Flash Flood Warning 16, NWS St. Louis, MO

Issued

Apr 24, 2011, 5:57 PM CDT (22:57 UTC)

Expired

Apr 25, 2011, 11:30 AM CDT

In force

18 hr

Issued by

NWS St. Louis, MO

Area

Storm-based polygon

Flood severity

None

Counties Monroe County, IL, Randolph County, IL, Crawford County, MO, Iron County, MO, Jefferson County, MO, Madison County, MO, Reynolds County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Washington County, MO

The St Louis radar (KLSX), 119 km from the middle of the area, began a volume at 22:58 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.

059 
WGUS53 KLSX 242257
FFWLSX
ILC133-157-MOC055-093-099-123-179-186-187-221-251630-
/O.NEW.KLSX.FF.W.0016.110424T2257Z-110425T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
557 PM CDT SUN APR 24 2011

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  IRON COUNTY IN SOUTHEAST MISSOURI...
  MADISON COUNTY IN SOUTHEAST MISSOURI...
  RANDOLPH COUNTY IN SOUTHWEST ILLINOIS...
  REYNOLDS COUNTY IN SOUTHEAST MISSOURI...
  SOUTHERN CRAWFORD COUNTY IN EAST CENTRAL MISSOURI...
  SOUTHERN JEFFERSON COUNTY IN EAST CENTRAL MISSOURI...
  SOUTHERN MONROE COUNTY IN SOUTHWEST ILLINOIS...
  ST. FRANCOIS COUNTY IN SOUTHEAST MISSOURI...
  STE. GENEVIEVE COUNTY IN SOUTHEAST MISSOURI...
  WASHINGTON COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 1130 AM CDT MONDAY

* AT 542 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THAT
  RAIN WAS CONTINUING ACROSS THE WARNED AREA. THIS RAIN WAS PART OF 
  A LARGE REGION OF RAIN AND THUNDERSTORMS WHICH STRETCHED FROM 
  EASTERN OKLAHOMA ACROSS SOUTHERN MISSOURI THROUGH SOUTHERN 
  ILLINOIS AND WILL CONTINUE TO TRAVERSE THE REGION TONIGHT.

  NUMEROUS ROADS ACROSS THE REGION REMAIN CLOSED DUE TO 
  FLOODING...INCLUDING...INCLUDING MISSOURI HIGHWAY 106 AND ROUTE B
  IN REYNOLD COUNTY...MISSOURI HIGHWAY 49 AND ROUTE F IN IRON
  COUNTY...ROUTES C...F AND V IN MADISON COUNTY...ROUTE OO IN ST.
  FRANCOIS COUNTY...ROUTE AA IN JEFFERSON COUNTY...AND ROUTE E
  IN WASHINGTON COUNTY.

  RAINFALL AMOUNTS ACROSS THE EASTERN OZARKS SINCE DAYBREAK HAVE 
  GENERALLY BEEN WELL UNDER ONE INCH...HOWEVER THE INTENSITY OF THE 
  RAINFALL IS EXPECTED TO INCREASE AS THE NIGHT PROGRESSES. THOSE IN 
  THE WARNING AREA SHOULD NOT TAKE THIS FLASH FLOOD THREAT LIGHTLY. 
  BECAUSE OF THE SATURATED GROUND...LOCALIZED DOWNPOURS WILL CAUSE 
  EXTREMELY RAPID RISES IN WATER LEVELS.  THOSE LIVING IN FLOOD 
  PRONE AREAS ARE STRONGLY URGED TO MOVE TO HIGHER GROUND. OF
  PARTICULAR CONCERN ARE THE AREAS ALONG AND SOUTH OF A BIXBY 
  MISSOURI...SPARTA ILLINOIS LINE...WHERE RAINFALLS OF 4 TO 7 INCHES 
  HAVE OCCURRED OVER THE LAST FEW DAYS.. 

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...BISMARCK...
  BONNE TERRE...CHESTER...DE SOTO...DESLOGE...FARMINGTON...
  FREDERICKTOWN...IRONTON...LEADWOOD...POTOSI...SPARTA...STE.
  GENEVIEVE...ANNAPOLIS...ARCADIA...BALDWIN...BELLEVIEW...BIXBY...
  BLOOMSDALE...BREMEN...BUCKHORN...CHERRYVILLE...COFFMAN...
  COULTERVILLE...COURTOIS...ELLINGTON...EVANSVILLE...GARWOOD...
  GLOVER...IRON MOUNTAIN AND IRONDALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 3706 9097 3720 9114 3750 9122 3754 9132
      3760 9132 3760 9117 3769 9117 3780 9154
      3782 9152 3803 9115 3819 9058 3821 8960
      3795 8960 3781 8969 3790 8985 3788 8993
      3765 9014 3732 9015 3727 9073 3705 9079

$$

GLASS

368 
WGUS73 KLSX 251232
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
732 AM CDT MON APR 25 2011

ILC133-157-MOC055-093-099-123-179-186-187-221-251630-
/O.CON.KLSX.FF.W.0016.000000T0000Z-110425T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RANDOLPH IL-MONROE IL-REYNOLDS MO-MADISON MO-IRON MO-ST. FRANCOIS MO-
STE. GENEVIEVE MO-WASHINGTON MO-CRAWFORD MO-JEFFERSON MO-
732 AM CDT MON APR 25 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN JEFFERSON...
SOUTHERN CRAWFORD...WASHINGTON...STE. GENEVIEVE...ST. FRANCOIS...
IRON...MADISON...REYNOLDS...SOUTHERN MONROE AND RANDOLPH COUNTIES
UNTIL 1130 AM CDT...

AT 724 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
LARGE AREA OF RAIN AND THUNDERSTORMS APPROACHING THE WARNED AREA. 
HEAVY RAINFALL LATER THIS MORNING AND INTO THE AFTERNOON WILL LEAD 
TO ADDITIONAL FLASH FLOODING OF LOW LYING AREAS.

MANY ROADS REMAIN FLOODED THIS MORNING INCLUDING...

MISSOURI 106 AND ROUTE B IN REYNOLDS COUNTY.
MISSOURI 49 AND ROUTE F IN IRON COUNTY.
ROUTE C...ROUTE F...AND ROUTE V IN MADISON COUNTY.
ROUTE 00 IN ST. FRANCOIS COUNTY.
ROUTE E IN WASHINGTON COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 3706 9097 3720 9114 3750 9122 3754 9132
      3760 9132 3760 9117 3769 9117 3780 9154
      3782 9152 3803 9115 3819 9058 3821 8960
      3795 8960 3781 8969 3790 8985 3788 8993
      3765 9014 3732 9015 3727 9073 3705 9079

$$

CVKING

Flash Flood Warnings in Missouri, 2011Flash Flood Warnings in Illinois, 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.