Flash Flood Warning 4, NWS St. Louis, MO

Issued

Apr 8, 2015, 4:57 PM CDT (21:57 UTC)

Expired

Apr 8, 2015, 9:00 PM CDT

In force

4 hr

Issued by

NWS St. Louis, MO

Area

Storm-based polygon

Flood severity

None

Counties Saint Francois County, MO, Sainte Genevieve County, MO, Washington County, MO

The St Louis radar (KLSX), 79 km from the middle of the area, began a volume at 21:57 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

858 
WGUS53 KLSX 082157
FFWLSX
MOC186-187-221-090200-
/O.NEW.KLSX.FF.W.0004.150408T2157Z-150409T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
457 PM CDT WED APR 8 2015

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL WASHINGTON COUNTY IN EAST CENTRAL MISSOURI...
  ST. FRANCOIS COUNTY IN SOUTHEAST MISSOURI...
  WESTERN STE. GENEVIEVE COUNTY IN SOUTHEAST MISSOURI...

* UNTIL 900 PM CDT

* AT 455 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  SEVERAL COMPLEXES OF SLOW MOVING THUNDERSTORMS HAVE PRODUCED
  UP TO 3 INCHES OF RAIN IN A SHORT PERIOD OF TIME. A SPOTTER IN 
  PARK HILLS REPORTED WATER UP TO 2 FEET DEEP ON SEVERAL ROADS. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...BONNE
  TERRE...DESLOGE...FARMINGTON...LEADWOOD...POTOSI...MINERAL POINT...
  OLD MINES...PARK HILLS...ROCKY RIDGE AND WEINGARTEN.

THIS WARNING INCLUDES HAWN STATE PARK...MISSOURI MINES HISTORIC 
SITE...ST. FRANCOIS STATE PARK...ST. JOE STATE PARK AND WASHINGTON 
STATE PARK.

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.

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.

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.

&&

LAT...LON 3796 9106 3816 9094 3807 9062 3802 9061
      3801 9063 3800 9058 3803 9042 3794 9015
      3772 9026

$$

GLASS

442 
WGUS73 KLSX 090037
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
737 PM CDT WED APR 8 2015

MOC186-187-221-090200-
/O.CON.KLSX.FF.W.0004.000000T0000Z-150409T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STE. GENEVIEVE MO-ST. FRANCOIS MO-WASHINGTON MO-
737 PM CDT WED APR 8 2015

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL WASHINGTON...ST.
FRANCOIS AND WESTERN STE. GENEVIEVE COUNTIES UNTIL 900 PM CDT...

AT 734 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH HEAVY RAINFALL STRETCHING FROM SULLIVAN TO 
SOUTHEAST OF BONNE TERRE. RADAR ESTIMATES AND A FEW RAIN GAGES 
INDICATE RAINFALL AMOUNTS AS HIGH AS 3 INCHES ACROSS PARTS OF THE 
WARNED AREA. LATE THIS AFTERNOON FLOODING WAS REPORTED ON SOME ROADS 
IN POTOSI AND PARK HILLS. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
BONNE TERRE...DESLOGE...FARMINGTON...LEADWOOD...POTOSI...MINERAL
POINT...OLD MINES...PARK HILLS...ROCKY RIDGE AND WEINGARTEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES... 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.

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.

A FLASH FLOOD WARNING MEANS THAT FLASH 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.

&&

LAT...LON 3796 9106 3816 9094 3807 9062 3802 9061
      3801 9063 3800 9058 3803 9042 3794 9015
      3772 9026

$$

GLASS

Flash Flood Warnings in Missouri, 2015Every flash flood warning in 2015

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.