Alert archive / Missouri / Flash Flood Warnings in 2004
Flash Flood Warning 26, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Aug 25, 2004, 3:56 PM CDT for Audrain County, Missouri. It was in force for 4 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 25, 2004, 3:56 PM CDT (20:56 UTC)
- Expired
- Aug 25, 2004, 8:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Counties, with a storm outline in the text
County Audrain County, MO
The radar
The St Louis radar (KLSX), 106 km from the middle of the area, began a volume at 20:59 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.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 8.9 hours before the alert went out and 285 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.
- Mixed-layer CAPE
- 1166 J/kg
- Mixed-layer CIN
- -143 J/kg
- Mixed-layer LCL
- 777 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 179 m²/s²
- 0-3 km storm-relative helicity
- 201 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS53 KLSX 252100
FFWLSX
MOC007-260100-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
356 PM CDT WED AUG 25 2004
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
AUDRAIN COUNTY IN CENTRAL MISSOURI
* UNTIL 800 PM CDT
* AT 356 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS PRODUCING VERY HEAVY RAIN IN AN AREA ABOUT 30 MILES
WIDE FROM ABOUT 10 MILES SOUTHWEST OF MEXICO NORTHEAST TO LADONIA.
RADAR INDICATES AS MUCH AS TWO AND ONE-HALF TO THREE INCHES OF RAIN
HAS FALLEN IN THE LAST 3 HOURS.
* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE
AFFECTING LITTLEBY CREEK...BYNUM CREEK...AND BEAVERDAM CREEK BASINS.
IF FLASH FLOODING IS OBSERVED OR IMMINENT...MOVE QUICKLY TO HIGHER
GROUND. NEVER DRIVE INTO AN AREA WHERE WATER COVERS THE ROAD.
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.
LAT...LON 3935 9147 3917 9143 3917 9165 3908 9165
3908 9211 3935 9215
$$
WDB2 follow-up statements
000 WGUS73 KLSX 252321 FFSLSX MOC007-260015- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 618 PM CDT WED AUG 25 2004 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR AUDRAIN COUNTY UNTIL 715 PM CDT... AT 618 PM CDT WEATHER RADAR INDICATED MODERATE TO STRONG THUNDERSTORMS EXTENDING FROM NORTHWEST AUDRAIN COUNTY TO MEXICO MISSOURI. THESE STORMS ARE MOVING NORTHEAST AROUND 20 MPH. AT 530 PM CDT...LAW ENFORCEMENT REPORTED FLASH FLOODING ON US HIGHWAY 54 AND STATE HIGHWAY 19 AT SEVERAL LOCATIONS BUT ROADS ARE PASSABLE. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. AVOID BRIDGES...DIPS... OR OTHER LOW LYING AREAS...AND NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. $$ WDB
000 WGUS73 KLSX 260055 FFSLSX MOC007-260130- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 754 PM CDT WED AUG 25 2004 ...FLASH FLOOD WARNING FOR AUDRAIN COUNTY HAS BEEN CANCELLED... WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS WHICH PROMPTED THE FLASH FLOOD WARNING HAVE MOVED OUT OF THE AREA. ALTHOUGH THE HEAVY RAINS HAVE SUBSIDED...MOTORISTS SHOULD CONTINUE TO USE CAUTION WHILE DRIVING THROUGH AREAS THAT HAVE EXPERIENCED FLOODING. ROADS AND BRIDGES MAY HAVE BEEN DAMAGED BY RAPIDLY FLOWING FLOOD WATERS. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE AREA. ANY ADDITIONAL RAIN WHICH AFFECTS THE AREA WILL FALL ON SATURATED GROUND AND WOULD LIKELY PRODUCE ADDITIONAL FLOODING. $$ WDB
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 1:52 PM CDT | Flash Flood Warning | LSX | Marion, Pike, Ralls | 4 hr |
| Aug 25, 2:26 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Callaway, Montgomery | 49 min |
| Aug 25, 3:14 PM CDT | Flash Flood Warning | LSX | Marion | 4 hr |
| Aug 25, 3:22 PM CDT | Severe Thunderstorm Warning | LSX | Audrain | 38 min |
| Aug 25, 3:44 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Cole | 46 min |
| Aug 25, 4:26 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 34 min |
| Aug 25, 4:32 PM CDT | Severe Thunderstorm Warning | LSX | Callaway | 43 min |
| Aug 25, 5:23 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Saint Charles, Warren | 22 min |
| Aug 25, 5:30 PM CDT | Severe Thunderstorm Warning | LSX | Shelby | 30 min |
| Aug 25, 5:51 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis, City of Saint Louis | 39 min |
| Aug 25, 6:53 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 37 min |
| Aug 25, 6:58 PM CDT | Severe Thunderstorm Warning | LSX | Crawford | 47 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; radar from the NEXRAD Level II archive.