Alert archive / Iowa / Flash Flood Warnings in 2007
Flash Flood Warning 7, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at Apr 24, 2007, 8:42 PM CDT for Cass County, Iowa. It was in force for 6 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 24, 2007, 8:42 PM CDT (01:42 UTC)
- Expired
- Apr 25, 2007, 2:45 AM CDT
- In force
- 6 hr
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Cass County, IA
The radar
The Des Moines radar (KDMX), 110 km from the middle of the area, began a volume at 01:45 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 24, 10:30 PM CDT | FLASH FLOOD | 1 Se Atlantic, IA | WATER FLOWING OVER JACKSON ROAD NEAR CASS COUNTY LANDFILL. ROAD CLOSED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 1.7 hours before the alert went out and 120 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 250144 FFWDMX IAC029-250745- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DES MOINES IA 842 PM CDT TUE APR 24 2007 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * FLASH FLOOD WARNING FOR... CASS COUNTY IN SOUTHWEST IOWA... * UNTIL 245 AM CDT WEDNESDAY... * AT 841 PM CDT...TRAINED WEATHER SPOTTERS REPORTED FLASH FLOODING FROM PERSISTENT SHOWERS AND THUNDERSTORMS OVER THE WARNED AREA. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ATLANTIC. SPOTTERS AND LOCAL LAW ENFORCEMENT HAVE REPORTED ROAD WASHOUTS ALONG HIGHWAY 92 ON THE SOUTHERN END OF CUMBERLAND...AND ALONG COUNTY HIGHWAY N28. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. 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. 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. MOVE TO HIGHER GROUND. LAT...LON 4118 9514 4118 9474 4150 9474 4150 9516 $$ SMALL
5 follow-up statements
000 WGUS73 KDMX 250313 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 1013 PM CDT TUE APR 24 2007 IAC029-250745- CASS IA- 1013 PM CDT TUE APR 24 2007 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CASS COUNTY UNTIL 245 AM CDT... AT 953 PM CDT...WEATHER SPOTTERS REPORTED THAT EXCESSIVE RAINFALL WAS PRODUCING FLASH FLOODING IN CASS COUNTY NEAR THE TOWN OF CUMBERLAND. AT 841 PM...THE CASS COUNTY SHERIFF REPORTED THAT COUNTY HIGHWAY N28 HAD AT LEAST PARTIALLY COLLAPSED DUE TO FLOODING. SPOTTERS ALSO REPORTED OTHER WASHOUTS POSSIBLE ALONG HIGHWAY 92. AUTOMATED RAIN GAGES AND SPOTTER REPORTS INDICATED THAT 1.50 TO 2.50 INCHES OF RAIN HAS FALLEN IN THE PAST SIX HOURS. AT 958 PM...SPOTTERS ALSO REPORTED CONSIDERABLE BASEMENT FLOODING IN ANITA WITH 3.22 INCHES OF RAIN TODAY. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. LAT...LON 4118 9514 4118 9474 4150 9474 4150 9516 $$ SMALL
000 WGUS73 KDMX 250425 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 1117 PM CDT TUE APR 24 2007 IAC029-250745- CASS IA- 1117 PM CDT TUE APR 24 2007 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CASS COUNTY UNTIL 245 AM CDT... AT 1115 PM CDT...CASS COUNTY EMERGENCY MANAGEMENT OFFICIALS CONTINUED TO INDICATE FLASH FLOODING NEAR CUMBERLAND AND ATLANTIC. COUNTY ROAD N28 WAS TOTALLY WASHED OUT JUST SOUTH OF CUMBERLAND WHICH RESULTED IN A GAS MAIN BREAK. JACKSON ROAD JUST SOUTHEAST OF ATLANTIC NEAR THE CASS COUNTY LANDFILL WAS CLOSED DUE TO WATER FLOWING OVER THE ROAD. ALTHOUGH ADDITIONAL RAINS ARE NOT EXPECTED UNTIL AT LEAST THE EARLY MORNING HOURS...THE THREAT OF FLASH FLOODING WILL CONTINUE. AUTOMATED RAIN GAGES HAVE INDICATED THAT OVER 2 INCHES OF RAIN HAS FALLEN OVER MUCH OF CASS COUNTY SINCE MIDNIGHT. 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 4118 9514 4118 9474 4150 9474 4150 9516 $$ SMALL
000 WGUS73 KDMX 250617 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 110 AM CDT WED APR 25 2007 IAC029-250745- CASS IA- 110 AM CDT WED APR 25 2007 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CASS COUNTY UNTIL 245 AM CDT... AT 105 AM...CASS COUNTY LAW ENFORCEMENT INDICATED WATER ALONG THE FLOODED SEVEN MILE CREEK IN CUMBERLAND WERE RECEDING. THE FLOOD WATER WASHED OUT A SEGMENT OF COUNTY ROAD N28 IN CUMBERLAND. JACKSON ROAD JUST SOUTHEAST OF ATLANTIC NEAR THE CASS COUNTY LANDFILL WAS CLOSED DUE TO WATER FLOWING OVER THE ROAD. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. LAT...LON 4118 9514 4118 9474 4150 9474 4150 9516 $$ RUSSELL
000 WGUS73 KDMX 250725 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 218 AM CDT WED APR 25 2007 IAC029-250745- CASS IA- 218 AM CDT WED APR 25 2007 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CASS COUNTY UNTIL 245 AM CDT... AT 215 AM...CASS COUNTY LAW ENFORCEMENT REPORTED THE WATER LEVELS ALONG SEVEN MILE CREEKS AT CUMBERLAND HAD RECEDED TO NORMAL LEVEL. HOWEVER THE PREVIOUS FLOODING COMPLETELY WASHED OUT A SEGMENT OF COUNTY ROAD N18 IN CUMBERLAND...LEAVING THE ROAD BLOCKED. IN ADDITION...A SEGMENT OF JACKSON ROAD NEAR ATLANTIC WAS STILL CLOSED DUE TO FLOOD WATER RUNNING OVER THE ROAD. 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. 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 4118 9514 4118 9474 4150 9474 4150 9516 $$ RUSSELL
000 WGUS73 KDMX 250751 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 250 AM CDT WED APR 25 2007 IAC029-250800- CASS IA- 250 AM CDT WED APR 25 2007 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CASS COUNTY HAS BEEN ALLOWED TO EXPIRE... EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS AND CREEKS IN THE WARNED AREA HAVE RECEDED...ENDING THE FLOOD THREAT. A SEGMENT OF COUNTY ROAD N28 IN CUMBERLAND HAS BEEN CLOSED DUE TO DAMAGE FROM FLASH FLOODING. A SECTION OF JACKSON ROAD NEAR ATLANTIC ALSO WILL REMAIN CLOSED OVERNIGHT AS WATER HAS ONLY RECENTLY RECEDED. IF OTHER FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY. LAT...LON 4118 9514 4118 9474 4150 9474 4150 9516 $$ RUSSELL
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 8:53 PM CDT | Flash Flood Warning | DMX | Adair, Guthrie | 3 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.