Alert archive / Illinois / Flash Flood Warnings in 1990
Flash Flood Warning 23, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Jun 20, 1990, 8:30 AM CDT for 4 counties in Illinois. It was in force for 110 min.
The area
The counties it named.
The facts
- Issued
- Jun 20, 1990, 8:30 AM CDT (13:30 UTC)
- Expired
- Jun 20, 1990, 10:20 AM CDT
- In force
- 110 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Fulton County, IL, Mason County, IL, McDonough County, IL, Schuyler 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
Paducah/Barkley, KY (KPAH), launched 12:00Z, 1.5 hours before the alert went out and 390 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
- 3475 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 778 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 298 m²/s²
- 0-3 km storm-relative helicity
- 311 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 9.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KPIA 201330
FFWPIA
ILC109-169-057-125-201530-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEORIA IL
830 AM CDT WED JUN 20 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 1030 AM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE WEST CENTRAL PART OF ILLINOIS
MCDONOUGH...SCHUYLER...SOUTHERN FULTON...
IN THE CENTRAL PART OF ILLINOIS
MASON...
AT 825 AM RAIN CONTINED OVER THE WARNED COUNTIES AND THERE REMAINS
A THREAT OF FLASH FLOODING. MANY ROADS ARE REPORTED CLOSED DUE
TO FLOODING.
THIS IS AN EXTENSION OF THE FLASH FLOOD WARNING WHICH WAS ISSUED
AT 527 AM.
IF YOU ARE IN THE WARNED COUNTY IN AN AREA SUBJECT TO FLOODING
MOVE TO HIGHER GROUND.
DO NOT ATTEMPT TO DRIVE OVER ROADS COVERED BY FLOOD WATERS.
ATTN ISP 9 14 AND 20
ARMBRUSTWhat 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, Jun 20, 4:26 AM CDT, 4 hours 4 minutes before
ILZ005-006-007-009-200335- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 420 AM CST WED JUN 20 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 508 HAS BEEN CANCELLED FOR PUTNAM... MARSHALL...WOODFORD AND MCLEAN COUNTIES. THUNDERSTORMS ARE STILL OCCURRING IN THESE AREAS BUT HAVE WEAKENED. ...SEVERE THUNDERSTORM WATCH 509 REMAINS IN EFFECT FOR TAZEWELL... PEORIA...MASON...FULTON...SCHUYLER...MCDONOGH...HENDERSON AND WARREN COUNTIES. THE HEAVIEST STORMS CURRENTLY IN THE THOSE COUNTIES WAS IN SOUTHERN SCHUYLER. ...THE FLASH FLOOD WARNING FOR FULTON AND TAZEWELL COUNTIES EXPIRES AT 430AM. ...THE FLASH FLOOD WARNING FOR WOODFORD COUNTY CONTINUES IN EFFECT UNTIL 500AM. ...THE FLASH FLOOD WARNING FOR SCHUYLER COUNTY CONTINUES IN EFFECT UNTIL 515AM. . AT 420AM THE HEAVIEST THUNDERSTORMS IN CENTRAL ILLINOIS WERE GENERALLY SOUTH OF A LINE FROM PONTIAC TO PEORIA TO BURLINGTON. THEY WERE MOVING SOUTHEAST AT ABOUT 40 MPH. ARMBRUST
Special weather statement, Jun 20, 4:43 AM CDT, 3 hours 47 minutes before
ILZ005-006-007-009-201100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 440AM CDT WED JUN 20 1990 ...SEVERE THUNDERSTORM WATCHES 508 AND 509 HAVE BEEN CANCELED FOR CENTRAL ILLINOIS. ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500AM FOR WOODFORD COUNTY. ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515AM FOR SCHUYLER AND MCDONOUGH COUNTIES. THE THUNDERSTORMS IN CENTRAL ILLINOIS HAVE DECREASED IN INTENSITY AS FAR AS THE THREAT OF HIGH WINDS OR HAIL...HOWEVER DANGEROUS LIGHTNING AND HEAVY RAINS ARE STILL BEING REPORTED. PERSONS SHOULD STILL BE ON THE LOOKOUT FOR THE POSSIBILITY OF FLOODING OF SMALL STREAMS...STREETS AND HIGHWAYS. ARMBRUST
Special weather statement, Jun 20, 5:39 AM CDT, 2 hours 51 minutes before
ILZ009-010-201130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 535 AM CDT WED JUN 20 1990 ...FLASH FLOODING WARNING REMAINS IN EFFECT FOR MUCH OF CENTRAL ILLINOIS UNTIL 815 AM CDT... AT 530 AM CDT WEATHER RADARS CONTINUE TO SHOW A LARGE AREA OF SHOWERS AND THUNDERSTORMS SOUTH OF A LINE FROM BURLINGTON IOWA TO PEORIA TO NEAR TERRE HAUTE INDIANA. THE STRONGEST STORMS WERE SOUTHWEST OF SPRINGFIELD IN MACOUPIN AND MONTGOMERY COUNTIES. HEAVY RAINFALL AMOUNTS CONTINUE OVER MUCH OF THE AREA WITH 2 TO 4 INCHES OF RAINFALL IN MANY AREAS. THE STORMS WERE MOVING EAST AND SOUTHEAST AT 30 MPH. HILLIARD ATTN ISP DIST..9..10..6..12..18
