Alert archive / Missouri / Flash Flood Warnings in 1993
Flash Flood Warning 48, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jul 23, 1993, 4:55 PM CDT for Perry County, Missouri. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 23, 1993, 4:55 PM CDT (21:55 UTC)
- Expired
- Jul 23, 1993, 8:00 PM CDT
- In force
- 3 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, 9.9 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
- 128 J/kg
- Mixed-layer CIN
- -181 J/kg
- Mixed-layer LCL
- 916 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 61 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 232156 FFWSTL MOC157-240100- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 455 PM CDT FRI JUL 23 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST MISSOURI ...PERRY COUNTY AT 455 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A NEARLY STATIONARY THUNDERSTORM OVER NORTHERN PERRY COUNTY JUST NORTH OF PERRYVILLE. THIS IS ABOUT 55 MILES SOUTH OF ST. LOUIS. RADAR INDICATES OVER 3 INCHES OF RAIN MAY HAVE FALLEN FROM THIS STORM BETWEEN 330 AND 450 PM THIS AFTERNOON. THE STORM CONTINUED TO DRIFT TO THE SOUTH AND WILL BRING HEAVY RAIN TO THE PERRYVILLE AREA BETWEEN 500 AND 515 PM. 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. MORSE/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, Jul 23, 2:00 PM CDT, 2 hours 55 minutes before
MOZ006-009-010-011-013-014-232000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 200 PM CDT FRI JUL 23 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8PM... ...SCATTERED THUNDERSTORMS WERE DEVELOPING IN CENTRAL MISSOURI... THUNDERSTORMS WITH VERY HEAVY RAIN WERE SCATTERED IN NORTHEAST PARTS OF CENTRAL MISSOURI FROM AROUND MEXICO TO NEAR HANNIBAL AND MOVING EAST AT 35 MPH. OTHER THUNERSTORTMS WITH VERY HEAVY RAIN WERE IN SOUTHEAST AREAS OF CENTRAL MISSOURI FROM 15 MILES SOUTH OF JEFFERSON CITY TO 20 MILES EAST OF JEFFERSON CITY...OR FROM NEAR VIENNA AND META TO AROUND LINN. THESE WERE ALSO MOVING EAST AT 35 MPH. PERSONS IN MEXICO...LADDONIA...VANDALIA...FREEBURG...LINN...OWENSVILLE ...WELLSVILLE...AND MONTGOMERY CITY...CAN EXPECT HEAVY RAIN...GUSTY WIND DANGEROUS LIGHTNING AND POSSIBLY SOME SMALL HAIL FROM THESE STORMS BETWEEN 2PM AND 3PM. LARM WSJP31RJAA ,P9^
Special weather statement, Jul 23, 2:02 PM CDT, 2 hours 53 minutes before
MOZ012-232000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 202 PM CDT FRI JUL 23 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EAST CENTRAL MISSOURI AND PARTS OF WESTERN ILLINOIS UNTIL 8PM... AT 155 PM...NATIONAL WEATHER SERVICE RADAR INDICATED TWO STRONG THUNDERSTORMS IN ST. LOUIS COUNTY. ONE STORM WAS JUST SOUTHWEST OF DOWNTOWN ST. LOUIS AND THE OTHER WAS ALONG THE COUNTY LINE BETWEEN ST. CHARLES AND ST. LOUIS COUNTY. THE STORMS WERE MOVING TO THE EAST AT 20 MILES AN HOUR. RESIDENTS OF THE WESTERN AND SOUTHERN PART ST. LOUIS COUNTY AND ST. LOUIS CITY SHOULD BE PREPARED FOR BRIEF PERIODS OF TORRENTIAL RAIN... DANGEROUS LIGHTINING AND STRONG GUSRTY WINDS. THE SAFEST PLACE TO BE DURING A THUNDERSTORM IS INDOORS AND AWAY FROM WINDOWS. MORSE
Special weather statement, Jul 23, 2:04 PM CDT, 2 hours 51 minutes before
MOZ012-232000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 202 PM CDT FRI JUL 23 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EAST CENTRAL MISSOURI AND PARTS OF WESTERN ILLINOIS UNTIL 8PM... AT 155 PM...NATIONAL WEATHER SERVICE RADAR INDICATED TWO STRONG THUNDERSTORMS IN ST. LOUIS COUNTY. ONE STORM WAS JUST SOUTHWEST OF DOWNTOWN ST. LOUIS AND THE OTHER WAS ALONG THE COUNTY LINE BETWEEN ST. CHARLES AND ST. LOUIS COUNTY. THE STORMS WERE MOVING TO THE EAST AT 20 MILES AN HOUR. RESIDENTS OF THE WESTERN AND SOUTHERN PART ST. LOUIS COUNTY AND ST. LOUIS CITY SHOULD BE PREPARED FOR BRIEF PERIODS OF TORRENTIAL RAIN... DANGEROUS LIGHTINING AND STRONG GUSRTY WINDS . THE SAFEST PLACE TO BE DURING A THUNDERSTORM IS INDOORS AND AWAY FROM WINDOWS. MORSE
