Alert archive / Missouri / Flash Flood Warnings in 1994
Flash Flood Warning 2, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Apr 11, 1994, 6:08 AM CDT for Jefferson County, Sainte Genevieve County, Saint Francois County, Missouri. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Apr 11, 1994, 6:08 AM CDT (11:08 UTC)
- Expired
- Apr 11, 1994, 12:15 PM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Jefferson County, MO, Saint Francois County, MO, Sainte Genevieve County, MO
The radar
The St Louis radar (KLSX), 83 km from the middle of the area, began a volume at 11:10 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
Paducah/Barkley, KY (KPAH), launched 00:00Z, 11.1 hours before the alert went out and 181 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
- 585 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 139 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 111111 FFWSTL MOC055-099-161-187-186-221-111715- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 608 AM CDT MON APR 11 1994 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1215 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MISSOURI ...CRAWFORD COUNTY...JEFFERSON COUNTY...PHELPS COUNTY ...ST FRANCOIS COUNTY...STE GENEVIEVE COUNTY...WASHINGTON COUNTY AT 6 AM...FLOODING CONTINUED OVER PORTIONS OF SOUTHEAST MISSOURI BETWEEN ROLLA AND STE GENEVIEVE. NUMEROUS ROADS ARE CLOSED IN THESE AREAS...AND MANY CREEKS AND STREAMS WERE OUT OF THEIR BANKS. RAINFALL ESTIMATES FROM RADAR SUGGEST THAT 1 TO 2 INCHES OF RAIN FELL OVER THESE AREAS DURING THE NIGHT...AND THIS IS IN ADDITION TO THE HEAVY RAINS THAT OCCURRED SATURDAY NIGHT AND EARLY SUNDAY. NATIONAL WEATHER SERVICE RADAR INDICATES THAT SCATTERED THUNDERSTORMS WI HEAVY RAINS WILL CONTINUE OVER SOUTHEAST MISSOURI FOR THE NEXT FEW HOURS. THESE RAINS WILL BE CAUSING ADDITIONAL FLOODING PROBLEMS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTREMPT 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 WATER MOVE UP TO HIGHER GROUND. & TRUETT/GLASS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 1:18 AM CDT | Flash Flood Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois, Washington | 5 hr |
| Apr 11, 6:08 AM CDT | Flash Flood Warning | LSX | Crawford, Washington | 6 hr |
| Apr 11, 6:08 AM CDT | Flash Flood Warning | LSX | Phelps | 6 hr |
| Apr 11, 7:13 AM CDT | Flash Flood Warning | LSX | Pike, Ralls | 6 hr |
| Apr 11, 7:13 AM CDT | Flash Flood Warning | LSX | Monroe | 6 hr |
| Apr 11, 7:29 AM CDT | Flash Flood Warning | LSX | Franklin | 5 hr |
| Apr 11, 6:00 PM CDT | Flash Flood Warning | LSX | Saint Charles | 4 hr |
Nearby
Flash Flood Warnings in Missouri, 1994Every flash flood warning in 1994
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.