Flash Flood Warning 9, NWS St. Louis, MO

Issued

Mar 15, 2012, 10:51 PM CDT (03:51 UTC)

Expired

Mar 16, 2012, 5:00 AM CDT

In force

6 hr

Issued by

NWS St. Louis, MO

Area

Storm-based polygon

Flood severity

None

County Gasconade County, MO

The St Louis radar (KLSX), 87 km from the middle of the area, began a volume at 03:51 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.

728 
WGUS53 KLSX 160351
FFWLSX
MOC073-161000-
/O.NEW.KLSX.FF.W.0009.120316T0351Z-120316T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1051 PM CDT THU MAR 15 2012

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN GASCONADE COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 500 AM CDT FRIDAY

* AT 1049 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE   
  WARNED AREA. RADAR ESTIMATES AROUND 2 INCHES OF RAINFALL HAVE 
  FALLEN IN THE PAST TWO HOURS...ESPECIALLY IN THE BLAND AND BEM 
  AREAS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  OWENSVILLE...BLAND...MOUNT STERLING AND ROSEBUD.

ADDITIONAL VERY HEAVY RAINFALL PRODUCING THUNDERSTORMS ARE EXPECTED 
TO CONTINUE OVER THE WARNED AREA HEADING TOWARDS MIDNIGHT ADDING TO 
ANY FLOODING THREAT. 

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.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

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

&&

LAT...LON 3847 9163 3839 9137 3823 9136 3821 9137
      3821 9153 3815 9154 3815 9158 3816 9164

$$

TES

883 
WGUS73 KLSX 160621
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
121 AM CDT FRI MAR 16 2012

MOC073-161000-
/O.CON.KLSX.FF.W.0009.000000T0000Z-120316T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GASCONADE MO-
121 AM CDT FRI MAR 16 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR GASCONADE COUNTY UNTIL
500 AM CDT...

AT 119 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR 
ESTIMATED THAT AROUND 2 INCHES OF RAIN HAS ALREADY FALLEN WITH 
ADDITIONAL RAINFALL POSSIBLE OVERNIGHT. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
OWENSVILLE...BLAND...MOUNT STERLING AND ROSEBUD.

LAW ENFORCEMENT REPORTS MULTIPLE LOCATIONS ARE FLOODED IN GASCONADE 
COUNTY INCLUDING STATE HIGHWAY A TO REHMERT ROAD NORTH OF BLAND. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN ST LOUIS.

&&

LAT...LON 3847 9163 3839 9137 3823 9136 3821 9137
      3821 9153 3815 9154 3815 9158 3816 9164

$$

KANOFSKY

382 
WGUS73 KLSX 161009
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
509 AM CDT FRI MAR 16 2012

MOC073-161021-
/O.EXP.KLSX.FF.W.0009.000000T0000Z-120316T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GASCONADE MO-
509 AM CDT FRI MAR 16 2012

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR GASCONADE COUNTY
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. MOTORISTS WILL STILL NEED TO DRIVE 
WITH EXTRA CAUTION DUE TO POSSIBLE DEBRIS IN ROADS FROM RECENT 
FLOODING. IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO 
YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 3847 9163 3839 9137 3823 9136 3821 9137
      3821 9153 3815 9154 3815 9158 3816 9164

$$

GKS

Flash Flood Warnings in Missouri, 2012Every flash flood warning in 2012

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.