Alert archive / Illinois / Flash Flood Warnings in 1993
Flash Flood Warning 42, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Aug 12, 1993, 3:29 AM CDT for Champaign County, Illinois. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Aug 12, 1993, 3:29 AM CDT (08:29 UTC)
- Expired
- Aug 12, 1993, 6:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
County Champaign County, IL
The nearest sounding before it
Dayton/James M C, OH (KDAY), launched 00:00Z, 8.5 hours before the alert went out and 342 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
- 836 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1123 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSPI 120829 RRA
FFWSPI
ILC019-121130-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
329 AM CDT THU AUG 12 1993
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 630 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY
IN THE EAST CENTRAL PART OF ILLINOIS
SOUTHERN CHAMPAIGN
...CANCEL FLASH FLOOD WARNING EFFECTIVE IMMEDIATELY FOR SOUTHERN
SANGAMON COUNTY. THIS WARNING WAS INTENDED FOR SOUTHERN CHAMPAIGN
COUNTY.
AT 250 AM CDT...ILLINOIS STATE POLICE REPORTED 10 FEET OF WATER
OVER ILLINOIS HIGHWAY 45 NEAR TOLONO...8 MILES SOUTH OF CHAMPAIGN.
WATER WAS ALSO COVERING PART OF I-74 EAST OF URBANA.
BETWEEN 3 AND 4 1/2 INCHES OF RAIN FELL OVER MUCH OF SOUTHERN
CHAMAPIGN COUNTY BETWEEN MIDNIGHT AND 230 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 pWATERS.
MCCOYWhat 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, Aug 12, 12:43 AM CDT, 2 hours 46 minutes before
ILZ009-010-120645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 1242 AM CDT THU AUG 12 1993 ...A FLASH FLOOD WATCH IS IN EFFECT FOR CENTRAL AND EAST CENTRAL ILLINOIS TONIGHT... AT 1240 AM CDT...SHOWERS AND THUNDERSTORMS WERE NUMEROUS OVER CENTRAL AND EAST CENTRAL ILLINOIS...ALONG AND EAST OF A LINE FROM PEORIA TO NEAR ST. LOUIS. THE STRONGEST STORMS WERE IN AN AREA ABOUT 30 MILES WIDE...EXTENDING FROM 40 MILES NORTH OF SPRINGFIELD...TO 10 MILES WEST OF CHAMPAIGN...TO JUST WEST OF TERRE HAUTE INDIANA. NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 1 TO 2 INCHES OF RAIN FELL OVER MUCH OF THIS AREA BETWEEN 11 PM AND MIDNIGHT. THE SHOWERS AND STORMS WERE MOVING EAST AT ABOUT 20 MPH. FLOODING OF SOME ROADS...VIADUCTS AND LOW LYING AREAS IS LIKLEY WITH THE HEAVIER STORMS. DO NOT DRIVE THROUGH FLOODED ROADS OR LOW WATER CROSSINGS. HIGH WATER IS ESPECIALLY DIFFICULT TO SEE AT NIGHT...SO USE EXTRA CAUTION. REMEMBER...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF CENTRAL AND EAST CENTRAL ILLINOIS OVERNIGHT. BE PREPARED TO MOVE TO HIGHER GROUND QUICKLY IF NECESSARY. THE NEXT STATEMENT WILL BE ISSUED BY THE NATIONAL WEATHER SERVICE IN SPRINGFIELD B|Y 145 AM CDT. MCCOY
