Alert archive / Illinois / Flash Flood Warnings in 1990
Flash Flood Warning 45, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Dec 29, 1990, 2:38 PM CST for 6 counties in Illinois. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Dec 29, 1990, 2:38 PM CST (20:38 UTC)
- Expired
- Dec 29, 1990, 6:45 PM CST
- In force
- 4 hr
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Champaign County, IL, Coles County, IL, Douglas County, IL, Edgar County, IL, Moultrie County, IL, Piatt County, IL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Dayton/James M C, OH (KDAY), launched 12:00Z, 8.6 hours before the alert went out and 347 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
- 537 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 347 m²/s²
- 0-3 km storm-relative helicity
- 347 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSPI 292038
FFWSPI
ILC115-173-147-139-019-041-029-045-300045-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
238 PM CST SAT DEC 29 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 645 PM CST FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE CENTRAL PART OF ILLINOIS
MACON...SHELBY...PIATT...MOULTRIE...
IN THE EAST CENTRAL PART OF ILLINOIS
CHAMPAIGN...DOUGLAS...COLES...EDGAR...
AT 2 32 PM CST STATE POLICE AND SHERIFF OFFICE AND RAINFALL
OBSERVERS HAS REPORTED FLOODING OVER MUCH OF CENTRAL AND EASTERN
ILLINOIS WHERE UP TP 2 TO 3 INCHES OF RAIN HAS FALLEN AND WARM
TEMPERATURES HAS MELTED UP TO 5 TO 9 INCHES OF SNOW THAT WAS ON
THE GROUND.
STAY OUT OF DRY CREEK BEDS AND LOW LYING AREAS. FLASH FLOODS CAN
OCCUR WITH LITTLE OR NO ADVANCE WARNING.
DO NOT ATTEMPT TO DRIVE OVER ROADS COVERED BY FLOOD WATERS.
ATTN ISP DIST...9...10
HILLIARDWhat forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Dec 29, 10:30 AM CST, 4 hours 8 minutes before
ILZ009-010-291915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 1020 AM CST SAT DEC 29 1990 AT 1015 AM CST WEATHER RADARS CONTINUE TO SHOW A LARGE AREA OF RAIN SOUTH OF A LINE FROM NEAR HOOPESTON ILLINOIS IN NORTHERN VERMILION COUNTY TO JUST SOUTH OF PEORIA THEN SOUTHWEST TO NEAR PITTSFIELD ILLINOIS. THE PRECIPITATION WAS MOSTLY LIGHT RAIN WITH PATCHES OF MODERATE RAIN. THE PRECIPITATION WAS MOVING EAST AT 20 MPH. RAIN WILL CONTINUE UNTIL THIS AFTERNOON BEFORE CHANGING TO FREEZING RAIN OR SNOW, AS A COLD FRONT NOW IN NORTH-CENTRAL ILLINOIS MAKES ITS WAY SOUTH. PERSONS SHOULD BE ALERT TO THE POSSIBLE FLOODING OF LOW LYING AREAS...ROADWAYS AND SMALL STREAMS DUE TO 1 TO 2 INCHES OF RAINFALL SINCE LAST NIGHT AND THE MELTING OF 5 TO 6 INCHES OF SNOW THAT WAS ON THE GROUND. HILLIARD
Special weather statement, Dec 29, 11:46 AM CST, 2 hours 52 minutes before
ILZ009-010-292000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 1140 AM CST SAT DEC 29 1990 AT 1135 AM CST WEATHER RADARS CONTINUE TO SHOW A LARGE AREA OF LIGHT RAIN WITH PATCHES OF MODERATE RAIN GENERALLY SOUTH OF A LINE FROM HOOPESTON ILLINOIS IN NORTHERN VERMILION COUNTY TO JUST NORTH OF SPRINGFIELD TO NEAR PITTSFIELD ILLINOIS. STATE POLICE AND SHERIFFS OFFICE OF CHAPAIGN..PIATT...SHELBY...MACON COUNTIES REPORTED WATER OVER ROADWAYS IN MANY LOCATIONS. FLOODING OF LOW LYING AREAS...SMALL STREAMS...VIADUCTS AND ROADWAYS WILL OCCUR DUE TO REPORTS OF 1 TO 2 INCHES OF RAIN DURING THE PAST 18 TO 24 HOURS PLUS THE WARM TEMPERATURES THAT HAS MELTED FROM 5 TO 8 INCHES OF S*NOW IN SOME AREAS. PERSONS ARE ADVISED TO BE ON THE ALERT FOR THESE FLOODING CONDITIONS OF ROADWAYS STREETS AND LOW LYING AREAS. [ HILLIARD ATTN: ISP DIST...9..10..6..12 AND 18
Special weather statement, Dec 29, 12:49 PM CST, 1 hour 49 minutes before
ILZ009-010-292000-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1245 PM CST SAT DEC 29 1990
AT 1240 PM CST WEATHER RADARS SHOWS A LARGE AREA OF RAIN EAST OF A
LINE FROM NEAR BLOOMINGTON ILLINOIS TO PITTSFIELD ILLINOIS. THE RAIN
IS MOSTLY LIGHT ..HOWEVER THERE WERE A FEW PATCHES OF MODERATE.
