Alert archive / Iowa / Flash Flood Warnings in 1990
Flash Flood Warning 7, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at Jun 16, 1990, 9:16 AM CDT for Marion County, Warren County, Iowa. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 16, 1990, 9:16 AM CDT (14:16 UTC)
- Expired
- Jun 16, 1990, 12:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
Counties Marion County, IA, Warren 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
Omaha, NE (KOAX), launched 12:00Z, 2.3 hours before the alert went out and 254 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
- 3656 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 241 m²/s²
- 0-3 km storm-relative helicity
- 237 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 KDSM 161434
FFWDSM
IAC125-179-161700-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
916 AM CDT SAT JUN 16 1990
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1200 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH CENTRAL IOWA
...MARION...WARREN
BETWEEN 7 AND 9 AM...EXTREMELY HEAVY RAINS HAVE BEEN FALLING
THROUGHOUT WARREN AND MARION COUNTIES. THESE AREAS ARE SOME 10 TO 25
MILES SOUTH AND SOUTHEAST OF DES MOINES.
UP TO 9 AM..RAIN OF 2 TO 3.5 INCHES HAVE BEEN RECORDED THROUGHOUT MANY
LOCATIONS IN WARREN AND MARION COUNTIES. IN WARREN COUNTY...SOME
FLOODING HAS BEEN REPORTED ON SMALL CREEKS.
IN ADDITION...RADAR INDICATES THAT THE RAINS HAVE BECOME STATIONARY
OVER SOUTHERN WARREN AND MARION COUNTIES...AND THESE ADDITIONAL RAINS
WILL ADD TO THE FLOOD THREAT.
THIS WARNING INCLUDES THE CITIES OF INDIANOLA...KNOXVILLE...AND
PLEASANTIVILLE.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT'S
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD
AVOID CAMPING ALONG STREAMS OR CREEKS DURING5 THREATENING RAINS.
TRUETT/WEINBRECHTThe office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 6:13 AM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 62 min |
| Jun 16, 6:17 AM CDT | Tornado Warning | DMX | Polk | 43 min |
| Jun 16, 6:41 AM CDT | Flash Flood Warning | DMX | Polk | 3 hr |
| Jun 16, 7:12 AM CDT | Tornado Warning | DMX | Jasper | 33 min |
| Jun 16, 7:22 AM CDT | Flash Flood Warning | DMX | Dallas | 4 hr |
| Jun 16, 9:48 AM CDT | Flash Flood Warning | DMX | Johnson | 3 hr |
| Jun 16, 1:36 PM CDT | Flash Flood Warning | DMX | Union | 114 min |
| Jun 16, 1:36 PM CDT | Tornado Warning | DMX | Mahaska | 54 min |
| Jun 16, 1:36 PM CDT | Tornado Warning | DMX | Keokuk, Wapello | 44 min |
| Jun 16, 2:16 PM CDT | Severe Thunderstorm Warning | DMX | Davis, Jefferson, Van Buren | 44 min |
| Jun 16, 4:51 PM CDT | Severe Thunderstorm Warning | DMX | Adair | 39 min |
| Jun 16, 5:15 PM CDT | Severe Thunderstorm Warning | DMX | Madison, Union | 30 min |
| Jun 16, 5:49 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 26 min |
| Jun 16, 5:49 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 26 min |
| Jun 16, 6:16 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 29 min |
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.