Alert archive / Illinois / Flash Flood Warnings in 1990
Flash Flood Warning 10, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at Jun 16, 1990, 7:32 PM CDT for Rock Island County, Whiteside County, Illinois; Clinton County, Iowa. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 16, 1990, 7:32 PM CDT (00:32 UTC)
- Expired
- Jun 16, 1990, 10:40 PM CDT
- In force
- 3 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties
Counties Clinton County, IA, Rock Island County, IL, Whiteside 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 00:00Z, 0.5 hours before the alert went out and 358 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
- 62 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 875 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 199 m²/s²
- 0-3 km storm-relative helicity
- 258 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMLI 170032 RRA
FFWMLI
IAC163-045-031-139-ILC161-195-170230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOLINE IL
732 PM CDT SAT JUN 16 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 930 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE EXTREME EAST PART OF IOWA
SCOTT...CLINTON...CEDAR...MUSCATINE...
IN THE NORTHWEST PART OF ILLINOIS
ROCK-ISLAND...WHITESIDE...
OVER SIX INCHES OF RAIN FELL IN PARTS OF THE BI-STATE AREA BY
SATURDAY EVENING. THUNDERSTORMS AND MORE RAIN LOOKED TO BE ON THE
WAY...GIVING MANY CREEKS AND SMALL STREAMS THAT WERE ALREADY OUT OF
THERE BANKS...NO CHANCE TO SUBSIDE.
IF YOU LIVE NEAR ANY STREAMS...CREEKS...OR STREETS...REMAIN ALERT
TO WEATHER CONDITONS. IF AT HIGH GROUND...STAY PUT...AS CONDITONS
COULD BECOME WORSE AGAIN LATER TONIGHT.
FLASH FLOOD WARNING MEANS FLASH FLOODING IS OCCURRING OR IS
IMMINENT IN THE SPECIFIED AREA.
PERSONS ALONG OR NEAR STREAMS SUBJECT TO FLASH FLOODING OR SHARP
RISES SHOULD BE PREPARED TO MOVE TO A PLACE OF SAFETY IMMEDIATELY.
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
IF TIME PERMITS...ASK THE NEAREST LAW ENFORECMENT AGENCY TO RELAY
YOUR REPORT OF FLOODING TO THE NATIONAL WEATHER SERVICE.
ATTLN ISP 7 AND 1
MEYER 0031ZWhat 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 16, 3:00 PM CDT, 4 hours 32 minutes before
ILZ004-IAZ015-162100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 255 PM CDT SAT JUN 16 1990 ...STRONG THUNDERSTORMS AGAIN IN EASTERN IOWA... AT 250 PM CDT RADAR SHOWS A LINE OF VERY STRONG THUNDERSTORMS IN EASTERN IOWA...EXTENDING FROM NEAR IOWA CITY TO FAIRFIELD IA EXTENDING SOUTH INTO NORTHERN MISSOURI. THE THUNDERSTORMS WERE MOVING EAST AT 30 MPH AND SHOULD REACH A MUSCATINE...BURLINGTON LINE SHORTLY BEFORE 4 PM CDT. P$ERSONS IN THE PATH OF THESE THUNDERSTORMS CAN EXPECT HEAVY RAINFALL ALONG WITH GUSTY WINDS OF 40 TO 50 MPH AND DANGEROUS LIGHTNING. KRAEMER
Special weather statement, Jun 16, 3:36 PM CDT, 3 hours 56 minutes before
ILZ004-IAZ015-162130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 330 PM CDT SAT JUN 16 1990 ...THUNDERSTORMS ROLLING INTO EASTERN IOWA... AT 325 PM CDT RADAR SHOWS A LINE OF STRONG THUNDERSTORMS IN EASTERN IOWA...EXTENDING ACROSS WESTERN CEDAR AND WESTERN MUSCATINE COUNTIES...ABOUT 40 MILES WEST OF THE QUAD CITIES.. TO NEAR BURLINGTON IA. WHILE THE THUNDERSTORMS HAVE DECREASED IN INTENSITY..BRIEF GUSTY WINDS ALONG WITH HEAV7Y RAINFALL IS STILL LIKELY. IOWA CITY AIRPORT REPORTED WIND GUSTS TO 43 MPH AROUND 315 PM CDT. ANY ADDITONAL RAINFALL IN CEDAR AND MUSCATINE COUNTIES WILL CAUSE ADDITIONAL RISES ON COUNTY STREAMS AND RIVERS. KRAEMER
Special weather statement, Jun 16, 5:58 PM CDT, 1 hour 34 minutes before
ILZ004-IAZ015-170000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 555 PM CDT SAT JUN 16 1990 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR PARTS OF EAST IOWA AND NORTHWEST ILLINOIS UNTIL 7 PM CDT... ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 7 PM CDT... THE SEVERE THUNDERSTORM WARNING IN EFFECT UNTIL 545 PM CDT FOR WHITESIDE AND HENRY COUNTIES IN NORTHWEST ILLINOIS HAS EXPIRED. AT 545 PM CDT A LINE OF THUNDERSTORMS EXTENDED FROM 45 MILES NORTHEAST OF THE QUAD CITIES TO KEOKUK IOWA IN EXTREME SOUTHEAST IOWA. THIS LINE OF THUNDERSTORMS CONTINUED TO MOVE EAST AT 30 MILES AN HOUR. ADDITION HEAVY RAINFALL IN AREAS ALREADY FLOODING...OR NEAR FLOOD STAGE... WAS CAUSING CONTINUED PROBLEMS IN THE BI-STATE AREA THIS EVENING. MEYER
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 4:02 PM CDT | Tornado Warning | DVN | Henry, Whiteside | 28 min |
| Jun 16, 7:32 PM CDT | Flash Flood Warning | DVN | Cedar, Muscatine, Scott | 3 hr |
Nearby
Flash Flood Warnings in Illinois, 1990Flash Flood Warnings in Iowa, 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.