Alert archive / Missouri / Flash Flood Warnings in 2003
Flash Flood Warning 36, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Aug 1, 2003, 3:49 PM CDT for Jefferson County, Sainte Genevieve County, Saint Francois 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 1, 2003, 3:49 PM CDT (20:49 UTC)
- Expired
- Aug 1, 2003, 8:45 PM CDT
- In force
- 5 hr
- Issued by
- NWS St. Louis, MO
- Area
- Counties, with a storm outline in the text
Counties Jefferson County, MO, Saint Francois County, MO, Sainte Genevieve County, MO
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 8.8 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
- 1369 J/kg
- Mixed-layer CIN
- -124 J/kg
- Mixed-layer LCL
- 1402 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 171 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS53 KLSX 012102
FFWLSX
MOC099-186-187-020145-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
349 PM CDT FRI AUG 1 2003
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN JEFFERSON COUNTY IN EAST CENTRAL MISSOURI
NORTHWESTERN ST. FRANCOIS COUNTY IN SOUTHEAST MISSOURI
NORTHERN STE. GENEVIEVE COUNTY IN SOUTHEAST MISSOURI
* UNTIL 845 PM CDT
* AT 349 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED AN EAST TO
WEST LINE OF THUNDERSTORMS FROM 20 MILES SOUTHWEST OF DESOTO EAST TO
15 MILES NORTHWEST OF STE. GENEVIEVE. INDIVIDUAL STORMS HAVE BEEN
MOVING SLOWLY TO THE EAST...BUT NEW STORMS HAVE BEEN DEVELOPING ON
THE WEST SIDE OF THE STORM COMPLEX.
INTENSE RAINFALL AMOUNTS OF UP TO 3 TO 5 INCHES HAVE FALLEN ALONG
AND NEAR THE COUNTY LINE BETWEEN JEFFERSON...STE. GENEVIEVE...AND
ST. FRANCOIS COUNTIES...INCLUDING THE COMMUNITIES OF VALLES
MINES...BLACKWELL..AND FRENCH VILLAGE. SMALL TRIBUTARIES OF THE
BIG RIVER IN THAT AREA ALONG WITH JOACHIM CREEK...SUMMER LAKE...
AND OTHER LOW WATER BRIDGES AND LOW AREAS.
DUE TO THE ROUGH TERRAIN OF THE AREA FLASH FLOODING WILL BE IMMINENT
FOR THAT AREA.
HEAVY RAIN WILL CONTINUE FOR AT LEAST THE NEXT HOUR OR TWO WITH
MAJOR WATER RUNOFF CONTINUING INTO THE EVENING HOURS.
IF FLASH FLOODING IS OBSERVED OR IMMINENT...MOVE QUICKLY TO HIGHER
GROUND. NEVER DRIVE INTO AN AREA WHERE WATER COVERS THE ROAD.
LAT...LON 3812 9071 3821 9081 3820 9033 3797 9002
3788 8995 3783 9048 3795 9065
$$
PEDIGO2 follow-up statements
000 WGUS73 KLSX 020050 FFSLSX MOC099-186-187-020145- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 735 PM CDT FRI AUG 1 2003 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHWESTERN ST. FRANCOIS...NORTHERN STE. GENEVIEVE AND SOUTHERN JEFFERSON COUNTIES UNTIL 845 PM CDT... AT 735 PM CDT...THE STORMS WHICH CREATED UP TO 4 TO 7 INCHES OF RAINFALL NEAR THE SOUTHERN JEFFERSON COUNTY LINE AND JUST SOUTH IN NORTHERN PORTIONS OF ST. FRANCOIS COUNTY AND STE. GENEVIEVE COUNTY HAVE DRIFTED TO THE SOUTH. A FEW LIGHTER SHOWERS HAVE DRIFTED IN AND OUT THROUGH THE AREA. LAW ENFORCEMENT REPORTED FLASH FLOODING FROM DESOTO TO VALLEY MINES IN JEFFERSON COUNTY AND ALONG JOACHIM CREEK. COMMUNITIES OF TIMBERLINE CREEK...FRENCH VILLAGE...AND GOOSE CREEK IN EXTREME NORTHERN ST. FRANCOIS COUNTY ALSO REPORTED COPIOUS RAINFALL IN A SHORT PERIOD OF TIME. HIGHWAYS V AND E IN JEFFERSON COUNTY AND ALSO MILLER STREET ALONG JOACHIM CREEK IN DESOTO ARE CLOSED AND JOACHIM CREEK IS OUT