Special weather statement, Aug 12, 2:00 AM CDT, 1 hour 29 minutes before
ILZ009-010-120745- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 1 59 AM CDT THU AUG 12 1993 ...A FLASH FLOOD WATCH IS IN EFFECT FOR CENTRAL AND EAST CENTRAL ILLINOIS TONIGHT... AT 1 55 AM CDT...SHOWERS AND THUNDERSTORMS CONTINUED OVER EAST CENTRAL ILLINOIS...ALONG AND EAST OF A LINE FROM NEAR BLOOMINGTON ILLINOIS TO TERRE HAUTE INDIANA. THE STRONGEST STORMS WERE IN A NARROW BAND FROM NEAR CHAMPAIGN TO ABOUT 20 MILES SOUTH OF CHAMPAIGN. A LARGER AREA OF SHOWERS AND STORMS WAS APPROACHING CENTRAL ILLINOIS ...WITH THE LEADING EDGE EXTENDING FROM 30 MILES WEST OF PEORIA...TO 40 MILES NORTHWEST OF SPRINGFIELD TO ST. LOUIS. THESE STORMS WILL MOVE INTO CASS AND MORGAN COUNTIES IN CENTRAL ILLINOIS BY 230 AM. FLOODING OF SOME ROADS...VIADUCTS AND LOW LYING AREAS IS LIKLEY WITH THE HEAVIER STORMS. DO NOT DRIVE THROUGH FLOODED ROADS OR LOW WATER CROSSINGS. HIGH WATER IS ESPECIALLY DIFFICULT TO SEE AT NIGHT...SO U SE EXTRA CAUTION. REMEMBER...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF CENTRAL AND EAST CENTRAL ILLINOIS OVERNIGHT. BE PREPARED TO MOVE TO HIGHER GROUND QUICKLY IF NECESSARY. MCCOY
Special weather statement, Aug 12, 2:10 AM CDT, 1 hour 19 minutes before
ILZ005-007-120800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 210 AM CDT THU AUG 12 1993 ...A FLASH FLOOD WATCH IN EFFECT FOR MUCH OF WEST CENTRAL ILLINOIS TONIGHT... AT 210 AM... SHOWERS AND THUNDERSTORMS...SOME PRODUCING LOCALLY HEAVY RAINFALL...WAS OCCURRING MAINLY OVER THE WESTERN PART OF THE REGION. THE LEADING EDGE OF THE LARGE AREA OF PRECIPITATION EXTENDED FROM 20 MILES NORTHWEST OF PEORIA TO 20 MILES WEST OF SPRINGFIELD. THE HEAVIEST RAINFALL WAS DETECTED OVER SOUTHERN HANCOCK AND SCHUYLER COUNTIES. THE SHOWERS AND STORMS WERE MOVING TO THE EAST AT 30 MPH. RAINFALL WILL CONTINUE ACROSS THE REGION OVER THE NEXT SEVERAL HOURS. HEAVY RAIN AT TIMES WILL PRODUCE SOME LOCALLIZED FLOODING OF STREETS AND LOW LYING AREAS. REMEMBER...DO NOT TRY TO CROSS WATER COVERED ROADWAYS... WATER DEPTH ON ROADWAYS IS VERY DIFFICULT TO JUDGE. REPORT ANY FLOODING TO LOCAL LAW ENFORCEMENT AND ASK THAT YOUR REPORT BE RELAYED TO THE NATIONAL WEATHER SERVICE. BREESER
Special weather statement, Aug 12, 2:20 AM CDT, 1 hour 9 minutes before
ILZ005-007-120800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 210 AM CDT THU AUG 12 1993 ...A FLASH FLOOD WATCH IN EFFECT FOR MUCH OF WEST CENTRAL ILLINOIS TONIGHT... AT 210 AM... SHOWERS AND THUNDERSTORMS...SOME PRODUCING LOCALLY HEAVY RAINFALL...WAS OCCURRING MAINLY OVER THE WESTERN PART OF THE REGION. THE LEADING EDGE OF THE LARGE AREA OF PRECIPITATION EXTENDED FROM 20 MILES NORTHWEST OF PEORIA TO 20 MILES WEST OF