Alert archive / Iowa / Flash Flood Warnings in 2007
Flash Flood Warning 83, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at Aug 23, 2007, 7:49 PM CDT for Ringgold County, Union 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
- Aug 23, 2007, 7:49 PM CDT (00:49 UTC)
- Expired
- Aug 24, 2007, 1:45 AM CDT
- In force
- 6 hr
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
Counties Ringgold County, IA, Union County, IA
The radar
The Des Moines radar (KDMX), 104 km from the middle of the area, began a volume at 00:50 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 |
|---|---|---|---|
| Aug 23, 9:00 PM CDT | FLASH FLOOD | Creston, IA | WATER OVER SEVERAL COUNTY ROADS. WATER HAS RECEDED BUT MOST CREEKS REMAIN OUT OF THEIR BANKS. TIME ESTIMATED. |
| Aug 24, 12:30 AM CDT | FLASH FLOOD | 1 S Creston, IA | SOUTH CHERRY STREET CLOSED DUE TO FLASH FLOODING. |
| Aug 24, 1:00 AM CDT | FLASH FLOOD | Thayer, IA | THROUGHOUT EAST AND SOUTHEAST PORTIONS OF UNION COUNTY FLOODING IS WIDESPREAD. THOMPSON RIVER AND TRIBUTARIES WELL OUT OF BANKS. SEVERAL GRAVEL ROADS UNDER WATER WITH TREES ON ROADS CARRIED BY FLOOD WATERS. |
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, 0.8 hours before the alert went out and 185 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
- 820 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 922 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KDMX 240049 FFWDMX IAC159-175-240645- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DES MOINES IA 749 PM CDT THU AUG 23 2007 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHERN RINGGOLD COUNTY IN SOUTH CENTRAL IOWA... UNION COUNTY IN SOUTH CENTRAL IOWA... * UNTIL 145 AM CDT. * AT 742 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CRESTON. 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. 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 4106 9449 4117 9403 4090 9402 4075 9448 TIME...MOT...LOC 0049Z 180DEG 0KT 4099 9434 $$
5 follow-up statements
000 WGUS73 KDMX 240138 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 836 PM CDT THU AUG 23 2007 IAC159-175-240645- RINGGOLD IA-UNION IA- 836 PM CDT THU AUG 23 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR UNION AND NORTHERN RINGGOLD COUNTIES... AT 832 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER THE WARNED AREA. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CRESTON. NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THREE TO FOUR INCHES OF RAINFALL THIS EVENING OVER THE WARNED AREA. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FRIDAY MORNING FOR SOUTHERN IOWA. LAT...LON 4106 9449 4117 9403 4090 9402 4075 9448 TIME...MOT...LOC 0136Z 180DEG 0KT 4099 9434 $$
000 WGUS73 KDMX 240252 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 951 PM CDT THU AUG 23 2007 IAC159-175-240645- RINGGOLD IA-UNION IA- 951 PM CDT THU AUG 23 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR UNION AND NORTHERN RINGGOLD COUNTIES... AT 948 PM CDT...A THUNDERSTORM PRODUCING VERY HEAVY RAIN WAS REPORTED OVER THE WARNED AREA. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CRESTON RAINFALL ESTIMATES AND RAIN GAGE REPORTS ANYWHERE FROM FOUR TO SIX INCHES OF RAIN HAS FALLEN OVER THE WARNED AREAS IN THE PAST THREE HOURS. UP TO 4.6 INCHES OF RAINFALL HAS FALLEN AT AFTON IN UNION COUNTY. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FRIDAY MORNING FOR SOUTHERN IOWA. LAT...LON 4106 9449 4117 9403 4090 9402 4075 9448 TIME...MOT...LOC 0251Z 180DEG 0KT 4099 9434 $$
000 WGUS73 KDMX 240350 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 1048 PM CDT THU AUG 23 2007 IAC159-175-240645- RINGGOLD IA-UNION IA- 1048 PM CDT THU AUG 23 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR UNION AND NORTHERN RINGGOLD COUNTIES... AT 1044 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THAT THE RAIN HAS LET UP FOR THE MOMENT...BUT MORE THUNDERSTORMS WITH HEAVY RAINFALL WILL BE MOVING INTO UNION AND RINGGOLD COUNTIES FROM NORTHERN MISSOURI AND WESTERN IOWA. RAINFALL ESTIMATES AND RAIN GAGE REPORTS ANYWHERE FROM FOUR TO SIX INCHES OF RAIN HAS FALLEN OVER THE WARNED AREAS IN THE PAST THREE HOURS. UP TO 4.7 INCHES OF RAINFALL HAS FALLEN AT AFTON IN UNION COUNTY. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CRESTON EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FRIDAY MORNING FOR SOUTHERN IOWA. LAT...LON 4106 9449 4117 9403 4090 9402 4075 9448 TIME...MOT...LOC 0348Z 180DEG 0KT 4099 9434 $$
