Alert archive / Iowa / Flash Flood Warnings in 2007
Flash Flood Warning 4, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at Mar 14, 2007, 11:39 AM CDT for Dallas County, Iowa. It was in force for 6 hr. 3 reports 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
- Mar 14, 2007, 11:39 AM CDT (16:39 UTC)
- Expired
- Mar 14, 2007, 5:30 PM CDT
- In force
- 6 hr
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Dallas County, IA
The radar
The Des Moines radar (KDMX), 27 km from the middle of the area, began a volume at 16:40 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 |
|---|---|---|---|
| Mar 14, 12:12 PM CDT | FLASH FLOOD | Adel, IA | ICE JAM FLOODING. ICE JAM ON HIGHWAY 161 RIDGE ALONG NORTH RACOON WAS BROKEN. MINOR FLASH FLOODING REPORTED DOWN STREAM. |
| Mar 14, 12:27 PM CDT | FLASH FLOOD | 5 N Adel, IA | MORE ICE AND LARGE AMOUNT OF DEBRIS AND TREES APPROACHING FROM UPSTREAM ON RACCOON RIVER NEAR HIGHWAY 169. RIVER BACKING UP ONE HALF MILE OUT OF ITS BANKS. |
| Mar 14, 12:35 PM CDT | FLASH FLOOD | N Adel, IA | WATER ON HIGHWAY 169 SOUTHBOUND LANE. |
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 12:00Z, 4.7 hours before the alert went out and 198 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
- 775 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 74 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 141640 FFWDMX IAC049-142230- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DES MOINES IA 1139 AM CDT WED MAR 14 2007 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * FLASH FLOOD WARNING FOR... DALLAS COUNTY IN CENTRAL IOWA... * UNTIL 530 PM CDT WEDNESDAY * AT 1110 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLOODING DUE TO AN ICE JAM ON THE NORTH RACCOON RIVER AT ADEL. * THE ICE JAM WAS OCCURRING AT THE HIGHWAY 169 BRIDGE ON THE NORTH SIDE OF ADEL AND FLOODING WILL OCCUR ON THE UPSTREAM NORTHWEST SIDE OF THE BRIDGE UNTIL THE ICE JAM BREAKS. FLOODING WILL LIKELY CONTINUE IN LOWLAND RECREATIONAL AREAS AND MAY EXPAND UPSTREAM ALONG THE NORTH RACCOON RIVER IF THE ICE JAM PERSISTS. FLOODING IS ALSO POSSIBLE IN LOW LYING AREAS ON THE NORTH AND EAST SIDE OF ADEL WHEN THE ICE JAM BREAKS. BE ALERT FOR RAPIDLY CHANGING RIVER LEVELS SINCE IT IS DIFFICULT TO PREDICT WHEN THE ICE JAM WILL BREAK. DO NOT DRIVE INTO WATER THAT COVERS ROADS. LAT...LON 4151 9401 4156 9391 4181 9407 4181 9425 $$ JUNGBLUTH
6 follow-up statements
000 WGUS73 KDMX 141734 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 1233 PM CDT WED MAR 14 2007 IAC049-142230- DALLAS IA- 1233 PM CDT WED MAR 14 2007 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR DALLAS COUNTY UNTIL 530 PM CDT... AT 1230 PM CDT...RECENT REPORTS INDICATED THAT THERE WAS SOME MOVEMENT ON THE ICE JAM ALONG THE HIGHWAY 169 BRIDGE NORTH OF ADEL. HOWEVER...ICE CONTINUES TO BUILDUP BEHIND THE BRIDGE FOR AT LEAST ONE HALF MILE WITH FLASH FLOODING CONTINUING. THE FLOODING IS EXPECTED TO PERSIST FOR SOME TIME UNTIL THE JAM BEGINS TO BREAK. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. LAT...LON 4151 9401 4156 9391 4181 9407 4181 9425 $$ COGIL
000 WGUS73 KDMX 141838 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 135 PM CDT WED MAR 14 2007 ...ICE JAM CONTINUES NEAR ADEL... IAC049-142230- DALLAS IA- 135 PM CDT WED MAR 14 2007 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR DALLAS COUNTY UNTIL 530 PM CDT... AT 133 PM CDT...DALLAS COUNTY EMERGENCY MANAGEMENT OFFICIALS REPORTED THAT THE ICE JAM HAS REMAINED IN PLACE AT THE HIGHWAY 169 BRIDGE NORTH OF ADEL. THIS WAS PRODUCING FLASH FLOODING NEAR AND UPSTREAM OF THE ICE JAM. PORTIONS OF THE DALLAS COUNTY FAIRGROUNDS HAVE BEEN INUNDATED WITH WATER NOW COVERING PORTIONS OF HIGHWAY 169. THE FLOODING IS EXPECTED TO CONTINUE AS LONG AS THE ICE JAM REMAINS IN PLACE. SHOULD THE ICE JAM BREAK...LOCATIONS DOWNSTREAM OF THE HIGHWAY 169 BRIDGE CAN EXPECT RAPID RISES IN WATER IN A VERY SHORT PERIOD OF TIME. 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 4151 9401 4156 9391 4181 9407 4181 9425 $$ COGIL
