Alert archive / Missouri / Flash Flood Warnings in 1991
Flash Flood Warning 16, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jul 10, 1991, 6:41 AM CDT for Lincoln County, Missouri. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 10, 1991, 6:41 AM CDT (11:41 UTC)
- Expired
- Jul 10, 1991, 9:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Lincoln County, MO
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 11.7 hours before the alert went out and 297 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
- 2067 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 959 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 68 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 101145 FFWSTL MOC113-101445- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 641 AM CDT WED JUL 10 1991 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 945 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...LINCOLN COUNTY AT 640 AM...RADAR AND SATELLITE INDICATED A CLUSTER OF THUNDERSTORMS WITH HEAVY RAIN IN LINCOLN COUNTY. THIS AREA RECEIVED 2 TO 4 INCHES OVER NIGHT AND WILL LIKELY RECEIVE 1 TO 2 ADDITIONAL INCHES OF RAIN BETWEEN 7 AND 8 AM. SINCE THE GROUND IS SATURATED...THE RAIN WILL RUN OFF QUICKLY. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAYW. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. TUCKER
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 10, 1:32 AM CDT, 5 hours 9 minutes before
MOZ006-010-011-100615- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 130 AM CDT WED JUL 10 1991 ...STRONG THUNDERSTORMS CONTINUED IN CENTRAL MISSOURI... AT 115 AM STRONG THUNDERSTORMS WERE SCATTERD FROM 25 MILES SOUTH OF KIRKSVILLE TO ABOUT 30 MILES EAST OF COLUMBIA TO JUST NORTH OF JEFFERSON CITY. THE STORMS WERE MOVING TO THE SOUTHEAST AT 25 MILES AN HOUR. EXPECT TORRENTIAL RAIN...STRONG GUSTY WINDS...AND DANGEROUS LIGHTNING WITH THE STORMS. TAKE SHELTER INSIDE AND AWAY FROM WINDOWS. FLASH FLOODING IS ALSO POSSIBLE IN THE NORTHERN AND EASTERN PARTS OF MID MISSOURI AS THE THNDERSTORMS ARE MOVING OVER ALREADY SATURATED GROUND. IF YOU LIVE IN A LOW LYING AREA OR AN AREA PRONE TO FLOODING BE ALERT TO RAPIDLY CHANGING WEATHER COMDITIONS. IF FLOODING IS OBSERVED MOVE QUICKLY TO HIGHER GROUND. MORSE
Special weather statement, Jul 10, 1:40 AM CDT, 5 hours 1 minute before
MOZ006-010-011-100715- SPECIAL WEATHER STATEMENT...CORRECTED FOR EXPIRATION TIME NATIONAL WEATHER SERVICE COLUMBIA MO 130 AM CDT WED JUL 10 1991 ...STRONG THUNDERSTORMS CONTINUED IN CENTRAL MISSOURI... AT 115 AM STRONG THUNDERSTORMS WERE SCATTERD FROM 25 MILES SOUTH OF KIRKSVILLE TO ABOUT 30 MILES EAST OF COLUMBIA TO JUST NORTH OF JEFFERSON CITY. THE STORMS WERE MOVING TO THE SOUTHEAST AT 25 MILES AN HOUR. EXPECT TORRENTIAL RAIN...STRONG GUSTY WINDS...AND DANGEROUS LIGHTNING WITH THE STORMS. TAKE SHELTER INSIDE AND AWAY FROM WINDOWS. FLASH FLOODING IS ALSO POSSIBLE IN THE NORTHERN AND EASTERN PARTS OF MID MISSOURI AS THE THNDERSTORMS ARE MOVING OVER ALREADY SATURATED GROUND. IF YOU LIVE IN A LOW LYING AREA OR AN AREA PRONE TO FLOODING BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. IF FLOODING IS OBSERVED MOVE QUICKLY TO HIGHER GROUND. MORSE
Special weather statement, Jul 10, 5:29 AM CDT, 1 hour 12 minutes before
MOZ006-010-011-101130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 525 AM CDT WED JUL 10 1991 ...A FLASH FLOOD WATCH IS IN EFFECT FOR MOST OF CENTRAL MISSOURI TODAY AND TONIGHT... AT 500 AM SHOWERS AND THUNDERSTORMS..SOME WITH VERY HEAVY RAIN WERE SCATTERED OVER NORTHERN AND CENTRAL SECTIONS OF MID MISSOURI. THE STRONGEST STORMS IN THIS AREA WERE BETWEEN COLUMBIA AND JEFFERSON CIY. ALL OF THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE EAST AT 25 MILES AN HOUR. THE THUNDERSTORMS WILL PRODUCE STRONG GUSTY WINDS...DANGEROUS LIGHTNING AND VERY HEAVY RAIN. TAKE SHELTER INDOORS AND AWAY FROM WINDOWS. EASTERN AND NORTHERN SECTIONS OF MID MISSOURI HAVE RECEIVED SEVERAL PERIODS OF HEAVY RAIN OVERNIGHT. ANY ADDITIONAL RAIN COULD PRODUCE FLASH FLOODING IN THIS AREA. BE PREPARED TO MOVE QUICKLY TO HIGHER GROUND IF FLOODING IS OBSERVED. DO NOT DRIVE ACROSS WATER THAT COVERS THE ROAD. MORSE
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 7:10 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 35 min |
| Jul 9, 8:34 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 41 min |
| Jul 10, 12:58 AM CDT | Flash Flood Warning | LSX | Warren | 3 hr |
| Jul 10, 1:03 AM CDT | Flash Flood Warning | LSX | Lincoln, Pike | 3 hr |
| Jul 10, 1:41 AM CDT | Flash Flood Warning | LSX | City of Saint Louis | 3 hr |
| Jul 10, 1:41 AM CDT | Flash Flood Warning | LSX | Saint Charles | 3 hr |
| Jul 10, 1:41 AM CDT | Flash Flood Warning | LSX | Franklin, Jefferson, Saint Louis | 3 hr |
| Jul 10, 4:43 AM CDT | Flash Flood Warning | LSX | Franklin | 3 hr |
| Jul 10, 5:33 AM CDT | Flash Flood Warning | LSX | Jefferson, Saint Louis | 3 hr |
| Jul 10, 5:33 AM CDT | Flash Flood Warning | LSX | City of Saint Louis | 3 hr |
| Jul 10, 5:33 AM CDT | Flash Flood Warning | LSX | Saint Charles | 3 hr |
Nearby
Flash Flood Warnings in Missouri, 1991Every flash flood warning in 1991
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.