Alert archive / Iowa / Flash Flood Warnings in 1990
Flash Flood Warning 7, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at Jun 16, 1990, 1:28 PM CDT for Jones County, Iowa. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jun 16, 1990, 1:28 PM CDT (18:28 UTC)
- Expired
- Jun 16, 1990, 5:30 PM CDT
- In force
- 4 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties
County Jones County, IA
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, 6.5 hours before the alert went out and 359 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
- 1259 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 158 m²/s²
- 0-3 km storm-relative helicity
- 170 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 KDBQ 161840 COR
FFWDBQ
IAC105-162230-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DUBUQUE IA
128 PM CDT SAT JUN 16 1990
THE NATIONAL WEATHER SERVICE IN DUBUQUE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 530 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTHEAST IOWA
...JONES
...FLASH FLOOD WARNING FOR JONES COUNTY IN EASTERN IOWA IS EXTENDED
UNTIL 530 PM CDT...
SINCE 10 AM THIS MORNING...BRIDGES HAVE BEEN WASHED AWAY...BRIDGE
SUPPORTS ERODED AND ROADWAYS FLOODED ALL AROUND JONES COUNTY...MANY
ROADS ARE IMPASSABLE...
MOST DEATHS IN FLASH FLOODING 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.
DEROY
...CORRECTION FOR EXPIRATION TIME...530 PM CDT...
NNNNWhat 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, 7:39 AM CDT, 5 hours 49 minutes before
ILZ004-IAZ015-161330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 740 AM CDT SAT JUN 16 1990 ...SEVERE THUNDERSTORM WATCH FOR SOUTHEAST IOWA UNTIL 11 AM CDT... STRONG THUNDERSTORMS WITH HEAVY RAIN AND SMALL HAIL CONTINUE TO TRACK ACROSS EXTREME EAST CENTRAL IOWA. AT 730 AM CDT...RADAR SHOWED STRONG THUNDERSTORMS OVER WESTERN SCOTT AND EASTERN MUSCATINE COUNTIES IN EAST CENTRAL IOWA...20 MILES NORTH OF MOLINE NEAR DONAHUE TO 20 WEST OF MOLINE AROUND MUSCATINE. THESE THUNDERSTORMS HAVE PRODUCED VERY HEAVY RAIN AND LOCALIZED FLOODING HAS BEEN REPORTED AROUND WILTON IN NORTHERN MUSCATINE COUNTY. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR AND WILL MOVE THROUGH SCOTT COUNTY IOWA BETWEEN 745 AM AND 845 AM CDT. FOBERT
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 7:52 AM CDT | Flash Flood Warning | DVN | Cedar, Clinton, Muscatine, Scott | 4 hr |
| Jun 16, 10:35 AM CDT | Flash Flood Warning | DVN | Jones | 4 hr |
| Jun 16, 11:52 AM CDT | Flash Flood Warning | DVN | Clinton | 4 hr |
| Jun 16, 11:52 AM CDT | Flash Flood Warning | DVN | Cedar, Scott | 4 hr |
| Jun 16, 4:03 PM CDT | Flash Flood Warning | DVN | Cedar, Muscatine, Scott | 3 hr |
| Jun 16, 4:03 PM CDT | Flash Flood Warning | DVN | Clinton | 3 hr |
Nearby
Flash 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.