Alert archive / Iowa / Flash Flood Warnings in 1992
Flash Flood Warning 1, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at Apr 10, 1992, 6:10 PM CDT for Madison County, Warren County, Iowa. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Apr 10, 1992, 6:10 PM CDT (23:10 UTC)
- Expired
- Apr 10, 1992, 8:15 PM CDT
- In force
- 2 hr
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
Counties Madison County, IA, Warren County, IA
The nearest sounding before it
Omaha, NE (KOVN), launched 12:00Z, 11.2 hours before the alert went out and 216 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
- 647 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 245 m²/s²
- 0-3 km storm-relative helicity
- 265 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDSM 102311 FFWDSM IAC121-181-110115- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DES MOINES IA 610 PM CDT FRI APR 10 1992 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 815 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL IOWA ...EASTERN MADISON COUNTY...SOUTHERN WARREN COUNTY AT 605 PM...OVER 4 INCHES OF RAIN HAD FELL WITHIN A SHORT SPAN OF TIME OVER EASTERN MADISON COUNTY. A WEATHER SPOTTER REPORTED OVER 4 INCHES OF RAIN NEAR THE JUNCTION OF HIGHWAY 92 NEAR WINTERSET. PEOPLE LIVING ALONG THE REACHES OF THE MIDDLE RIVER AND SOUTH RIVER SHOULD MOVE TO HIGHER GR NIMMEDIATELY. ADDITIONAL...RAINS WILL AGGRAVATE THE FLOODING THAT ALREADY IS OCCURRING OVER EASTERN MADISON COUNTY. 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 rHEAVY RAINS. CAMPERS SHOULD AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS. JM
What 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, Apr 10, 3:41 PM CDT, 2 hours 29 minutes before
IAZALL-102140- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 340 PM CDT FRI APR 10 1992 ...A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF THE SOUTHEAST HALF OF IOWA UNTIL 10 PM THIS FRIDAY EVENING... AT 327 PM CDT...WIDELY SCATTERED THUNDERSTORMS WITH HEAVY RAIN WERE OCCURRING OVER CENTRAL THROUGH SOUTHWEST IOWA. THE STORMS WERE WITHIN A 25 MILE WIDE BAND FROM 40 MILES WEST OF DES MOINES TO 30 MILES SOUTHEbAST OF OMAHA/COUNCIL BLUFFS. THE STORMS WERE MOVING EAST AT 35 MILES AN HOUR. RICHTER
Special weather statement, Apr 10, 4:15 PM CDT, 1 hour 55 minutes before
IAZALL-102210- SPECIAL WEATHER STATEMENT AND IOWA WEATHER UPDATE NATIONAL WEATHER SERVICE DES MOINES IA 412 PM CDT FRI APR 10 1992 ...A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF THE SOUTHEAST HALF OF IOWA UNTIL 10 PM THIS FRIDAY EVENING... AT 405 PM CDT...A THUNDERSTORM WITH HEAVY RAIN WAS OVER SOUTHWEST IOWA. THE STORM WAS LOCATED 50 MILES EAST OF OMAHA/COUNCIL BLUFFS...NEAR ANITA. THE STORM WAS MOVING EAST AT 40 MILES AN HOUR. THE STORM WILL BE MOVING INTO EAST DALLAS COUNTY NEAR REDFIELD...OR 25 MILES EAST OF DES MOINES AT 5 PM. OTHER THUNDERSTORMS WILL DEVELOP OVER CENTRAL THROUGH SOUTHWEST IOWA. RICHTER
Special weather statement, Apr 10, 4:44 PM CDT, 1 hour 26 minutes before
IAZALL-102240- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 440 PM CDT FRI APR 10 1992 ...A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF THE SOUTHEAST HALF OF IOWA UNTIL 10 PM THIS FRIDAY EVENING... AT 430 PM CDT...A VERY STRONG THUNDERSTORM WAS LOCATED OVER CENTRAL IOWA. THE STORM WAS LOCATED 25 MILES NORTHEAST OF DES MOINES. LARGE HAIL AND HEAVY RAIN ARE POSSIBLE WITH THIS STORM. OTHER THUNDERSTORMS AND RAIN SHOWERS WERE OCCURRING OVER THE SOUTHWEST. THE BAND OF STORMS AND SHOWERS WAS 25 MILES WIDE AND CENTERED FROM REDFIELD...OR 25 MILES WEST OF DES MOINES...TO 35 MILES SOUTHEAST OF OMAHA/COUNCIL BLUFFS. THE STORMS WERE MOVING EAST AT 40 MILES AN HOUR. IF YOU SEE THREATENING WEATHER...TAKE SHELTER IMMEDIATELY AND KEEP ABREAST OF THE LATEST WEATHER INFORMATION. RICHTER/MILLER
