Flash Flood Warning 11, NWS Des Moines, IA

Issued

Jun 12, 2001, 2:29 PM CDT (19:29 UTC)

Expired

Jun 12, 2001, 5:30 PM CDT

In force

3 hr

Issued by

NWS Des Moines, IA

Area

Whole counties; the outline is the Mesonet’s reconstruction

Counties Jasper County, IA, Polk County, IA

The Des Moines radar (KDMX), 27 km from the middle of the area, began a volume at 19:32 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.

000 
WGUS53 KDMX 121929
FFWDSM
IAC099-153-122225-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
229 PM CDT TUE JUN 12 2001

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL AND NORTHERN JASPER COUNTY IN CENTRAL IOWA
  CENTRAL AND NORTHERN POLK COUNTY IN CENTRAL IOWA

* UNTIL 530 PM CDT

* AT 222 PM...WEATHER SPOTTERS REPORTED THUNDERSTORMS WITH FLASH     
  FLOOD PRODUCING RAINS FROM POLK CITY EASTWARD...OR ABOUT 14 MILES
  NORTH OF DES MOINES...MOVING EAST AT 20 MPH.

  WARNING LOCATIONS INCLUDE ALLEMAN...ELKHART...AND BAXTER.  

* THUNDERSTORMS ARE CONTINUOUSLY REDEVELOPING OVER THE WARNING
  AREA...RESULTING IN EXCESSIVE RAINFALL. RAINFALL RATES WILL AVERAGE
  OVER 2 INCHES PER HOUR.  THE CITY OF DES MOINES IS NOT DIRECTLY    
  AFFECTED...BUT FLASH FLOODING MAY OCCUR ALONG FOUR MILE CREEK.
  OVER 4 INCHES OF RAIN HAS FALLEN IN THE PAST HOUR NEAR ALLEMAN.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA...LIVING NEAR THE AFFECTED
WATERWAYS...YOU SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND
PROPERTY.
I
LAT...LON 4186 9382 4161 9382 4164 9279 4185 9278

SMALL

Flash Flood Warnings in Iowa, 2001Every flash flood warning in 2001

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.