Flash Flood Warning 64, NWS St. Louis, MO

Issued

Jun 26, 2011, 4:12 PM CDT (21:12 UTC)

Expired

Jun 26, 2011, 10:00 PM CDT

In force

6 hr

Issued by

NWS St. Louis, MO

Area

Storm-based polygon

Flood severity

None

Counties Jefferson County, MO, Saint Francois County, MO

The St Louis radar (KLSX), 78 km from the middle of the area, began a volume at 21:12 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.

812 
WGUS53 KLSX 262112
FFWLSX
MOC099-187-270300-
/O.NEW.KLSX.FF.W.0064.110626T2112Z-110627T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
412 PM CDT SUN JUN 26 2011

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN JEFFERSON COUNTY IN EAST CENTRAL MISSOURI...
  ST. FRANCOIS COUNTY IN SOUTHEAST MISSOURI...

* UNTIL 1000 PM CDT

* AT 410 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE 
  WARNED AREA. DOPPLER RADAR ESTIMATED THAT OVER 2 INCHES OF RAIN
  HAS FALLEN INTO THE BIG RIVER BASIN IN NORTHERN ST. FRANCOIS
  COUNTY.  THIS HEAVY RAINFALL WILL RUN OFF INTO SOUTHERN JEFFERSON 
  COUNTY.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...BONNE
  TERRE...DE SOTO...DESLOGE...OLYMPIAN VILLAGE AND PARK HILLS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT 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.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN VEHICLES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...DIPS...
OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM... EVEN A
SMALL ONE...ON FOOT OR IN A VEHICLE.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF 
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

&&

LAT...LON 3790 9064 3808 9064 3809 9068 3811 9068
      3816 9074 3814 9027 3809 9029 3810 9033
      3804 9042 3798 9033 3788 9046 3787 9045
      3782 9048

$$

CARNEY

034 
WGUS73 KLSX 270305
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1005 PM CDT SUN JUN 26 2011

MOC099-187-270321-
/O.EXP.KLSX.FF.W.0064.000000T0000Z-110627T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JEFFERSON MO-ST. FRANCOIS MO-
1005 PM CDT SUN JUN 26 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR ST. FRANCOIS AND
SOUTHERN JEFFERSON COUNTIES 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 OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 3790 9064 3808 9064 3809 9068 3811 9068
      3816 9074 3814 9027 3809 9029 3810 9033
      3804 9042 3798 9033 3788 9046 3787 9045
      3782 9048

$$

CARNEY

Flash Flood Warnings in Missouri, 2011Every flash flood warning in 2011

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.