Special weather statement, Jul 23, 2:06 PM CDT, 2 hours 49 minutes before
MOZ006-009-010-011-013-014-232000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 200 PM CDT FRI JUL 23 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8PM... ...SCATTERED THUNDERSTORMS WERE DEVELOPING IN CENTRAL MISSOURI... THUNDERSTORMS WITH VERY HEAVY RAIN WERE SCATTERED IN NORTHEAST PARTS OF CENTRAL MISSOURI FROM AROUND MEXICO TO NEAR HANNIBAL AND MOVING EAST AT 35 MPH. OTHER THUNERSTORTMS WITH VERY HEAVY RAIN WERE IN SOUTHEAST AREAS OF CENTRAL MISSOURI FROM 15 MILES SOUTH OF JEFFERSON CITY TO 20 MILES EAST OF JEFFERSON CITY...OR FROM NEAR VIENNA AND META TO AROUND LINN. THESE WERE ALSO MOVING EAST AT 35 MPH. PERSONS IN MEXICO...LADDONIA...VANDALIA...FREEBURG...LINN...OWENSVILLE ...WELLSVILLE...AND MONTGOMERY CITY...CAN EXPECT HEAVY RAIN...GUSTY WIND DANGEROUS LIGHTNING AND POSSIBLY SOME SMALL HAIL FROM THESE STORMS BETWEEN 2PM AND 3PM. LARM
Special weather statement, Jul 23, 3:55 PM CDT, 1 hour before
MOZ007-011-012-017-ILZ011-232200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 355 PM CDT FRI JUL 23 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EAST CENTRAL MISSOURI AND PARTS OF SOUTHWEST ILLINOIS UNTIL 800 PM... AT 350 PM...RADAR INDICATED A LINE OF STRONG THUNDERSTORMS WITH VERY HEAVY RAIN FROM 35 MILES NORTH OF ST LOUIS...NEAR HARDIN ILLINOIS... TO 50 MILES WEST OF ST LOUIS...NEAR WARRENTON. THESE STORMS ARE MOVING EAST AT 20 MILES AN HOUR. RAINFALL FROM THESE STORMS HAS BEEN AS HIGH AS 1 TO 2 INCHES AN HOUR ALONG WITH GUSTY WIND AND FREQUENT LIGHTNING. IF YOU LIVE IN EAST CENTRAL MISSOURI OR SOUTHWEST ILLINOIS YOU CAN EXPECT ROUNDS OF TORRENTIAL RAIN FOR THE REMAINDER OF THE AFTERNOON. BE ALERT FOR FLASH FLOODING AND SEVERE WEATHER...LIKE LARGE HAIL AND DAMAGING WIND. WHEN A WARNING IS ISSUED...MOVE TO A PLACE OF SHELTER. PEOPLE WORKING ON LEVEES OR AREA FLOOD PROBLEMS SHOULD WATCH FOR APPROACHING STORMS. LISTEN FOR FURTHER UPDATES AND POSSIBLE WARNINGS ON NOAA WEATHER RADIO. SHEA
Special weather statement, Jul 23, 3:56 PM CDT, 59 minutes before
MOZ007-011-012-017-ILZ011-232200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 355 PM CDT FRI JUL 23 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EAST CENTRAL MISSOURI AND PARTS OF SOUTHWEST ILLINOIS UNTIL 800 PM... AT 350 PM...RADAR INDICATED A LINE OF STRONG THUNDERSTORMS WITH VERY HEAVY RAIN FROM 35 MILES NORTH OF ST LOUIS...NEAR HARDIN ILLINOIS... TO 50 MILES WEST OF ST LOUIS...NEAR WARRENTON. THESE STORMS ARE MOVING EAST AT 20 MILES AN HOUR. RAINFALL FROM THESE STORMS HAS BEEN AS HIGH AS 1 TO 2 INCHES AN HOUR ALONG WITH GUSTY WIND AND FREQUENT LIGHTNING. IF YOU LIVE IN EAST CENTRAL MISSOURI OR SOUTHWEST ILLINOIS YOU CAN EXPECT ROUNDS OF TORRENTIAL RAIN FOR THE REMAINDER OF THE AFTERNOON. BE ALERT FOR FLASH FLOODING AND SEVERE WEATHER...LIKE LARGE HAIL AND DAMAGING WIND. WHEN A WARNING IS ISSUED...MOVE TO A PLACE OF SHELTER. PEOPLE WORKING ON LEVEES OR AREA FLOOD PROBLEMS SHOULD WATCH FOR APPRO ACHING STORMS. LISTEN FOR FURTHER UPDATES AND POSSIBLE WARNINGS ON NOAA WEATHER RADIO. SHEA
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 4:00 PM CDT | Severe Thunderstorm Warning | LSX | Perry | 45 min |
| Jul 23, 5:40 PM CDT | Flash Flood Warning | LSX | Jefferson, Sainte Genevieve | 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.