000 WGUS73 KDMX 141935 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 235 PM CDT WED MAR 14 2007 IAC049-142230- DALLAS IA- 235 PM CDT WED MAR 14 2007 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR DALLAS COUNTY UNTIL 530 PM CDT... DALLAS COUNTY EMERGENCY MANAGEMENT REPORTED THAT AN ICE JAM CONTINUES ON THE NORTH RACCOON RIVER AT THE HIGHWAY 169 BRIDGE NORTH OF ADEL. THIS JAM WAS PRODUCING FLASH FLOODING NEAR AND UPSTREAM OF THE BRIDGE. THE DALLAS COUNTY FAIRGROUNDS HAVE HAD PROBLEMS WITH INUNDATION FROM THE HIGH WATER. WATER HAS ALSO BEEN REPORTED OVER HIGHWAY 169 NEAR THE BRIDGE. THE RISING WATER WILL CONTINUE THROUGH THE AFTERNOON AS THE ICE JAM OBSTRUCTS THE FLOW OF THE RIVER. SHOULD THE ICE JAM BREAK...FLASH FLOODING WILL REMAIN POSSIBLE DOWNSTREAM OF THE BRIDGE. VERY QUICK RISES WOULD OCCUR WITH INUNDATION OCCURRING IN UNDER ONE HOUR. BE PREPARED TO MOVE TO HIGHER GROUND QUICKLY. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. LAT...LON 4151 9401 4156 9391 4181 9407 4181 9425 $$ COGIL
000 WGUS73 KDMX 142031 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 330 PM CDT WED MAR 14 2007 IAC049-142230- DALLAS IA- 330 PM CDT WED MAR 14 2007 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR DALLAS COUNTY UNTIL 530 PM CDT... AT 325 PM CDT...LAW ENFORCEMENT REPORTED THAT AN ICE JAM CONTINUES ON THE NORTH RACCOON RIVER JUST NORTH OF ADEL AT THE HIGHWAY 169 BRIDGE. HIGHWAY 169 HAS NOW BEEN CLOSED DUE TO WATER FLOWING OVER THE HIGHWAY. THE DALLAS COUNTY FAIRGROUND ALSO CONTINUE TO HAVE INUNDATION PROBLEMS WITH THE RISING WATER. ADDITIONAL FLOODING NEAR AND UPSTREAM OF THE ICE JAM CAN BE EXPECTED THROUGH LATE AFTERNOON. SHOULD THE ICE JAM BREAK...RAPID RISES DOWNSTREAM OF THE HIGHWAY 169 BRIDGE CAN BE EXPECTED. A FLASH FLOOD WATCH IS IN AFFECT FOR THESE AREAS FOR THE POSSIBILITY OF RAPID INUNDATION DUE TO THE ICE JAM BREAKING. 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 4151 9401 4156 9391 4181 9407 4181 9425 $$
000 WGUS73 KDMX 142132 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 430 PM CDT WED MAR 14 2007 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR DALLAS COUNTY UNTIL 530 PM CDT... IAC049-142230- DALLAS IA- 430 PM CDT WED MAR 14 2007 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR DALLAS COUNTY UNTIL 530 PM CDT... AT 425 PM CDT...LAW ENFORCEMENT REPORTED THAT AN ICE JAM CONTINUES ON THE NORTH RACCOON RIVER JUST NORTH OF ADEL AT THE HIGHWAY 169 BRIDGE. HOWEVER...LAW ENFORCEMENT REPORTS THAT WATER HAS RECEDED OFF OF HIGHWAY 169 AND IT IS NOW OPEN. THE DALLAS COUNTY FAIRGROUND ALSO CONTINUE TO HAVE INUNDATION PROBLEMS WITH THE RISING WATER...WITH FLOODING ON PARKING LOTS ON THE SOUTH SIDE OF THE FAIRGROUNDS. ADDITIONAL FLOODING NEAR AND UPSTREAM OF THE ICE JAM CAN BE EXPECTED THROUGH EARLY AFTERNOON. SHOULD THE ICE JAM BREAK...RAPID RISES DOWNSTREAM OF THE HIGHWAY 169 BRIDGE CAN BE EXPECTED. A FLASH FLOOD WATCH IS IN AFFECT FOR THESE AREAS FOR THE POSSIBILITY OF RAPID INUNDATION DUE TO THE ICE JAM BREAKING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. LAT...LON 4151 9401 4156 9391 4181 9407 4181 9425 $$ KINNEY
000 WGUS73 KDMX 142234 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 527 PM CDT WED MAR 14 2007 ...FLASH FLOOD WARNING FOR DALLAS COUNTY ALLOWED TO EXPIRE... IAC049-150030- DALLAS IA- 527 PM CDT WED MAR 14 2007 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR DALLAS COUNTY HAS BEEN ALLOWED TO EXPIRE... AT 515 PM...DALLAS COUNTY EMERGENCY MANAGEMENT REPORTED THAT ICE JAM FLOODING ON THE NORTH RACCOON RIVER...JUST NORTH OF ADEL AT THE HIGHWAY 169 BRIDGE...WAS NO LONGER OCCURRING. DOT WORKERS ARE CONTINUING TO CLEAR DEBRIS AT THAT LOCATION...AND TRAFFIC WAS TEMPORARILY LIMITED TO ONE LANE...BUT WATER WAS NO LONGER ON THE ROADWAY. ALTHOUGH THE NEAR TERM FLASH FLOOD THREAT HAS ENDED...RIVER LEVELS CONTINUE TO BE HIGH...AND THERE IS STILL A RISK OF ADDITIONAL SHORT TERM ICE JAM FLOODING OVERNIGHT INTO THURSDAY. A FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL NOON ON FRIDAY. LAT...LON 4151 9401 4156 9391 4181 9407 4181 9425 $$ KINNEY
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 14, 11:29 AM CDT | Flash Flood Watch | DMX | Boone, Dallas, Emmet, Humboldt, Kossuth, Palo Alto and 3 more | 28 hr |
| Mar 14, 12:12 PM CDT | Flash Flood Warning | DMX | Emmet | 6 hr |
| Mar 14, 6:11 PM CDT | Flash Flood Warning | DMX | Emmet | 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.