Alert archive / Illinois / Flash Flood Warnings in 1990
Flash Flood Warning 43, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Aug 19, 1990, 6:13 PM CDT for 5 counties in Illinois. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Aug 19, 1990, 6:13 PM CDT (23:13 UTC)
- Expired
- Aug 19, 1990, 8:15 PM CDT
- In force
- 2 hr
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Boone County, IL, DeKalb County, IL, Lee County, IL, Ogle County, IL, Winnebago 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.2 hours before the alert went out and 280 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 531 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 159 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 KRFD 192313
FFWRFD
ILC177-085-015-201-007-141-103-037-200115-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ROCKFORD IL
613 PM CDT SUN AUG 19 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 815 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE NORTH CENTRAL PART OF ILLINOIS
STEPHENSON...WINNEBAGO...BOONE...OGLE...LEE...DEKALB...
IN THE NORTHWEST PART OF ILLINOIS
JO DAVIESS...CARROLL...
AT 605 PM CDT STATE POLICE REPORTED THE PECATONICA RIVER HAD
OVERFLOWED ITS BANK IN PECATONICA...15 MILES WEST OF ROCKFORD. WITH
THE HEAVY RAINFALL PRODUCED BY THUNDERSTORMS THIS EVENING...LOW
LYING AREAS...URBAN STREETS AND SWOLLEN STREAMS WILL FLOOD WITH
LITTLE OR NO WARNING.
THIS FLOOD WARNING MEANS THAT FLOODING IS AN IMMEDIATED THREAT!
PERSONS IN LOW LYING OR FLOOD PRONE AREAS MOVE TO HIGHER GROUND..
IF YOU ARE IN AREAS WHERE YOU ARE NOT FAMILIAR... BE EXTREMELY
CAUTIOUS AND CONSIDER HEADING FOR HIGHER GROUND. IF CAMPING OR
IN A CAR WATCH FOR RAPIDLY RISING WATER THAT MAY ENDANGER YOUR
CAMPSITE OR CUT OFF ESCAPE ROUTES. DO NOT CROSS ROADS COVERED
BY WATER... THE ROAD MAY BE WASHED OUT OR THE WATER MUCH DEEPER
THAN YOU THINK! REMEMBER THESE FLOODS HAPPEN RAPIDLY... BE ALERT!
ATTN: ISP DIST [1..2..16 PETROVICHWhat 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 19, 3:38 PM CDT, 2 hours 35 minutes before
ILZ010-192130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 335 PM CDT SUN AUG 19 1990 ...STRONG THUNDERSTORMS OVER EAST CENTRAL ILLINOIS... AT 330 PM CDT WEATHER RADAR INDICATED AN AREA OF INTENSE THUNDERSTORMS JUST WEST OF THE ILLINOIS INDIANA BORDER. MOST OF THE STORMS WERE OVER EDGAR AND CLARK COUNTIES..TO THE SOUTHEAST OF CHAMPAIGN. THE STRONGEST STORMS WAS JUST SOUTHEAST OF PARIS..45 MILES SOUTHEAST OF CHAMPAIGN. VEFRY HEAVY DOWNPOURS...STRONG WINDS...DANGEROUS LIGHTNING AND POSSIBLE HAIL CAN BE EXPECTED FROM THESE STORMS. THEY ARE MOING SLOWLY TO THE NORTHEAST. ATTN ISP DIST...10 AND 12 FENLEY
Special weather statement, Aug 19, 4:23 PM CDT, 1 hour 50 minutes before
ILZ005-006-007-192225- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 425 PM CDT SUN AUG 19 1990 ...SEVERE THUNDERSTORM WATCH UNTIL 10 PM... AT 425 PM...NO SHOWERS AND THUNDERSTORMS WERE OVER NORTH CENTRAL ILLINOIS. SHOWERS AND STRONG THUNDERSTORMS WERE OVER EXTREME NORTHERN AND NORTHWEST ILLINOIS. THESE WERE MOVING NORTHEAST AT 30 MPH. THUNDERSTORMS...SOME COULD BE SEVERE ARE EXPECTED OVER OUR AREA TOWARDS EVENING. STUMETZm
Special weather statement, Aug 19, 4:34 PM CDT, 1 hour 39 minutes before
ILZ010-192230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 435 PM CDT SUN AUG 19 1990 ...STRONG THUNDERSTORMS ALONG THE INDIANA BORDER IN EAST CENTRAL ILLINOIS... AT 4355PM CDT AN AREA OF THUNDERSTORMS 15 MILES WIDE WAS ALONG THE INDIANA BORDER FROM 10 MILES SOUTH OF DANVILLE TO 20 MILES SOUTHWEST OF TERRE HAUTE INDIANA. HEAVIEST THUNDERSTORM WAS ON THE INDIANA BORDER NORTHEAST OF PARIS IN EDGAR COUNTY ADJACENT TO ST. BERNICE INDIANA. THE INDIVIDUAL THUNDERSTORMS WERE SHOWING LITTLE MOVEMENT... HOWEVER THE WHOLE AREA WAS DEVELOPING SLOWLY TOWARD THE NORTH. VERY HEAVY DOWNPOURS...STRONG WINDS...DANGEROUS LIGHTNING AND POSSIBLE HAIL CAN BE EXPECTED FROM THESE STORMS. ATTN ISP DIST...10 AND 12 FS
Special weather statement, Aug 19, 5:11 PM CDT, 1 hour 2 minutes before
ILZ010-192330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 510 PM CDT SUN AUG 19 1990 ...DECREASING THUNDERSTORMS IN EAST CENTRAL ILLINOIS... AT 510 PM CDT AN AREA OF THUNDERSTORMS THAT WAS IN EASTCENTRAL ILLINOIS HAS DECREASED RAPIDLY AND BECAME ONLY TWO SMALL RAINSHOWERS IN NORTHERN EDGAR COUNTY...25 MILES SOUTH OF DANVILLE. THERE WAS NO LONGER A THREAT OF HEAVY RAIN WITH THESE PARTICULAR SHOWERS. ATTN ISP DIST...10 AND 12 FS
Special weather statement, Aug 19, 5:24 PM CDT, 49 minutes before
ILZ005-006-007-192325- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 525 PM CDT SUN AUG 19 1990 ...SEVERE THUNDERSTORM WATCH UNTIL 10 PM... AT 525 PM...NO SEVERE WEATHER WAS OVER NORTH CENTRAL ILLINOIS. A COUPLE OF THUNDERSTORMS WERE ABOUT 25 MILES WEST OF PRINCETON IN WESTERN BUREAU COUNTY MOVING NORTHEAST AT 30 MPH. THUNDERSTORMS...SOME COULD BE SEVERE ARE EXPECTED OVER OUR AREA THIS LATE AFTERNOON AND EVENING. STUMETZ
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 2:01 AM CDT | Flash Flood Warning | ILX | Boone, Winnebago | 2 hr |
| Aug 19, 2:01 AM CDT | Flash Flood Warning | ILX | Stephenson | 2 hr |
| Aug 19, 4:32 AM CDT | Flash Flood Warning | ILX | Boone, DeKalb, Winnebago | 58 min |
| Aug 19, 5:09 PM CDT | Tornado Warning | ILX | Stephenson, Winnebago | 36 min |
| Aug 19, 5:35 PM CDT | Tornado Warning | ILX | Boone, Winnebago | 40 min |
| Aug 19, 6:13 PM CDT | Flash Flood Warning | ILX | Carroll, Stephenson | 2 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.