Flash Flood Warning 46, NWS St. Louis, MO

Issued

Aug 7, 2013, 3:26 AM CDT (08:26 UTC)

Expired

Aug 7, 2013, 11:30 AM CDT

In force

8 hr

Issued by

NWS St. Louis, MO

Area

Storm-based polygon

Flood severity

None

County Madison County, MO

The St Louis radar (KLSX), 142 km from the middle of the area, began a volume at 08:28 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.

283 
WGUS53 KLSX 070826
FFWLSX
MOC123-071630-
/O.NEW.KLSX.FF.W.0046.130807T0826Z-130807T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
326 AM CDT WED AUG 7 2013

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

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

* UNTIL 1130 AM CDT

* AT 324 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE 
  WARNED AREA. RADAR ESTIMATES THAT OVER 2 INCHES OF RAIN HAS FALLEN
  ACROSS SOUTHERN SECTIONS OF MADISON COUNTY SINCE 200 AM. WAVES
  OF SHOWERS AND THUNDERSTORMS WITH HEAVY RAINFALL ARE EXPECTED 
  THROUGH THE EARLY MORNING HOURS WITH ADDITIONAL RAINFALL AMOUNTS 
  OF 2 TO 4 INCHES POSSIBLE.

* 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.

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.

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 3731 9021 3731 9055 3760 9055 3760 9053
      3764 9053 3764 9014 3755 9013 3731 9014
      3730 9017

$$

GLASS

391 
WGUS73 KLSX 071043
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
543 AM CDT WED AUG 7 2013

MOC123-071630-
/O.CON.KLSX.FF.W.0046.000000T0000Z-130807T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MADISON MO-
543 AM CDT WED AUG 7 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR MADISON COUNTY UNTIL
1130 AM CDT...

AT 537 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL CONTINUED ACROSS THE WARNED 
AREA. RADAR ESTIMATES THAT 3 TO 5 INCHES OF RAIN HAS FALLEN ACROSS 
THE SOUTHERN HALF OF MADISON COUNTY WITH THE HIGHEST AMMOUNTS IN THE 
SACO AND BUCKHORN AREAS. SHOWERS AND THUNDERSTORMS WILL CONTINUE 
THROUGH AT LEAST 800 AM WITH ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 
INCHES POSSIBLE. 

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.

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.

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 3731 9021 3731 9055 3760 9055 3760 9053
      3764 9053 3764 9014 3755 9013 3731 9014
      3730 9017

$$

GLASS

365 
WGUS73 KLSX 071451
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
951 AM CDT WED AUG 7 2013

MOC123-071506-
/O.CAN.KLSX.FF.W.0046.000000T0000Z-130807T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MADISON MO-
951 AM CDT WED AUG 7 2013

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR MADISON COUNTY IS
CANCELLED...

EXCESS RUNOFF FROM HEAVY RAIN AND THE THREAT OF FLASH FLOODING HAS 
ENDED OVER THE WARNED AREA. 

LAT...LON 3731 9021 3731 9055 3760 9055 3760 9053
      3764 9053 3764 9014 3755 9013 3731 9014
      3730 9017

$$

CVKING

Flash Flood Warnings in Missouri, 2013Every flash flood warning in 2013

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.