Alert archive / Illinois / Flash Flood Watches in 2015
Flash Flood Watch 12, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood watch at Dec 25, 2015, 3:27 AM CST for 21 counties in Illinois. It took effect at Dec 26, 2015, 12:00 PM CST. It was in force for 4 days.
The area
The counties it named.
The facts
- Issued
- Dec 25, 2015, 3:27 AM CST (09:27 UTC)
- In effect from
- Dec 26, 2015, 12:00 PM CST
- Expired
- Dec 30, 2015, 1:30 PM CST
- In force
- 4 days
- Issued by
- NWS Lincoln, IL
- Flood severity
- None
All 21 counties
Champaign 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, Jasper County, IL, Lawrence County, IL, Macon County, IL, Morgan County, IL, Moultrie County, IL, Piatt County, IL, Richland County, IL, Sangamon County, IL, Scott County, IL, Shelby County, IL, Vermilion County, IL
The radar
The Lincoln radar (KILX), 102 km from the middle of the area, began a volume at 09:24 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 00:00Z, 9.5 hours before the alert went out and 77 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1212 m above ground
- 0-6 km bulk shear
- 109 kt
- 0-1 km storm-relative helicity
- 415 m²/s²
- 0-3 km storm-relative helicity
- 609 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 Dec 24, 11:15 PM CST, 4 hours 12 minutes earlier.
Area forecast discussion, Dec 24, 11:15 PM CST, 4 hours 12 minutes before
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</html>Hazardous weather outlook, Dec 24, 3:19 PM CST, 12 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LINCOLN IL 319 PM CST THU DEC 24 2015 ILZ027>031-037-251200- KNOX-MARSHALL-PEORIA-STARK-TAZEWELL-WOODFORD- 319 PM CST THU DEC 24 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY PRECIPITATION AMOUNTS OF 1 TO 2 INCHES ARE LIKELY THROUGH THE PERIOD...MOSTLY FALLING FROM SATURDAY THROUGH SUNDAY...AND AGAIN MONDAY AFTERNOON THROUGH TUESDAY. THESE MAY BE ACCOMPANIED BY THUNDERSTORMS AT TIMES. FLOODING MAY DEVELOP ALONG THE ILLINOIS RIVER NEAR PEORIA AS A RESULT...AND OTHER RIVERS MAY ALSO APPROACH FLOOD STAGE. BY MONDAY NIGHT AND TUESDAY...THE PRECIPITATION MAY MIX WITH OR CHANGE OVER TO SNOW. AT THIS TIME...THERE IS SOME UNCERTAINTY AS TO THE AMOUNT OF SNOW THAT MAY OCCUR. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT. ILZ036-040-041-047-049-050-251200- CASS-FULTON-MASON-MORGAN-SCHUYLER-SCOTT- 319 PM CST THU DEC 24 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL ILLINOIS. .DAY ONE...TONIGHT FLOODING WILL CONTINUE ALONG MUCH OF THE ILLINOIS RIVER INTO NEXT WEEK. OTHERWISE...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY PERIODS OF MODERATE TO HEAVY RAIN ARE EXPECTED FROM SATURDAY THROUGH TUESDAY...ACCOMPANIED BY THUNDERSTORMS AT TIMES. AMOUNTS OF AROUND 2 INCHES ARE LIKELY. THIS WILL LIKELY ENHANCE THE ONGOING FLOODING ALONG THE ILLINOIS RIVER. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT. ILZ038-042>046-048-051>057-061-251200- CHAMPAIGN-CHRISTIAN-COLES-DE WITT-DOUGLAS-EDGAR-LOGAN-MACON- MCLEAN-MENARD-MOULTRIE-PIATT-SANGAMON-SHELBY-VERMILION- 319 PM CST THU DEC 24 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS AND EAST CENTRAL ILLINOIS. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY PERIODS OF MODERATE TO HEAVY RAIN ARE EXPECTED FROM SATURDAY THROUGH MONDAY NIGHT...ACCOMPANIED BY THUNDERSTORMS AT TIMES. AMOUNTS OF 2 TO 4 INCHES ARE LIKELY...WITH THE HEAVIER TOTALS CLOSER TO THE I-70 CORRIDOR. THIS WILL LIKELY RESULT IN THE DEVELOPMENT OF RIVER FLOODING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT. ILZ062-063-066>068-071>073-251200- CLARK-CLAY-CRAWFORD-CUMBERLAND-EFFINGHAM-JASPER-LAWRENCE-RICHLAND- 319 PM CST THU DEC 24 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST ILLINOIS. .DAY ONE...TONIGHT MINOR FLOODING WILL CONTINUE ALONG THE LITTLE WABASH RIVER NEAR CLAY CITY INTO EARLY NEXT WEEK. OTHERWISE...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY AN EXTENDED PERIOD OF MODERATE TO HEAVY RAIN IS EXPECTED FROM FRIDAY NIGHT THROUGH MONDAY NIGHT. AMOUNTS OF 4 TO 6 INCHES ARE POSSIBLE. THIS WILL LIKELY RESULT IN THE DEVELOPMENT OF MORE WIDESPREAD RIVER FLOODING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT. GEELHART
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 24, 9:56 PM CST | River Flood Warning | ILX | Peoria, Tazewell, Woodford | 27 days |
| Dec 24, 10:27 PM CST | River Flood Warning | ILX | Lawrence | 17 days |
Nearby
Flash Flood Watches in Illinois, 2015Every flash flood watch in 2015
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.