Alert archive / Missouri / Flash Flood Warnings in 2004

Flash Flood Warning 36, NWS St. Louis, MO

December 7, 2004Warren County, Missouri

NWS St. Louis, MO issued this flash flood warning at Dec 7, 2004, 12:38 AM CST for Warren County, Missouri. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Dec 7, 2004, 12:38 AM CST (06:38 UTC)
Expired
Dec 7, 2004, 3:30 AM CST
In force
3 hr
Issued by
NWS St. Louis, MO
Area
Counties, with a storm outline in the text

County Warren County, MO

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 6.6 hours before the alert went out and 265 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2004-12-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2004-12-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 160 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
654 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
160 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS53 KLSX 070640
FFWLSX
MOC219-070930-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1238 AM CST TUE DEC 7 2004

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WARREN COUNTY IN EAST CENTRAL MISSOURI

* UNTIL 330 AM CST

* AT 1235 AM CST...LAW ENFORCEMENT REPORTED THAT A NUMBER OF SMALL 
  CREEKS WERE FLOODED ALONG WITH SEVERAL LOW WATER CROSSINGS. A CAR 
  WAS STUCK IN A FLOODED LOW WATER CROSSING IN LOST CREEK IN THE 
  PENDLETON AREA. MODERATE RAINFALL WILL CONTINUE THROUGH AROUND 130 
  AM THEN SHOULD TAPER TO OCCASIONAL LIGHT RAIN.   

* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA ALONG SMALL CREEKS 
  AND STEAMS AND THEIR LOW WATER CROSSINGS.

MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR LOW WATER CROSSINGS IF WATER COVERS THE
ROADWAY. DO NOT DRIVE AROUND BARRICADES IF YOUR VEHICLE STALLS...
ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND.

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

LAT...LON 3888 9097 3859 9096 3869 9144 3892 9133

$$
FG
2 follow-up statements
000 
WGUS73 KLSX 070835
FFSLSX
MOC219-070930-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CST TUE DEC 7 2004

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR WARREN COUNTY UNTIL
330 AM CST...

AT 228 AM CST...LAW ENFORCEMENT REPORTED THAT FLOODING WAS STILL 
OCCURRING ON SOME OF THE SMALL CREEKS AND STREAMS ACROSS THE COUNTY. 
THE MODERATE TO HEAVY RAIN WHICH PROMPTED THE RAPID RUNOFF AND 
FLOODING HAS ENDED...ALTHOUGH ADDITIONAL LIGHT RAIN WILL MOVE BACK 
INTO THE AREA DURING THE EARLY MORNING HOURS.

WITH THE MODERATE AND HEAVY RAIN NO LONGER OCCURRING...WATER SHOULD 
BEGIN TO RECEDE AND CREEKS AND STREAMS SHOULD COME BACK WITHIN 
BANKFULL. RESIDENTS SHOULD BE CAUTIOUS HOWEVER AS THIS MAY TAKE 
SEVERAL HOURS.  DO NOT ATTEMPT TO DRIVE THROUGH LOW WATER CROSSINGS.

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

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. AVOID BRIDGES...DIPS...
OR OTHER LOW LYING AREAS...AND NEVER 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. VEHICLES CAUGHT IN RISING WATER
SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.

$$
FG
000 
WGUS73 KLSX 070934
FFSLSX
MOC219-071130-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
330 AM CST TUE DEC 7 2004

...FLASH FLOOD WARNING FOR WARREN COUNTY HAS EXPIRED...

THE MODERATE TO HEAVY RAIN WHICH RESULTED IN FLOODING ENDED SEVERAL 
HOURS AGO AND HAS MOVED EASTWARD OUT OF THE AREA.  LAW ENFORCEMENT 
OFFICIALS INDICATE NO ADDITIONAL FLOODING. 

ALTHOUGH THE HEAVY RAINS HAVE SUBSIDED...MOTORISTS SHOULD CONTINUE TO
USE CAUTION WHILE DRIVING THROUGH AREAS THAT HAVE EXPERIENCED 
FLOODING...ESPECIALLY LOW WATER CROSSINGS. LIGHT RAIN CAN BE 
EXPECTED ACROSS WARREN COUNTY DURING THE MORNING HOURS...HOWEVER THE 
INTENSITY OF THIS SHOULD NOT PROMPT ANY ADDITIONAL FLOODING.

IN ADDITION...CHILDREN SHOULD NOT BE ALLOWED TO PLAY NEAR
RAIN-SWOLLEN STREAMS OR DRAINAGE DITCHES.

$$
FG

Nearby

Flash Flood Warnings in Missouri, 2004Every flash flood warning in 2004

Sources

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.