Alert archive / Missouri / Flash Flood Warnings in 1993
Flash Flood Warning 61, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Aug 12, 1993, 6:48 AM CDT for Jefferson County, Saint Louis County, Missouri. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Aug 12, 1993, 6:48 AM CDT (11:48 UTC)
- Expired
- Aug 12, 1993, 9:00 AM CDT
- In force
- 2 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Jefferson County, MO, Saint Louis County, MO
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 11.8 hours before the alert went out and 220 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
- NaN m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 42 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 121150 FFWSTL MOC099-189-121400- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 648 AM CDT THU AUG 12 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 900 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MISSOURI ...NORTHERN JEFFERSON COUNTY...ST LOUIS COUNTY THE HEAVY RAINS OF EARLY THIS MORNING HAS CAUSED NUMEROUS FLOODING PROBLEMS IN ST LOUIS COUNTY. THE ST LOUIS COUNTY POLICE HAS JUST REPORTED THAT MANY ROADS IN WEST AND SOUTH COUNTY ARE CLOSED DUE TO HIGH WATER. IN ADDITION...A MOBILE HOME PARK IN EUREKA IS NOW BEING EVACUATED DUE TO FLOODING. PEOPLE THROUGHOUT ST LOUIS COUNTY AND NORTHERN JEFFERSON COUNTY SHOULD USE CAUTION WHILE DRIVING THIS MORNING...AND MAKE SURE TO STAY OFF OF ROADS THAT ARE CLOSED DUE TO HIGH WATER. IN ADDITION...IF YOU ARE IN AN AREA BEING EVACUATED...LEAVE AT ONCE WHEN ASKED TO DO SO BY EMERGENCY OFFICIALS. PERSONEL BELONGINGS CAN BE REPLACED...BUT LIVES CANNOT. 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 WATER MOVE UP TO HIGHER GROUND. TRUETT &
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, Aug 12, 1:10 AM CDT, 5 hours 38 minutes before
MOZ006-009-010-011-013-014-120700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 110 AM CDT THU AUG 12 1993 ...A FLASH FLOOD WATCH IS IN EFFECT TONIGHT... AT 110 AM STRONG THUNDERSTORMS STRETCHED FROM COLUMBIA TO 25 MILES SOUTHWEST OF COLUMBIA NEAR BUNCETON. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 30 MPH AND WILL CONTINUE TO AFFECT COLUMBIA...BUNCETON... AND PRAIRIE HOME THROUGH 130 AM. THE THUNDERSTORMS SHOULD REACH FULTON AND HARTSBURG BY 200 AM. VERY HEAVY RAIN...FREQUENT CLOUD TO GROUND LIGHTNING AND BRIEF GUSTY WINDS CAN BE EXPECTED FROM THESE THUNDERSTORMS. FLOODING OF LOW LYING URBAN AREAS AND LOW BRIDGES IS ALSO POSSIBLE. REPORT ANY FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY. KENNEDY
Special weather statement, Aug 12, 1:10 AM CDT, 5 hours 38 minutes before
MOZ003-007-120815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 110 AM CDT THU AUG 12 1993 ...INTENSE THUNDERSTORMS MOVING ACROSS NORTHEAST MISSOURI... AT 105 AM...WEATHER SERVICE RADAR INDICATED A CLUSTER OF INTENSE THUNDERSTORMS MOVING ACROSS NORTHEAST MISSOURI. THESE STORMS STRETCHED FROM NEAR KIRKSVILLE...EAST TO THE MISSISSIPPI RIVER NEAR GREGORY LANDING. THE STORMS WERE MOVING EAST AT 30 MILES AN HOUR. MOST OF THE STORMS WERE PRODUCING TORRENTIAL RAINS...AND SOME OF THE STRONGER STORMS WERE ALSO PRODUCING WINDS OF 40 TO 50 MILES AN HOUR. SOME STREET FLOODING HAS BEEN REPORTED IN THE KIRKSVILLE AREA. PEOPLE IN