Alert archive / Missouri / Flash Flood Warnings in 2000
Flash Flood Warning 4, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at May 7, 2000, 6:32 AM CDT for Franklin County, Saint Charles County, Saint Louis County, Missouri. It was in force for 2 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 7, 2000, 6:32 AM CDT (11:32 UTC)
- Expired
- May 7, 2000, 9:00 AM CDT
- In force
- 2 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Franklin County, MO, Saint Charles County, MO, Saint Louis County, MO
The radar
The St Louis radar (KLSX), 11 km from the middle of the area, began a volume at 11:35 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, 11.5 hours before the alert went out and 251 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
- 178 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 1032 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 47 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 071131 FFWLSX MOC071-183-189-071400- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 632 AM CDT SUN MAY 7 2000 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * FLASH FLOOD WARNING FOR... FRANKLIN COUNTY IN EAST CENTRAL MISSOURI SOUTHERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI * UNTIL 900 AM CDT * AT 600 AM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A COMPLEX OF THUNDERSTORMS WHICH HAS BEEN EDGING EASTWARD EVER SO SLOWLY THROUGH THE NIGHT. THE CENTER OF THE STORMS WAS IN A SHORT LINE FROM 35 MILES WEST OF ST LOUIS TO 40 MILES SOUTH OF ST LOUIS. THESE STORMS WILL EDGE SLOWLY TO THE SOUTHEAST TOWARD THE ST LOUIS AREA. * CATASTROPHIC FLOODING WILL CONTINUE THROUGH MUCH OF FRANKLIN COUNTY. AREAS NEAR AUGUSTA IN ST CHARLES COUNTY...AND WEST ST LOUIS COUNTY, INCLUDING CHESTERFIELD...WILDWOOD...TO PACIFIC...CAN EXPECT 3 TO 8 INCHES OF RAINFALL TOTALS THIS MORNING. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW-WATER CROSSINGS IF WATER COVERS THE ROAD. DO NOT DRIVE AROUND BARRICADES. IF YOUR VEHICLE STALLS ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. RAPIDLY RISING WATER MAY SWEEP THE VEHICLE AND ITS OCCUPANTS AWAY. PEDIGO/BRITT
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 12:53 AM CDT | Flash Flood Warning | LSX | Franklin, Gasconade | 5 hr |
| May 7, 2:05 AM CDT | Severe Thunderstorm Warning | LSX | Franklin | 55 min |
| May 7, 2:23 AM CDT | Flash Flood Warning | LSX | Saint Charles, Saint Louis | 5 hr |
| May 7, 4:22 AM CDT | Severe Thunderstorm Warning | LSX | Franklin, Washington | 38 min |
| May 7, 4:49 AM CDT | Flash Flood Warning | LSX | Jefferson | 4 hr |
Nearby
Flash Flood Warnings in Missouri, 2000Every flash flood warning in 2000
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.