Alert archive / Missouri / Flash Flood Warnings in 1993
Flash Flood Warning 6, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at May 5, 1993, 3:08 PM CDT for Perry County, Missouri. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- May 5, 1993, 3:08 PM CDT (20:08 UTC)
- Expired
- May 5, 1993, 5:15 PM CDT
- In force
- 2 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Perry County, MO
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 8.1 hours before the alert went out and 122 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
- 56 J/kg
- Mixed-layer CIN
- -208 J/kg
- Mixed-layer LCL
- 984 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 274 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 052009 FFWSTL MOC157-052215- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 308 PM CDT WED MAY 5 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 515 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST MISSOURI ...PERRY COUNTY BETWEEN 230 AND 305 PM...A THUNDERSTORM OVER PERRY COUNTY MISSOURI HAS BEEN PRODUCING EXTREMELY HEAVY RAINS. THIS AREA IS SOME 60 MILES SOUTHEAST OF ST LOUIS. RAINFALL ESTIMATES FROM RADAR INDICATE THAT OVER 2 INCHES OF RAIN HAS FALLEN FROM THIS STORM SINCE 240 PM. SINCE THE STORM IS EXHIBITING A VERY SLOW SOUTHEAST DRIFT...ADDITIONAL HEAVY RAINS WILL OCCUR. THE PERRY COUNTY SHERIFF AT 3 PM REPORTED SOME COUNTY ROADS WERE ALREADY FLOODING JUST SOUTHEAST OF PERRYVILLE. 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, May 5, 2:40 PM CDT, 28 minutes before
MOZ018-052045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 240 PM CDT WED MAY 5 1993 ...STRONG THUNDERSTORM WAS OCCURRING OVER PERRY COUNTY MISSOURI... AT 240 PM...WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OCCURRING NEAR PERRYVILLE MISSOURI...WHICH IS SOME 60 MILES SOUTHEAST OF ST LOUIS. THE STORM HAD MOVED VERY LITTLE SINCE ITS INITIAL DEVELOPMENT SHORTLY AFTER 215 PM THIS AFTERNOON. THE STORM WILL BE PRODUCING SOME HAIL AND EXTREMELY HEAVY RAINS ACROSS PERRY COUNTY BETWEEN 240 AND 315 PM AS ITS DRIFTS SOUTHEAST. THE HEAVY RAINS ASSOCIATED WITH THE STORM COULD PRODUCE SOME FLOODING OF LOW LYING AREAS. THE PERRYVILLE POLICE REPORTED SMALL HAIL WITH THE STORM AT 235 PM. TRUETT &
Special weather statement, May 5, 2:43 PM CDT, 25 minutes before
MOZ018-052045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 240 PM CDT WED MAY 5 1993 ...STRONG THUNDERSTORM WAS OCCURRING OVER PERRY COUNTY MISSOURI... AT 240 PM...WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OCCURRING NEAR PERRYVILLE MISSOURI...WHICH IS SOME 60 MILES SOUTHEAST OF ST LOUIS. THE STORM HAD MOVED VERY LITTLE SINCE ITS INITIAL DEVELOPMENT SHORTLY AFTER 215 PM THIS AFTERNOON. THE STORM WILL BE PRODUCING SOME HAIL AND EXTREMELY HEAVY RAINS ACROSS PERRY COUNTY BETWEEN 240 AND 315 PM AS ITS DRIFTS SOUTHEAST. THE HEAVY RAINS ASSOCIATED WITH THE STORM COULD PRODUCE SOME FLOODING OF LOW LYING AREAS. THE PERRYVILLE POLICE REPORTED SMALL HAIL WITH THE STORM AT 235 PM. TRUETT &
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 2:58 PM CDT | Severe Thunderstorm Warning | LSX | Perry | 32 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.