Special weather statement, Apr 10, 5:02 PM CDT, 1 hour 8 minutes before
IAZALL-102310- SPECIAL WEATHER STATEMENT AND IOWA WEATHER UPDATE NATIONAL WEATHER SERVICE DES MOINES IA 502 PM CDT FRI APR 10 1992 ...A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF THE SOUTHEAST HALF OF IOWA UNTIL 10 PM THIS FRIDAY EVENING... AT 500 PM CDT...A VERY STRONG THUNDERSTORM WITH VERY HEAVY RAIN WAS INDICATED OVER SOUTHWEST IOWA. THE STORM WAS INDICATED OVER GREENFIELD ...OR 45 MILES SOUTHWEST OF DES MOINES. MARBLE TO GOLF BALL SIZED HAIL AND GUSTY SURFACE WINDS WERE REPORTED WITH THIS STORM. THE STORM WAS MOVING EAST AT 40 MILES AN HOUR. THE STORM WILL BE MOVING INTO SOUTHERN MADISON COUNTY...SOUTH OF WINTERSET ...AT 545 PM. RICHTER
Special weather statement, Apr 10, 5:45 PM CDT, 25 minutes before
IAZALL-102345- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 545 PM CDT FRI APR 10 1992 ...A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF THE SOUTHEAST HALF OF IOWA UNTIL 10 PM THIS FRIDAY EVENING... AT 532 PM CDT...AN INTENSE THUNDERSTORM WAS INDICATED OVER CENTRAL IOWA. THE STORM WAS LOCATED 25 MILES SOUTHWEST OF DES MOINES OVER WINTERSET. MARBLE TO GOLF BALL SIZED HAIL...GUSTS UP TO 70 MILES AN HOUR...AND BRIEF VERY HEAVY RAIN WERE REPORTED WITH THIS STORM. ALSO...OTHER STRONG THUNDERSTORMS WERE LOCATED 20 MILES SOUTHEAST OF DES MOINES. THE STORMS WERE MOVING EAST AT 35 MILES AN HOUR. IF YOU SEE THREATENING WEATHER...TAKE SHELTER IMMEDIATELY AND KEEP ABREAST OF THE LATEST WEATHER INFORMATION. RICHTER/MILLER
Special weather statement, Apr 10, 6:05 PM CDT, 5 minutes before
IAZALL-110010- SPECIAL WEATHER STATEMENT AND IOWA WEATHER UPDATE NATIONAL WEATHER SERVICE DES MOINES IA 605 PM CDT FRI APR 10 1992 ...A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF THE SOUTHEAST HALF OF IOWA UNTIL 10 PM THIS FRIDAY EVENING... AT 600 PM CDT...A LINE OF INTENSE THUNDERSTORMS WERE INDICATED OVER CENTRAL THROUGH SOUTHWEST IOWA. THE STORMS WERE WITHIN A 20 MILE WIDE BAND CENTERED FROM PELLA...OR 35 MILES SOUTHEAST OF DES MOINES...TO CESTON...OR 35 MILES NORTHWEST OF LAMONI. REPORTS OF MARBLE TO GOLF BALL SIZED HAIL...STRONG GUSTY WINDS TO 70 MILES AN HOUR...AND BRIEF VERY HEAVY RAIN WERE ASSOCIATED WITH THESE STORMS. THE STORMS WERE MOVING EAST AT 35 MILES AN HOUR. THSES STORMS WILL BE INTO SOUTHERN WARREN AND NORTHERN MAHASKA COUNTIES WITHIN THE NEXT 30 MINUTES. TAKE SHELTER IF THREATENING WEATHER APPROACHES YOUR AREA. RICHTER/MILLER
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 6:18 AM CDT | Severe Thunderstorm Warning | DMX | Decatur, Wayne | 42 min |
| Apr 10, 3:57 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall | 72 min |
| Apr 10, 4:30 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall | |
| Apr 10, 4:55 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Madison | 25 min |
| Apr 10, 5:12 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 48 min |
| Apr 10, 5:37 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 53 min |
| Apr 10, 5:46 PM CDT | Severe Thunderstorm Warning | DMX | Buchanan | 44 min |
| Apr 10, 5:53 PM CDT | Severe Thunderstorm Warning | DMX | Madison | 52 min |
| Apr 10, 5:57 PM CDT | Severe Thunderstorm Warning | DMX | Marion | 63 min |
| Apr 10, 6:26 PM CDT | Severe Thunderstorm Warning | DMX | Linn | 34 min |
| Apr 10, 6:27 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Poweshiek | 63 min |
| Apr 10, 6:34 PM CDT | Severe Thunderstorm Warning | DMX | Warren | 34 min |
Nearby
Flash Flood Warnings in Iowa, 1992Every flash flood warning in 1992
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.