Flash Flood Warning 5, NWS St. Louis, MO

Issued

Mar 15, 2012, 8:36 PM CDT (01:36 UTC)

Expired

Mar 16, 2012, 2:30 AM CDT

In force

6 hr

Issued by

NWS St. Louis, MO

Area

Storm-based polygon

Flood severity

None

County Madison County, MO

The St Louis radar (KLSX), 140 km from the middle of the area, began a volume at 01:37 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.

484 
WGUS53 KLSX 160136
FFWLSX
MOC123-160730-
/O.NEW.KLSX.FF.W.0005.120316T0136Z-120316T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MADISON COUNTY IN SOUTHEAST MISSOURI...

* UNTIL 230 AM CDT

* AT 833 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 WITHIN THE PAST 90 MINUTES...ESPECIALLY IN AREAS EAST OF 
  FREDERICKTOWN.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  FREDERICKTOWN...BUCKHORN...JUNCTION CITY...MARQUAND...ROSELLE AND
  SACO.

ADDITIONAL VERY HEAVY RAINFALL PRODUCING THUNDERSTORMS ARE EXPECTED 
TO EXPAND OVER ADDITIONAL AREAS OF MADISON COUNTY OVER THE NEXT HOUR 
OR TWO LIKELY LEADING TO MORE FLOODING.

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 3732 9055 3759 9055 3760 9053 3764 9053
      3764 9015 3759 9015 3755 9013 3731 9014
      3731 9015 3731 9020

$$

TES

629 
WGUS73 KLSX 160614
FFSLSX

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

MOC123-160730-
/O.CON.KLSX.FF.W.0005.000000T0000Z-120316T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MADISON MO-
114 AM CDT FRI MAR 16 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR MADISON COUNTY UNTIL 230
AM CDT...

AT 104 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR 
ESTIMATED THAT AROUND 2 INCHES OF RAIN HAVE ALREADY FALLEN AND 
ANOTHER INCH OF RAIN IS POSSIBLE OVERNIGHT.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FREDERICKTOWN...BUCKHORN...JUNCTION CITY...MARQUAND...ROSELLE AND
SACO.

LAW ENFORCEMENT REPORTED THAT SOME STREETS WERE CLOSED DUE TO 
FLOODING AT LOW WATER CROSSINGS.

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 3732 9055 3759 9055 3760 9053 3764 9053
      3764 9015 3759 9015 3755 9013 3731 9014
      3731 9015 3731 9020

$$

KANOFSKY

634 
WGUS73 KLSX 160720
FFSLSX

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

MOC123-160735-
/O.EXP.KLSX.FF.W.0005.000000T0000Z-120316T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MADISON MO-
220 AM CDT FRI MAR 16 2012

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR MADISON COUNTY WILL
BE ALLOWED TO EXPIRE AT 230 AM CDT...

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 3732 9055 3759 9055 3760 9053 3764 9053
      3764 9015 3759 9015 3755 9013 3731 9014
      3731 9015 3731 9020

$$

KANOFSKY

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.