Alert archive / Iowa / Flash Flood Warnings in 2007
Flash Flood Warning 8, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at Apr 24, 2007, 8:53 PM CDT for Adair County, Guthrie County, Iowa. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 24, 2007, 8:53 PM CDT (01:53 UTC)
- Expired
- Apr 25, 2007, 12:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
Counties Adair County, IA, Guthrie County, IA
The radar
The Des Moines radar (KDMX), 68 km from the middle of the area, began a volume at 01:54 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 1.9 hours before the alert went out and 158 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
- 517 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 254 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KDMX 250155 FFWDMX IAC001-077-250500- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DES MOINES IA 853 PM CDT TUE APR 24 2007 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHERN ADAIR COUNTY IN SOUTHWEST IOWA... GUTHRIE COUNTY IN WEST CENTRAL IOWA... * UNTIL MIDNIGHT CDT... * AT 849 PM CDT...THE PUBLIC REPORTED FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO STUART... PANORA AND GUTHRIE CENTER. AT 848 PM...THE PUBLIC REPORTED WATER OVER WHITEPOLE ROAD...OLD HIGHWAY 6...BETWEEN ADAIR AND CASEY. NATIONAL WEATHER SERVICE DOPPLER RADAR ALSO ESTIMATED THAT 1 TO 2 INCHES OF ADDITIONAL RAIN HAS FALLEN IN THE WARNED AREA SINCE 600 PM. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. LAT...LON 4122 9470 4137 9427 4182 9430 4168 9472 $$ SMALL
3 follow-up statements
000 WGUS73 KDMX 250325 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 1025 PM CDT TUE APR 24 2007 IAC001-077-250500- ADAIR IA-GUTHRIE IA- 1025 PM CDT TUE APR 24 2007 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR GUTHRIE AND NORTHERN ADAIR COUNTIES UNTIL MIDNIGHT CDT... ALTHOUGH THE PRECIPITATION WAS BEGINNING TO DIMINISH IN INTENSITY...FLASH FLOODING WILL STILL REMAIN POSSIBLE IN GUTHRIE AND NORTHERN ADAIR COUNTIES THIS EVENING. ALTHOUGH CALLS TO THE GUTHRIE AND ADAIR COUNTY SHERIFF OFFICES DID NOT NOTE ANY ADDITIONAL FLOODING...AT 848 PM THE PUBLIC REPORTED WATER OVER WHITE POLE ROAD...OR OLD HIGHWAY 6...BETWEEN ADAIR AND CASEY. AN AUTOMATED RAIN GAGE BETWEEN ADAIR AND CASEY IN EXTREME SOUTHERN GUTHRIE COUNTY REPORTED 2.24 INCHES OF RAIN SINCE 400 PM. AT 1018 PM...TRAINED SPOTTERS IN GUTHRIE CENTER REPORTED 2.63 INCHES OF RAIN SINCE MIDNIGHT WITH BASEMENT FLOODING. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...GREENFIELD...GUTHRIE CENTER...PANORA AND STUART. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA...MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. LAT...LON 4122 9470 4137 9427 4182 9430 4168 9472 $$ SMALL
000 WGUS73 KDMX 250435 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 1135 PM CDT TUE APR 24 2007 IAC001-077-250500- ADAIR IA-GUTHRIE IA- 1135 PM CDT TUE APR 24 2007 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR GUTHRIE AND NORTHERN ADAIR COUNTIES UNTIL MIDNIGHT CDT... ALTHOUGH THE PRECIPITATION HAD DIMINISHED IN INTENSITY...FLASH FLOODING WILL STILL REMAIN POSSIBLE IN GUTHRIE AND NORTHERN ADAIR COUNTIES LATE THIS EVENING. ALTHOUGH CALLS TO THE GUTHRIE AND ADAIR COUNTY SHERIFF OFFICES DID NOT NOTE ANY ADDITIONAL FLOODING...AT 848 PM THE PUBLIC REPORTED WATER OVER WHITE POLE ROAD...OR OLD HIGHWAY 6...BETWEEN ADAIR AND CASEY. AN AUTOMATED RAIN GAGE BETWEEN ADAIR AND CASEY IN EXTREME SOUTHERN GUTHRIE COUNTY REPORTED 2.99 INCHES OF RAIN SINCE 1100 AM. AT 1018 PM...TRAINED SPOTTERS IN GUTHRIE CENTER REPORTED 2.63 INCHES OF RAIN SINCE MIDNIGHT WITH BASEMENT FLOODING. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...GREENFIELD...GUTHRIE CENTER...PANORA AND STUART. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN DES MOINES. LAT...LON 4122 9470 4137 9427 4182 9430 4168 9472 $$ SMALL
000 WGUS73 KDMX 250514 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 1214 AM CDT WED APR 25 2007 IAC001-077-250517- ADAIR IA-GUTHRIE IA- 1214 AM CDT WED APR 25 2007 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR GUTHRIE AND NORTHERN ADAIR COUNTIES HAS BEEN ALLOWED TO EXPIRE... EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OR DIMINISHED OVER THE WARNED AREA. STREAMS AND CREEKS HAVE GRADUALLY RECEDED OR WERE BEGINNING TO RECEDE...ENDING THE FLASH FLOOD THREAT. THERE HAVE BEEN NO REPORTS OF FLASH FLOODING FROM THE GUTHRIE OR ADAIR SHERIFF OFFICES NOR TRAINED SPOTTERS FOR THE PAST SEVERAL HOURS. NONE HAVE BEEN RECEIVED SINCE 848 PM. HOWEVER STANDING WATER WILL LIKELY STILL BE PRESENT ON ROADS...POOR DRAINAGE AREAS...AND SOME BASEMENTS. LAT...LON 4122 9470 4137 9427 4182 9430 4168 9472 $$ SMALL
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 8:42 PM CDT | Flash Flood Warning | DMX | Cass | 6 hr |
Nearby
Flash Flood Warnings in Iowa, 2007Every flash flood warning in 2007
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; radar from the NEXRAD Level II archive.