SPRINGFIELD. THE HEAVIEST RAINFALL WAS DETECTED OVER SOUTHERN HANCOCK AND SCHUYLER COUNTIES. THE SHOWERS AND STORMS WERE MOVING TO THE EAST AT 30 MPH. RAINFALL WILL CONTINUE ACROSS THE REGION OVER THE NEXT SEVERAL HOURS. HEAVY RAIN AT TIMES WILL PRODUCE SOME LOCALLIZED FLOODING OF STREETS AND LOW LYING AREAS. REMEMBER...DO NOT TRY TO CROSS WATER COVERED ROADWAYS... WATER DEPTH ON ROADWAYS IS VERY DIFFICULT TO JUDGE. REPORT ANY FLOODING TO LOCAL LAW ENFORCEMENT AND ASK THAT YOUR REPORT BE RELAYED TO LTHE NATIONAL WEATHER SERVICE. BREESER
Special weather statement, Aug 12, 2:20 AM CDT, 1 hour 9 minutes before
ILZ005-007-120800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 220 AM CDT THU AUG 12 1993 ...A FLASH FLOOD WATCH IN EFFECT FOR MUCH OF WEST CENTRAL ILLINOIS TONIGHT... AT 215 AM... SHOWERS AND THUNDERSTORMS...SOME PRODUCING LOCALLY HEAVY RAINFALL...WAS OCCURRING MAINLY OVER THE WESTERN PART OF THE REGION. THE LEADING EDGE OF THE LARGE AREA OF PRECIPITATION EXTENDED FROM 20 MILES NORTHWEST OF PEORIA TO 20 MILES WEST OF SPRINGFIELD. THE HEAVIEST RAINFALL WAS DETECTED OVER SOUTHERN HANCOCK AND SCHUYLER COUNTIES. THE SHOWERS AND STORMS WERE MOVING TO THE EAST AT 30 MPH. RAINFALL WILL CONTINUE ACROSS THE REGION OVER THE NEXT SEVERAL HOURS. HEAVY RAIN AT TIMES WILL PRODUCE SOME LOCALLIZED FLOODING OF STREETS AND LOW LYING AREAS. REMEMBER...DO NOT TRY TO CROSS WATER COVERED ROADWAYS... WATER DEPTH ON ROADWAYS IS VERY DIFFICULT TO JUDGE. REPORT ANY FLOODING TO LOCAL LAW ENFORCEMENT AND ASK THAT YOUR REPORT BE RELAYED TO THE NATIONAL WEATHER SERVICE. BREESER
Special weather statement, Aug 12, 2:21 AM CDT, 1 hour 8 minutes before
ILZ005-007-120800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 220 AM CDT THU AUG 12 1993 ...A FLASH FLOOD WATCH IN EFFECT FOR MUCH OF WEST CENTRAL ILLINOIS TONIGHT... AT 215 AM... SHOWERS AND THUNDERSTORMS...SOME PRODUCING LOCALLY HEAVY RAINFALL...WAS OCCURRING MAINLY OVER THE WESTERN PART OF THE REGION. THE LEADING EDGE OF THE LARGE AREA OF PRECIPITATION EXTENDED FROM 20 MILES NORTHWEST OF PEORIA TO 20 MILES WEST OF SPRINGFIELD. THE HEAVIEST RAINFALL WAS DETECTED OVER SOUTHERN HANCOCK AND SCHUYLER COUNTIES. THE SHOWERS AND STORMS WERE MOVING TO THE EAST AT 30 MPH. RAINFALL WILL CONTINUE ACROSS THE REGION OVER THE NEXT SEVERAL HOURS. HEAVY RAIN AT TIMES WILL PRODUCE SOME LOCALLIZED FLOODING OF STREETS AND LOW LYING AREAS. REMEMBER...DO NOT TRY TO CROSS WATER COVERED ROADWAYS... WATER DEPTH ON ROADWAYS IS VERY DIFFICULT TO JUDGE. REPORT ANY FLOODING TO LOCAL LAW ENFORCEMENT AND ASK THAT YOUR REPORT BE RELAYEDN TO THE NATIONAL WEATHER SERVICE. BREESER
Nearby
Flash Flood Warnings in Illinois, 1993Every flash flood warning in 1993
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.