutes before
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</html>Hazardous weather outlook, Mar 31, 6:00 AM CDT, 5 hours 59 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LINCOLN IL 600 AM CDT MON MAR 31 2008 ILZ027>031-037-038-042>046-048-051>057-061-062-066-067-011100- CHAMPAIGN-CHRISTIAN-COLES-CUMBERLAND-DE WITT-DOUGLAS-EDGAR- EFFINGHAM-JASPER-KNOX-LOGAN-MACON-MARSHALL-MCLEAN-MENARD-MOULTRIE- PEORIA-PIATT-SANGAMON-SHELBY-STARK-TAZEWELL-VERMILION-WOODFORD- 600 AM CDT MON MAR 31 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS...EAST CENTRAL ILLINOIS AND SOUTHEAST ILLINOIS. .DAY ONE...TODAY AND TONIGHT THERE IS A CHANCE FOR SOME SCATTERED THUNDERSTORMS THIS AFTERNOON ACROSS CENTRAL ILLINOIS. A HIGHER RISK FOR THUNDERSTORMS WILL BE FROM EARLY THIS EVENING INTO THE NIGHTTIME HOURS WITH A COLD FRONT THAT WILL BE MOVING THROUGH THE AREA. SQUALL LINE DEVELOPMENT WILL BE POSSIBLE ALONG THE FRONT...WITH THE STRONGER STORMS CAPABLE OF PRODUCING DAMAGING WINDS AND LARGE HAIL. THE THREAT FOR SEVERE WEATHER WILL END AS THE COLD FRONT EXITS ILLINOIS IN THE 11 PM TO 3 AM TIME FRAME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY MORE THUNDERSTORMS WILL BE POSSIBLE FROM LATE WEDNESDAY NIGHT INTO THURSDAY NIGHT AS ANOTHER WEATHER SYSTEM CROSSES THE MIDWEST. SEVERE WEATHER WILL BE POSSIBLE WITH THIS SYSTEM TOO...SO KEEP ABREAST OF LATER FORECASTS AS THE SITUATION BECOMES BETTER DEFINED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NECESSARY FROM LATE AFTERNOON INTO TONIGHT. ILZ036-040-041-047-049-050-011100- CASS-FULTON-MASON-MORGAN-SCHUYLER-SCOTT- 600 AM CDT MON MAR 31 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS. .DAY ONE...TODAY AND TONIGHT THERE IS A CHANCE FOR SOME SCATTERED THUNDERSTORMS THIS AFTERNOON ACROSS CENTRAL ILLINOIS. A HIGHER RISK FOR THUNDERSTORMS WILL BE FROM EARLY THIS EVENING INTO THE NIGHTTIME HOURS WITH A COLD FRONT THAT WILL BE MOVING THROUGH THE AREA. SQUALL LINE DEVELOPMENT WILL BE POSSIBLE ALONG THE FRONT...WITH THE STRONGER STORMS CAPABLE OF PRODUCING DAMAGING WINDS AND LARGE HAIL. THE THREAT FOR SEVERE WEATHER WILL END AS THE COLD FRONT EXITS THE ILLINOIS RIVER VALLEY BEFORE MIDNIGHT. THE ILLINOIS RIVER WILL REMAIN IN FLOOD AT HAVANA AND POINTS DOWNSTREAM THROUGH TONIGHT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY MORE THUNDERSTORMS WILL BE POSSIBLE FROM LATE WEDNESDAY NIGHT INTO THURSDAY NIGHT AS ANOTHER WEATHER SYSTEM CROSSES THE MIDWEST. SEVERE WEATHER WILL BE POSSIBLE WITH THIS SYSTEM TOO...SO KEEP ABREAST OF LATER FORECASTS AS THE SITUATION BECOMES BETTER DEFINED. THE ILLINOIS RIVER WILL REMAIN ABOVE FLOOD STAGE FOR THE NEXT SEVERAL DAYS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NECESSARY LATE THIS AFTERNOON AND THIS EVENING. ILZ063-068-071>073-011100- CLARK-CLAY-CRAWFORD-LAWRENCE-RICHLAND- 600 AM CDT MON MAR 31 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL ILLINOIS AND SOUTHEAST ILLINOIS. .DAY ONE...TODAY AND TONIGHT THERE IS A CHANCE FOR SOME SCATTERED THUNDERSTORMS THIS AFTERNOON ACROSS SOUTHEAST ILLINOIS. A HIGHER RISK FOR THUNDERSTORMS WILL BE TONIGHT WITH A COLD FRONT THAT WILL BE MOVING THROUGH THE AREA. SQUALL LINE DEVELOPMENT WILL BE POSSIBLE ALONG THE FRONT...WITH THE STRONGER STORMS CAPABLE OF PRODUCING DAMAGING WINDS AND LARGE HAIL. THE THREAT FOR SEVERE WEATHER WILL END AS THE COLD FRONT EXITS ILLINOIS IN THE MIDNIGHT TO 3 AM TIME FRAME. RIVER STAGES ALONG PORTIONS OF THE WABASH...EMBARRAS...AND LITTLE WABASH RIVERS WILL REMAIN ABOVE FLOOD STAGE THROUGH TONIGHT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY MORE THUNDERSTORMS WILL BE POSSIBLE FROM LATE WEDNESDAY NIGHT INTO THURSDAY NIGHT AS ANOTHER WEATHER SYSTEM CROSSES THE MIDWEST. SEVERE WEATHER WILL BE POSSIBLE WITH THIS SYSTEM TOO...SO KEEP ABREAST OF LATER FORECASTS AS THE SITUATION BECOMES BETTER DEFINED. RIVER STAGES ALONG PORTIONS OF THE WABASH...EMBARRAS...AND LITTLE WABASH RIVERS WILL REMAIN ABOVE FLOOD STAGE FOR THE NEXT SEVERAL DAYS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NECESSARY TONIGHT.
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 8:20 AM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 40 min |
| Mar 31, 8:55 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Fulton, Mason, Morgan, Schuyler | 50 min |
| Mar 31, 5:36 PM CDT | High Wind Warning | ILX | Champaign, DeWitt, McLean, Piatt, Vermilion | 89 min |
Nearby
Flash Flood Watches in Illinois, 2008Every flash flood watch in 2008
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.