Alert archive / Missouri / Flash Flood Warnings in 1993
Flash Flood Warning 53, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jul 30, 1993, 10:41 PM CDT for Saint Louis County, Missouri. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 30, 1993, 10:41 PM CDT (03:41 UTC)
- Expired
- Jul 31, 1993, 1:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Saint Louis County, MO
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 3.7 hours before the alert went out and 232 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1868 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 310346 FFWSTL MOC189-310645- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1041 PM CDT FRI JUL 30 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 145 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...WESTERN ST LOUIS COUNTY AT 1040 PM...MISSOURI HIGHWAY PATROL REPORTED A LEVEE BREAK ALONG THE MISSOURI RIVER ACROSS FROM HOWELL ISLAND...OR 1 MILE SOUTHWEST OF THE DANIEL BOONE BRIDGE. WATER IS RAPIDLY ENTERING GUMBO FLATS IN CHESTERFIELD. THIS IS A DANGEROUS SITUATION. PLEASE COMPLY WITH EMERGENCY OFFICIALS AND AVOID THIS AREA. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING pWATER MOVE UP TO HIGHER GROUND. MORSE
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jul 30, 6:50 PM CDT, 3 hours 51 minutes before
MOZALL-310300- MISSOURI SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 650 PM CDT FRI JUL 30 1993 THUNDERSTORMS WERE DEVELOPING ACROSS EASTERN OKLAHOMA THIS EVENING. THUNDERSTORMS MAY ALSO FORM IN EXTREME SOUTHWEST MISSOURI. THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS IN THE EXTREME SOUTHWEST CORNER OF MISSOURI...GENERALLY SOUTHWEST OF A LINE FROM CARTHAGE TO TABLE ROCK LAKE. STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD KEEP ADVISED OF THE LATEST FORECAST FOR POSSIBLE SKYWARN ACTION THIS AFTERNOON.
Special weather statement, Jul 30, 6:55 PM CDT, 3 hours 46 minutes before
MOZALL-310300- MISSOURI SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 650 PM CDT FRI JUL 30 1993 THUNDERSTORMS WERE DEVELOPING ACROSS EASTERN OKLAHOMA THIS EVENING. THUNDERSTORMS MAY ALSO FORM IN EXTREME SOUTHWEST MISSOURI. THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS IN THE EXTREME SOUTHWEST CORNER OF MISSOURI...GENERALLY SOUTHWEST OF A LINE FROM CARTHAGE TO TABLE ROCK LAKE. STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD KEEP ADVISED OF THE LATEST FORECAST FOR POSSIBLE SKYWARN ACTION THIS AFTERNOON.
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 3:06 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Shelby | 54 min |
| Jul 31, 4:02 PM CDT | Severe Thunderstorm Warning | LSX | Ralls | 43 min |
| Jul 31, 4:08 PM CDT | Severe Thunderstorm Warning | LSX | Audrain | 37 min |
| Jul 31, 4:14 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 46 min |
| Jul 31, 4:31 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln | 44 min |
| Jul 31, 5:02 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Warren | 43 min |
| Jul 31, 5:15 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 45 min |
| Jul 31, 5:15 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 45 min |
| Jul 31, 5:20 PM CDT | Tornado Warning | LSX | Saint Charles, Saint Louis | 40 min |
| Jul 31, 5:32 PM CDT | Tornado Warning | LSX | City of Saint Louis | 28 min |
| Jul 31, 5:37 PM CDT | Flash Flood Warning | LSX | Saint Louis, City of Saint Louis | 2 hr |
| Jul 31, 5:53 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 52 min |
| Jul 31, 6:30 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 45 min |
Nearby
Flash Flood Warnings in Missouri, 1993Every flash flood warning in 1993
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.