THE PRECIPITATION IS MOVING EAST AT 25 MPH.
SOME FLOODING IS OCCURRING DUE TO REPORTS OF 1 TO 2 INCHES OF RAINFALL
AND THE WARM TEMPERATURES THAT HAS MELTED FROM 5 TO 8 INCHES OF SNOW
IN SOME AREAS. WATER IS REPORTED ACROSS SOME ROADWAYS OVER CENTRA
L AND
EASTERN ILLINOIS. PERSONS ARE ADVISED TO BE ON THE ALERT AND qUSE EXTREME
CAUTIONS AS SOME FLOODING WILL OCCUR IN LOW LYING AREAS...SMALL STREAMS..
ROADWAYS AND VIADUCTS.
HILLIARD
ATTN:ISP DISTS 9...10...6...12...18Special weather statement, Dec 29, 2:13 PM CST, 25 minutes before
ILZ009-010-292000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 2 10 PM CST SAT DEC 29 1990 AT 2 05PM CST WEATHER RADARS SHOWS A LARGE AREA OF RAIN...FREEZING RAIN AND SLEET OVER CENTRAL AND EASTERN ILLINOIS. THE FREEZING RAIN AND SLEET IS OVER CENTRAL AND WESTERN ILLINOIS WEST OF SPRINGFIELD RAIN AT TIME MODERATE CONTINUE OVER EAST-CENTRAL AND EASTERN ILLINOIS. THE PRECIPITATION IS MOVING EAST AT 20 MPH. SOME FLOODING CONTINUES OVER CENTRAL AND EASTERN ILLINOIS WHERE UP TO 2 TO 3 INCHES OF RAIN HAS FALLIN IN THE PAST 24 HRS. ALSO WARM TEMPER- ATURES HAS MELTED FROM 5 TO 8 INCHES OF SNOW THAT WAS ON THE GROUND. PERSONS ARE ADVISED TO BE ON THE ALERT AND USE EXTREME CAUTIONS DUE TO WATER OVER SOME ROADWAYS..STREETS AND LOW LYING AREAS...MOTORISTS ARE ADVISED TO USE EXTREME CAUTIONS OVER PORTIONS OF CENTRAL AND WEST-CENTRAL ILLINOIS WHERE FREEZING RAIN IS NOW OCCURRING. TRAVEL CONDITIONS WILL BECOME VERY HAZARDOUS. HILLIARD ATTN: ISP DISTRICTS..9...10...6..18..12
Special weather statement, Dec 29, 2:18 PM CST, 20 minutes before
ILZ009-010-292000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 2 10 PM CST SAT DEC 29 1990 AT 2 05PM CST WEATHER RADARS SHOWS A LARGE AREA OF RAIN...FREEZING RAIN AND SLEET OVER CENTRAL AND EASTERN ILLINOIS. THE FREEZING RAIN AND SLEET IS OVER CENTRAL AND WESTERN ILLINOIS WEST OF SPRINGFIELD RAIN AT TIME MODERATE CONTINUE OVER EAST-CENTRAL AND EASTERN ILLINOIS. THE PRECIPITATION IS MOVING EAST AT 20 MPH. SOME FLOODING CONTINUES OVER CENTRAL AND EASTERN ILLINOIS WHERE UP TO 2 TO 3 INCHES OF RAIN HAS FALLIN IN THE PAST 24 HRS. ALSO WARM TEMPER- ATURES HAS MELTED FROM 5 TO 8 INCHES OF SNOW THAT WAS ON THE GROUND. PERSONS ARE ADVISED TO BE ON THE ALERT AND USE EXTREME CAUTIONS DUE TO WATER OVER SOME ROADWAYS..STREETS AND LOW LYING AREAS...MOTORISTS ARE ADVISED TO USE EXTREME CAUTIONS OVER PORTIONS OF CENTRAL AND WEST-CENTRAL ILLINOIS WHERE FREEZING RAIN IS NOW OCCURRING. TRAVEL CONDITIONS WILL BECOME VERY HAZARDOUS. HILLIARD ATTN: ISP DISTRICTS..9...10...6..18..12
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 29, 2:38 PM CST | Flash Flood Warning | ILX | Macon, Shelby | 4 hr |
| Dec 29, 4:20 PM CST | Flash Flood Warning | ILX | Macoupin | 5 hr |
Nearby
Flash Flood Warnings in Illinois, 1990Every flash flood warning in 1990
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.