Alert archive / Missouri / Flash Flood Warnings in 2003
Flash Flood Warning 2, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at May 6, 2003, 7:37 PM CDT for Franklin 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 counties it named.
The facts
- Issued
- May 6, 2003, 7:37 PM CDT (00:37 UTC)
- Expired
- May 6, 2003, 10:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Franklin County, MO
The radar
The St Louis radar (KLSX), 47 km from the middle of the area, began a volume at 00:40 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 00:00Z, 0.6 hours before the alert went out and 288 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
- 208 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 1589 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KLSX 070042 FFWLSX MOC071-070330- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 737 PM CDT TUE MAY 6 2003 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * FLASH FLOOD WARNING FOR... FRANKLIN COUNTY IN EAST CENTRAL MISSOURI * UNTIL 1030 PM CDT * AT 737 PM CDT...FRANKLIN COUNTY EOC REPORTED WATER COVERING NUMEROUS ROADS THROUGHOUT FRANKLIN COUNTY. I-44 MAY BE CLOSED EAST OF ST CLAIR. RADAR ESTIMATES UP TO 3 INCHES OF RAIN HAS FALLEN SINCE 600 PM AND ANOTHER 1 INCH OF RAIN IS POSSIBLE THROUGH 900 PM BEFORE SHOWERS AND THUNDERSTORMS COME TO AN END. * FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE AFFECTING UNION...ST CLAIR...AND MOST LOCATIONS NEAR SMALL CREEKS AND STREAMS THROUGHOUT FRANKLIN COUNTY. 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. $$ FG
2 follow-up statements
000 WGUS73 KLSX 070243 FFSLSX MOC071-070330- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 937 PM CDT TUE MAY 6 2003 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR FRANKLIN COUNTY UNTIL 1030 PM CDT... LAW ENFORCEMENT REPORTED FLOODING CONTINUED ACROSS PORTIONS OF FRANKLIN COUNTY INCLUDING AROUND THE COMMUNITIES OF UNION...ST CLAIR...AND GRUBVILLE. HIGHWAYS AD...FF...AB...MILL HILL ROAD...SCHUCHART ROAD...AND WEST BOUND I-44 AT MILE POST 240 NEAR ST CLAIR WERE ALL CLOSED DUE TO HIGH WATER. LINGERING RAIN SHOULD MOVE TO THE EAST AND END ACROSS FRANKLIN COUNTY BY 1015 PM. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. AVOID BRIDGES...DIPS... OR OTHER LOW LYING AREAS...AND NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. $$
000 WGUS73 KLSX 070342 FFSLSX MOC071-070415- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1039 PM CDT TUE MAY 6 2003 ...FLASH FLOOD WARNING FOR FRANKLIN COUNTY HAS EXPIRED... WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS WHICH PROMPTED THE FLASH FLOOD WARNING HAVE MOVED OUT OF THE AREA. LATEST INFORMATION FROM LOCAL LAW ENFOREMENT INDICATE IMPROVING CONDITIONS AND SOME STANDING WATER. RESIDENTS HOWEVER SHOULD REMAIN ALERT AS A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE AREA. WHILE HEAVY RAINFALL IS NOT EXPECTED FOR THE REMAINDER OF THE NIGHT...ANY ADDITIONAL RAIN WHICH AFFECTS THE AREA WILL FALL ON SATURATED GROUND AND COULD PRODUCE RENEWED FLOODING. $$
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 7:01 PM CDT | Severe Thunderstorm Warning | LSX | Crawford | 44 min |
| May 6, 7:16 PM CDT | Tornado Warning | LSX | Franklin, Jefferson | 59 min |
| May 6, 7:25 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve, Saint Francois | 50 min |
| May 6, 7:38 PM CDT | Tornado Warning | LSX | Sainte Genevieve, Saint Francois | 52 min |
| May 6, 7:55 PM CDT | Flash Flood Warning | LSX | Jefferson | 4 hr |
| May 6, 8:00 PM CDT | Tornado Warning | LSX | Sainte Genevieve | 45 min |
| May 6, 8:07 PM CDT | Tornado Warning | LSX | Iron, Madison, Saint Francois | 38 min |
| May 6, 8:46 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Madison, Reynolds | 59 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; radar from the NEXRAD Level II archive.