Flash Flood Warning 21, NWS Des Moines, IA

Issued

May 26, 2013, 7:55 PM CDT (00:55 UTC)

Expired

May 27, 2013, 2:00 AM CDT

In force

6 hr

Issued by

NWS Des Moines, IA

Area

Storm-based polygon

Flood severity

None

Counties Ringgold County, IA, Taylor County, IA

The Des Moines radar (KDMX), 122 km from the middle of the area, began a volume at 00:58 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.

474 
WGUS53 KDMX 270055
FFWDMX
IAC159-173-270700-
/O.NEW.KDMX.FF.W.0021.130527T0055Z-130527T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
755 PM CDT SUN MAY 26 2013

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN TAYLOR COUNTY IN SOUTHWEST IOWA...
  NORTHERN RINGGOLD COUNTY IN SOUTH CENTRAL IOWA...

* UNTIL 200 AM CDT MONDAY

* AT 753 PM CDT...TRAINED WEATHER SPOTTERS REPORTED SLOW MOVING      
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.     
  WATER WAS BEGINNING TO OVERFLOW GRAVEL ROADS NEAR CLEARFIELD.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO   
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING                
  INCLUDE...LENOX...CLEARFIELD...DIAGONAL AND MOUNT AYR.

RADAR INDICATES THAT OVER 2 INCHES OF RAIN HAS FALLEN SINCE 6 PM. 
STORMS ARE SLOW MOVING AND ADDITIONAL STORMS WILL MERGE INTO THE 
AREA FROM THE NORTHWEST.  THIS COULD CAUSE ANOTHER 2 INCHES OF RAIN 
TO FALL BEFORE 930 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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. TURN AROUND...DONT DROWN.

&&

LAT...LON 4071 9472 4090 9472 4090 9429 4089 9413
      4070 9412 4064 9446

$$

JUNGBLUTH

378 
WGUS73 KDMX 270221
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
921 PM CDT SUN MAY 26 2013

IAC159-173-270235-
/O.CAN.KDMX.FF.W.0021.000000T0000Z-130527T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TAYLOR IA-RINGGOLD IA-
921 PM CDT SUN MAY 26 2013

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHERN RINGGOLD
AND NORTHEASTERN TAYLOR COUNTIES IS CANCELLED...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA AND 
STORMS HAVE MOVED SOUTH OF THE MISSOURI BORDER FOR THE SHORT TERM. 
LOCAL LAW ENFORCEMENT DID NOT REPORT ANY FLOODING IMPACTS FROM THE 
HEAVY RAIN THAT OCCURRED EARLIER. MORE THUNDERSTORMS ARE POSSIBLE 
LATER TONIGHT...SO REMAIN ALERT TO CHANGING WEATHER.

LAT...LON 4071 9472 4090 9472 4090 9429 4089 9413
      4070 9412 4064 9446

$$

JUNGBLUTH

Flash Flood Warnings in Iowa, 2013Every flash flood warning in 2013

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.