Special weather statement, Jun 20, 7:48 AM CDT, 42 minutes before
ILZ006-007-201500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 745 AM CDT WED JUN 20 1990 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR MCDONOUGH...MASON... SCHUYLER AND SOUTHERN FULTON COUNTIES IN CENTRAL AND WEST CENTRAL ILLINOIS. IT IS IN EFFECT UNTIL 830AM. RAIN SHOWERS...NOW MOSTLY LIGHT...AND A FEW THUNDERSTORMS CONTINUE OVER CENTRAL ILLINOIS. THE RAIN AREA WAS GENERALLY SOUTH OF LINE FROM BURLINGTON IOWA TO 40 MILES NORTHWEST OF PEORIA TO LAFAYETTE INDIANA. IT WAS MOVING EAST AT AROUND 30 MPH. IN EASTERN SCHUYLER COUNTY THE TOWN OF BLUFF CITY WAS EVACUATED EARLIER THIS MORNING. A LEVEE THERE WAS THREATENED BY FLOOD WATERS. THAT LEVEE IS REPORTED AS HOLDING. ALSO MOST ROADS IN SCHUYLER COUNTY ARE REPORTED AS PARTIALLY CLOSED DUE TO STANDING WATER. . PERSONS SHOULD NOT RETURN TO ANY AREA THAT HAS BEEN EVACUATED UNTIL THEY ARE INFORMED THAT IT IS SAFE TO DO SO. SOME EARLY RAINFALL AMOUNTS AROUND XTHE AREA OF CENTRAL ILLINOIS... AT CHENOA 2.07...AT CHILLICOTHE 3.80...AT LAHARPE 4.10 AND AT MACOMB 3.70. AT PEORIA WE HAVE HAD 1.79. ARMBRUST
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 9:55 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Peoria, Stark | 65 min |
| Jun 19, 10:05 PM CDT | Severe Thunderstorm Warning | ILX | Bureau | 55 min |
| Jun 19, 10:17 PM CDT | Severe Thunderstorm Warning | ILX | Lee | 43 min |
| Jun 19, 10:48 PM CDT | Tornado Warning | ILX | Peoria, Woodford | 27 min |
| Jun 19, 10:56 PM CDT | Severe Thunderstorm Warning | ILX | DeKalb | 49 min |
| Jun 19, 11:08 PM CDT | Tornado Warning | ILX | Knox | 37 min |
| Jun 19, 11:41 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, McDonough, Warren | 64 min |
| Jun 19, 11:50 PM CDT | Flash Flood Warning | ILX | Knox, Peoria, Warren | 4 hr |
| Jun 20, 12:47 AM CDT | Severe Thunderstorm Warning | ILX | McLean, Tazewell | 58 min |
| Jun 20, 1:06 AM CDT | Tornado Warning | ILX | Schuyler | 39 min |
| Jun 20, 1:10 AM CDT | Severe Thunderstorm Warning | ILX | Logan, Menard | 65 min |
| Jun 20, 1:39 AM CDT | Flash Flood Warning | ILX | Fulton, Tazewell | 3 hr |
| Jun 20, 1:40 AM CDT | Severe Thunderstorm Warning | ILX | Macon | 65 min |
| Jun 20, 2:00 AM CDT | Flash Flood Warning | ILX | Woodford | 3 hr |
| Jun 20, 2:01 AM CDT | Severe Thunderstorm Warning | ILX | Moultrie, Shelby | 59 min |
| Jun 20, 2:06 AM CDT | Flash Flood Warning | ILX | Sangamon | 3 hr |
| Jun 20, 2:18 AM CDT | Flash Flood Warning | ILX | McDonough, Schuyler | 3 hr |
| Jun 20, 2:30 AM CDT | Severe Thunderstorm Warning | ILX | Christian | 60 min |
| Jun 20, 2:44 AM CDT | Severe Thunderstorm Warning | ILX | Coles, Edgar | 61 min |
| Jun 20, 3:06 AM CDT | Severe Thunderstorm Warning | ILX | Clark, Cumberland | 69 min |
| Jun 20, 3:31 AM CDT | Flash Flood Warning | ILX | Clark, Coles, Cumberland | 3 hr |
| Jun 20, 3:31 AM CDT | Flash Flood Warning | ILX | Edgar | 3 hr |
| Jun 20, 5:09 AM CDT | Flash Flood Warning | ILX | Cass, Menard, Sangamon | 3 hr |
| Jun 20, 5:09 AM CDT | Flash Flood Warning | ILX | Macoupin, Montgomery, Morgan | 3 hr |
| Jun 20, 5:09 AM CDT | Flash Flood Warning | ILX | Christian | 3 hr |
| Jun 20, 5:27 AM CDT | Flash Flood Warning | ILX | Fulton, McDonough, Schuyler | 3 hr |
| Jun 20, 5:27 AM CDT | Flash Flood Warning | ILX | Mason | 3 hr |
| Jun 20, 8:05 AM CDT | Flash Flood Warning | ILX | Christian, Montgomery, Sangamon | 3 hr |
| Jun 20, 8:05 AM CDT | Flash Flood Warning | ILX | Cass, Menard | 3 hr |
| Jun 20, 8:05 AM CDT | Flash Flood Warning | ILX | Macoupin, Morgan | 3 hr |
| Jun 20, 9:00 AM CDT | Flash Flood Warning | ILX | Fulton, McDonough, Schuyler | 90 min |
| Jun 20, 9:00 AM CDT | Flash Flood Warning | ILX | Mason | 90 min |
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.