OF ITS BANKS IN SEVERAL AREAS. THERE IS ONE MORE HEAVY STORM WHICH HAS DEVELOPED NEAR ROLLA MISSOURI THIS EVENING THAT COULD MOVE INTO THE AREA LATER ON THIS EVENING. IN ADDITION...RUNOFF FROM THE COPIOUS AMOUNT OF RAIN IN SUCH A SHORT PERIOD OF TIME WILL CONTINUE TO MOVE FROM DITCHES AND STREAMS INTO LARGER STREAMS AND TRIBUTARIES...PARTICULARLY THE BIG RIVER. KEEP ABREAST OF LOCAL WEATHER DEVELOPMENTS THROUGH THE EVENING. THE FLASH FLOOD WARNING WILL BE ALLOWED TO CONTINUE THROUGH 845 PM AND IF THE STORMS TO THE WEST CONTINUE TO BLOOM THIS WARNING COULD POSSIBLY BE EXTENDED IN TIME. WE ARE NOW ENTERING THE DARKNESS OF THE NIGHT. THIS IS WHEN MOST PEOPLE ARE KILLED...THEY CANNOT SEE AS WELL AND WALK OR DRIVE INTO THE MURKY WATERS OF THE NIGHT. DO NOT BECOME A STATISTIC...REMAIN CAUTIOUS AND VIGILENT $$ PEDIGO
000 WGUS73 KLSX 020211 FFSLSX MOC099-186-187-020300- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 854 PM CDT FRI AUG 1 2003 ...FLASH FLOOD WARNING FOR NORTHWESTERN ST. FRANCOIS...NORTHERN STE. GENEVIEVE AND SOUTHERN JEFFERSON COUNTIES HAS EXPIRED... WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS WHICH PROMPTED THE FLASH FLOOD WARNING HAVE MOVED OUT OF THE AREA. WEATHER SERVICE DOPPLER PRECIPITATION ESTIMATES INDICATE THAT RAINFALL TOTALS IN EXTREME SOUTHERN JEFFERSON COUNTY AND ALONG THE NORTHERN BORDER OF ST. FRANCOIS AND STE. GENEVIEVE COUNTIES MAY HAVE REACHED 4 TO 7 INCHES OF RAINFALL...MOST OF WHICH FELL IN TWO HOURS OR LESS. MEDIA REPORTS INDICATE SERIOUS FLOODING OCCURRED AS FAR NORTH AS DESOTO MISSOURI AND FURTHER SOUTH ALONG AND NEAR JOACHIM CREEK. CERTAINLY THE HILLY TERRAIN CAUSED FLASH FLOODING AND AS STREAMS AND TRIBUTARIES CONTINUE TO CARRY OFF THE EVENING RAINFALL THEY WILL REMAIN SWOLLEN OR POSSIBLY FLOODED FOR A BRIEF TIME THROUGH SOME PORTION OF THE NIGHT. THE THREAT FOR HEAVY RAINFALL HAS ENDED FOR THE NIGHT. HOWEVER IF YOU ARE OUTSIDE OR MOBILE YOU SHOULD TAKE PRECAUTIONS NOT TO BE WHERE WATER REMAINS. IN ADDITION TO SAFE TRAVEL THOSE WITH FLOODED BASEMENTS OR AREAS IN OR NEAR RESIDENCES SHOULD UNDERSTAND THAT FLOODED AREAS AND ELECTRICITY DO NOT MIX...STAY AWAY AND CALL A FIRE DEPARTMENT OR LAW ENFORCEMENT AND ALLOW THEM TO USE THEIR EXPERTISE TO DECIDE WHAT TO DO. FINALLY...SOMETIMES WARNINGS SOUND THE SAME OR SEEM REPETITIOUS. THANKS FROM THE NATIONAL WEATHER SERVICE FOR LISTENING AND TAKING PRECAUTIONS. IT MAKES OUR JOB EASIER AND GIVES US ALL A HAPPY ENDING. $$ PEDIGO
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 2:56 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois | 49 min |
| Aug 1, 4:56 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Francois | 49 min |
| Aug 1, 5:06 PM CDT | Tornado Warning | LSX | Madison, Saint Francois | 39 min |
| Aug 1, 5:23 PM CDT | Severe Thunderstorm Warning | LSX | Iron | 22 min |
| Aug 1, 5:44 PM CDT | Severe Thunderstorm Warning | LSX | Iron | 46 min |
| Aug 1, 5:45 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 45 min |
| Aug 1, 6:28 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 62 min |
| Aug 1, 6:33 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 42 min |
Nearby
Flash Flood Warnings in Missouri, 2003Every flash flood warning in 2003
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.