Alert archive / Missouri / Flash Flood Warnings in 1994
Flash Flood Warning 14, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Apr 12, 1994, 1:59 AM CDT for Calhoun County, Pike County, Illinois; Lincoln County, Pike County, Ralls County, Missouri. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Apr 12, 1994, 1:59 AM CDT (06:59 UTC)
- Expired
- Apr 12, 1994, 8:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Calhoun County, IL, Pike County, IL, Lincoln County, MO, Pike County, MO, Ralls County, MO
The radar
The St Louis radar (KLSX), 78 km from the middle of the area, began a volume at 06:59 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, 7.0 hours before the alert went out and 325 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
- 427 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 1170 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 120703 FFWSTL ILC013-061-149-171-MOC113-163-173-121300- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 159 AM CDT TUE APR 12 1994 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 800 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ILLINOIS AND WEST CENTRAL ILLINOIS ...CALHOUN COUNTY...GREENE COUNTY...PIKE COUNTY...SCOTT COUNTY IN EAST CENTRAL MISSOURI AND NORTHEAST MISSOURI ...LINCOLN COUNTY...PIKE COUNTY...RALLS COUNTY SERIOUS FLOODING CONTINUES OVER SECTIONS OF EAST CENTRAL MISSOURI AND SOUTHWEST ILLINOIS THIS MORNING. HEAVY RAINS THAT OCCURRED MONDAY EVENING PRODUCED A NARROW BAND OF EXTREMELY HEAVY RAINS FROM LINCOLN...PIKE...AND RALLS COUNTIES IN MISSOURI...INTO PIKE...SCOTT...CALHOUN...AND GREENE COUNTIES IN ILLINOIS. ALTHOUGH THE HEAVY RAIN HAS SUBSIDED OVER THESE AREAS...THE FLASH FLOODING THREAT WILL CONTINUE THROUGHOUT THE REMAINDER OF THE EARLY MORNING HOURS. THE LINCOLN COUNTY MISSOURI SHERIFFS DEPARTMENT REPORTED THAT NUMEROUS ROADS IN THE COUNTY WERE CLOSED. THE TOWN OF SILEX HAS BEEN EVACUATED...AND THE MAIN ROAD THROUGH TOWN WAS COVERED BY 2 FEET OF WATER. MOST DEATHS IN FLASH FLOODING 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. TRUETT/GKS &
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 8:06 PM CDT | Flash Flood Warning | LSX | Pike | 6 hr |
| Apr 11, 8:06 PM CDT | Flash Flood Warning | LSX | Calhoun | 6 hr |
| Apr 11, 9:26 PM CDT | Flash Flood Warning | LSX | Scott | 5 hr |
| Apr 12, 1:59 AM CDT | Flash Flood Warning | LSX | Greene, Scott | 6 hr |
| Apr 12, 2:56 AM CDT | Flash Flood Warning | LSX | Monroe | 5 hr |
| Apr 12, 2:56 AM CDT | Flash Flood Warning | LSX | Saint Clair | 5 hr |
Nearby
Flash Flood Warnings in Missouri, 1994Flash Flood Warnings in Illinois, 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.