Alert archive / Missouri / Flash Flood Warnings in 2004

Flash Flood Warning 74, NWS Springfield, MO

August 24, 2004St. Clair County, Missouri

NWS Springfield, MO issued this flash flood warning at Aug 24, 2004, 12:18 PM CDT for St. Clair County, Missouri. It was in force for 5 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
Aug 24, 2004, 12:18 PM CDT (17:18 UTC)
Expired
Aug 24, 2004, 5:15 PM CDT
In force
5 hr
Issued by
NWS Springfield, MO
Area
Counties, with a storm outline in the text

County St. Clair County, MO

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 5.3 hours before the alert went out and 126 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, Springfield, MO at 12:00Z on 2004-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1625 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2004-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 154 square meters per square second.193958Sfc1 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
1625 J/kg
Mixed-layer CIN
-124 J/kg
Mixed-layer LCL
759 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
154 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KSGF 241720
FFWSGF
MOC185-242215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1218 PM CDT TUE AUG 24 2004

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ST. CLAIR COUNTY IN WEST CENTRAL MISSOURI.

* UNTIL 515 PM CDT.

* AT 1213 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.   
  DOPPLER RADAR ESTIMATED BETWEEN ONE AND TWO INCHES OF RAIN HAS 
  ALREADY OCCURRED ACROSS PORTIONS OF ST. CLAIR COUNTY.

* SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN 
  THE WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL LIKELY
  CAUSE FLASH FLOODING TO OCCUR.  SOME LOCATIONS THAN MAY
  EXPERIENCE FLASH FLOODING INCLUDE...APPLETON CITY...LOWRY CITY...
  OSCEOLA...TIFFIN...AND ROSCOE. 

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE 
WARNED AREA.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

LAT...LON 3821 9405 3821 9405 3820 9392 3821 9354
      3793 9352 3791 9359 3782 9360 3784 9381
      3790 9383 3789 9407

$$

LINDENBERG
2 follow-up statements
000 
WGUS73 KSGF 241829
FFSSGF
MOC015-141-185-242230-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
128 PM CDT TUE AUG 24 2004

...FLASH FLOOD WARNING CONTINUES UNTIL 500 PM CDT FOR BENTON 
COUNTY...AND 515 PM FOR ST. CLAIR...AND MORGAN COUNTIES...

AT 123 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL WAS CONTINUING ACROSS THE 
WARNED AREA. DOPPLER RADAR ESTIMATED BETWEEN ONE AND THREE INCHES OF 
RAIN HAS OCCURRED ACROSS THE AREA...WHICH IS ON TOP OF ALREADY 
SATURATED GROUND FROM YESTERDAYS RAINFALL.

THE SHERIFFS OFFICE IN BENTON COUNTY REPORTED FLOODING ACROSS ZODIAC 
ROAD NEAR HIGHWAY AA.

ADDITIONAL RAINFALL UP TO AN INCH WILL BE POSSIBLE OVER THE WARNED 
AREAS WHICH WILL ADD TO THE POTENTIAL OF RUNOFF FLOODING.

&&

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS
BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO
ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

$$

LINDENBERG
000 
WGUS73 KSGF 242009
FFSSGF
MOC185-242030-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
309 PM CDT TUE AUG 24 2004

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR ST. CLAIR COUNTY
HAS BEEN CANCELLED...

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.

&&

$$

LINDENBERG

The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 24, 11:00 AM CDTFlash Flood WarningSGFBenton6 hr
Aug 24, 11:08 AM CDTFlash Flood WarningSGFMorgan6 hr
Aug 24, 12:43 PM CDTSevere Thunderstorm WarningSGFSt. Clair32 min
Aug 24, 1:03 PM CDTSevere Thunderstorm WarningSGFHickory27 min

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.