000 WGUS73 KDMX 240446 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 1144 PM CDT THU AUG 23 2007 IAC159-175-240645- RINGGOLD IA-UNION IA- 1144 PM CDT THU AUG 23 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR UNION AND NORTHERN RINGGOLD COUNTIES... AT 1139 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THAT THE RAIN WILL INCREASE OVER THE NEXT HOUR AS HEAVY THUNDERSTORMS MOVE OUT OF PAGE AND TAYLOR COUNTIES INTO THE WARNED AREA. RAINFALL ESTIMATES AND RAIN GAGE REPORTS ANYWHERE FROM FOUR TO SIX INCHES OF RAIN HAS FALLEN OVER THE WARNED AREAS IN THE PAST THREE HOURS. UP TO 4.7 INCHES OF RAINFALL HAS FALLEN AT AFTON IN UNION COUNTY. AN ADDITIONAL ONE TO TWO INCHES OF RAINFALL MAY FALL WITH THE NEXT ROUND OF THUNDERSTORMS IN THE NEXT SEVERAL HOURS. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CRESTON 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. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FRIDAY MORNING FOR SOUTHERN IOWA. LAT...LON 4106 9449 4117 9403 4090 9402 4075 9448 TIME...MOT...LOC 0444Z 180DEG 0KT 4099 9434 $$
000 WGUS73 KDMX 240542 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 1238 AM CDT FRI AUG 24 2007 IAC159-175-240645- RINGGOLD IA-UNION IA- 1238 AM CDT FRI AUG 24 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR UNION AND NORTHERN RINGGOLD COUNTIES AND THIS WARNING IS LIKELY TO BE EXTENDED THOUGH THE MORNING HOURS... AT 1234 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THAT ADDITIONAL MODERATE TO HEAVY RAIN WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT HOUR. RAINFALL ESTIMATES AND RAIN GAGE REPORTS ANYWHERE FROM FOUR TO SIX INCHES OF RAIN HAS FALLEN OVER THE WARNED AREAS IN THE PAST THREE HOURS. UP TO 4.7 INCHES OF RAINFALL HAS FALLEN AT AFTON IN UNION COUNTY. AN ADDITIONAL ONE TO TWO INCHES OF RAINFALL MAY FALL WITH THE NEXT ROUND OF THUNDERSTORMS IN THE NEXT SEVERAL HOURS. THE UNION COUNTY EMERGENCY MANAGER REPORTS THAT WATER HAD BEEN OVER SEVERAL COUNTY ROADS...BUT HAD RECEDED. MOST CREEKS REMAIN OUT OF THEIR BANKS...SOME TREES ARE BLOCKING SOME COUNTY ROADS. TRAVEL IS DISCOURAGED THROUGHOUT THE COUNTY TONIGHT. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CRESTON EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. LAT...LON 4106 9449 4117 9403 4090 9402 4075 9448 TIME...MOT...LOC 0538Z 180DEG 0KT 4099 9434 $$ VACHALEK
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 7:11 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 23 min |
| Aug 23, 7:41 PM CDT | Flash Flood Warning | DMX | Mahaska, Marion | 6 hr |
| Aug 23, 7:53 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 52 min |
| Aug 23, 8:26 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Wayne | 49 min |
| Aug 23, 8:35 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 40 min |
| Aug 23, 8:48 PM CDT | Tornado Warning | DMX | Decatur | 27 min |
| Aug 23, 8:59 PM CDT | Severe Thunderstorm Warning | DMX | Clarke | 46 min |
| Aug 23, 9:02 PM CDT | Tornado Warning | DMX | Decatur | 28 min |
| Aug 23, 9:21 PM CDT | Flash Flood Warning | DMX | Clarke, Decatur | 6 hr |
| Aug 23, 9:37 PM CDT | Flash Flood Warning | DMX | Davis, Wapello | 6 hr |
| Aug 23, 9:40 PM CDT | Severe Thunderstorm Warning | DMX | Wayne | 50 min |
| Aug 23, 10:29 PM CDT | Flash Flood Warning | DMX | Appanoose, Lucas, Monroe, Wayne | 6 hr |
| Aug 23, 11:51 PM CDT | River Flood Warning | DMX | Appanoose, Wayne | 40 hr |
| Aug 23, 11:51 PM CDT | River Flood Warning | DMX | Lucas | 4 days |
| Aug 23, 11:51 PM CDT | River Flood Warning | DMX | Appanoose | 61 hr |
| Aug 23, 11:51 PM CDT | River Flood Warning | DMX | Decatur | 28 hr |
| Aug 24, 12:25 AM CDT | Flash Flood Warning | DMX | Mahaska | 6 hr |
| Aug 24, 1:42 AM CDT | Flash Flood Warning | DMX | Ringgold, Union | 6 hr |
| Aug 24, 2:38 AM CDT | Flash Flood Warning | DMX | Appanoose, Davis | 6 hr |
| Aug 24, 3:00 AM CDT | River Flood Warning | DMX | Taylor | 5 hr |
| Aug 24, 3:10 AM CDT | Flash Flood Warning | DMX | Clarke, Decatur | 6 hr |
| Aug 24, 3:22 AM CDT | Flash Flood Warning | DMX | Davis, Wapello | 6 hr |
| Aug 24, 4:27 AM CDT | Flash Flood Warning | DMX | Appanoose, Wayne | 6 hr |
| Aug 24, 9:56 AM CDT | River Flood Warning | DMX | Marshall | 11 hr |
| Aug 24, 10:50 AM CDT | River Flood Warning | DMX | Dallas | 3 days |
| Aug 24, 11:18 AM CDT | River Flood Warning | DMX | Marion | 47 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.