SCHUYLER...SCOTLAND...CLARK....ADAIR...KNOX....AND LEWIS COUNTIES CAN EXPECT INTENSE THUNDERSTORMS TO CONTINUE THROUGH AT LEAST 2 OR 3 AM THIS MORNING...WITH STRONG WIND GUSTS...HEAVY RAINS...AND FREQUE LIGHTNING. ALSO REMEMBER THAT A FLASH FLOOD WATCH IS IN EFFECT FOR NORTHEAST MISSOURI. THIS IS A POTENTIALLY DANGEROUS SITUATION...AND THOSE LIVING IN FLOOD PRONE OR LOW LYING AREAS SHOULD CAREFULLY MONITOR WEATHER DEVELOPMENTS OVER THE NEXT FEW HOURS. IF FLOODING IS OBSERVED OR A WARNING IS ISSUED...LEAVE PERSONAL BELONGINGS AND MOVE TO HIGHER GROUND AT ONCE. REPORT ANY FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY...AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE. TRUETT &
Special weather statement, Aug 12, 1:11 AM CDT, 5 hours 37 minutes before
MOZ003-007-120815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 110 AM CDT THU AUG 12 1993 ...INTENSE THUNDERSTORMS MOVING ACROSS NORTHEAST MISSOURI... AT 105 AM...WEATHER SERVICE RADAR INDICATED A CLUSTER OF INTENSE THUNDERSTORMS MOVING ACROSS NORTHEAST MISSOURI. THESE STORMS STRETCHED FROM NEAR KIRKSVILLE...EAST TO THE MISSISSIPPI RIVER NEAR GREGORY LANDING. THE STORMS WERE MOVING EAST AT 30 MILES AN HOUR. MOST OF THE STORMS WERE PRODUCING TORRENTIAL RAINS...AND SOME OF THE STRONGER STORMS WERE ALSO PRODUCING WINDS OF 40 TO 50 MILES AN HOUR. SOME STREET FLOODING HAS BEEN REPORTED IN THE KIRKSVILLE AREA. PEOPLE IN SCHUYLER...SCOTLAND...CLARK....ADAIR...KNOX....AND LEWIS COUNTIES CAN EXPECT INTENSE THUNDERSTORMS TO CONTINUE THROUGH AT LEAST 2 OR 3 AM THIS MORNING...WITH STRONG WIND GUSTS...HEAVY RAINS...AND FREQUE LIGHTNING. ALSO REMEMBER THAT A FLASH FLOOD WATCH IS IN EFFECT FOR NORTHEAST MISSOURI. THIS IS A POTENTIALLY DANGEROUS SITUATION...AND THOSE LIVING IN FLOOD PRONE OR LOW LYING AREAS SHOULD CAREFULLY MONITOR WEATHER DEVELOPMENTS OVER THE NEXT FEW HOURS. IF FLOODING IS OBSERVED OR A WARNING IS ISSUED...LEAVE PERSONAL BELONGINGS AND MOVE TO HIGHER GROUND AT ONCE. REPORT ANY FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY...AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE. TRUETT &
Special weather statement, Aug 12, 1:15 AM CDT, 5 hours 33 minutes before
MOZ006-009-010-011-013-014-120700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 110 AM CDT THU AUG 12 1993 ...A FLASH FLOOD WATCH IS IN EFFECT TONIGHT... AT 110 AM STRONG THUNDERSTORMS STRETCHED FROM COLUMBIA TO 25 MILES SOUTHWEST OF COLUMBIA NEAR BUNCETON. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 30 MPH AND WILL CONTINUE TO AFFECT COLUMBIA...BUNCETON... AND PRAIRIE HOME THROUGH 130 AM. THE THUNDERSTORMS SHOULD REACH FULTON AND HARTSBURG BY 200 AM. VERY HEAVY RAIN...FREQUENT CLOUD TO GROUND LIGHTNING AND BRIEF GUSTY WINDS CAN BE EXPECTED FROM THESE THUNDERSTORMS. FLOODING OF LOW LYING URBAN AREAS AND LOW BRIDGES IS ALSO POSSIBLE. REPORT ANY FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY. KENNEDY
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 11:05 PM CDT | Flash Flood Warning | LSX | Franklin | 4 hr |
| Aug 11, 11:25 PM CDT | Flash Flood Warning | LSX | Saint Charles | 97 min |
| Aug 12, 4:40 AM CDT | Flash Flood Warning | LSX | Franklin | 4 hr |
| Aug 12, 6:33 AM CDT | Flash Flood Warning | LSX | Crawford | 3 hr |
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.