Flash Flood Warning 41, NWS St. Louis, MO

Issued

Jun 10, 2011, 10:44 PM CDT (03:44 UTC)

Expired

Jun 11, 2011, 1:12 AM CDT

In force

2 hr

Issued by

NWS St. Louis, MO

Area

Storm-based polygon

Flood severity

None

Counties City of Saint Louis, MO, Saint Louis County, MO

The St Louis radar (KLSX), 26 km from the middle of the area, began a volume at 03:46 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.

903 
WGUS53 KLSX 110344
FFWLSX
MOC189-510-110930-
/O.NEW.KLSX.FF.W.0041.110611T0344Z-110611T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1044 PM CDT FRI JUN 10 2011

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI...
  ST. LOUIS CITY IN EAST CENTRAL MISSOURI...

* UNTIL 430 AM CDT

* AT 1043 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE   
  WARNED AREA. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  AFFTON...BALLWIN...BEL-RIDGE...BELLEFONTAINE NEIGHBORS...
  BERKELEY...BLACK JACK...BRENTWOOD...BRIDGETON...CHESTERFIELD...
  CLARKSON VALLEY...CLAYTON...COOL VALLEY...CRESTWOOD...CREVE
  COEUR...DELLWOOD...DES PERES...ELLISVILLE...EUREKA...FENTON...
  FERGUSON...FLORISSANT...FRONTENAC...GLENDALE...HAZELWOOD...
  HILLSDALE...JENNINGS...KINLOCH...KIRKWOOD...LADUE AND LAKESHIRE.

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.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST
LOUIS.

&&

LAT...LON 3873 9021 3861 9018 3855 9025 3856 9028
      3845 9028 3839 9034 3846 9034 3845 9041
      3850 9041 3849 9065 3845 9068 3848 9073
      3864 9073 3869 9065 3868 9055 3881 9046
      3883 9036 3889 9033 3882 9019 3882 9012

$$

TES

731 
WGUS73 KLSX 110612
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
112 AM CDT SAT JUN 11 2011

MOC189-510-110628-
/O.CAN.KLSX.FF.W.0041.000000T0000Z-110611T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. LOUIS MO-ST. LOUIS CITY MO-
112 AM CDT SAT JUN 11 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR ST. LOUIS CITY AND
ST. LOUIS COUNTIES IS CANCELLED...

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 3873 9021 3861 9018 3855 9025 3856 9028
      3845 9028 3839 9034 3846 9034 3845 9041
      3850 9041 3849 9065 3845 9068 3848 9073
      3864 9073 3869 9065 3868 9055 3881 9046
      3883 9036 3889 9033 3882 9019 3882 9012

$$

CVKING

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.