Alert archive / Missouri / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 22, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 25, 1993, 12:59 AM CDT for Sainte Genevieve County, Missouri. It was in force for 46 min.
The area
The counties it named.
The facts
- Issued
- Apr 25, 1993, 12:59 AM CDT (05:59 UTC)
- Expired
- Apr 25, 1993, 1:45 AM CDT
- In force
- 46 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Sainte Genevieve County, MO
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 6.0 hours before the alert went out and 161 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
- 158 J/kg
- Mixed-layer CIN
- -304 J/kg
- Mixed-layer LCL
- 1187 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 268 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 250601 SVRSTL MOC186-250645- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1259 AM CDT SUN APR 25 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 145 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...STE GENEVIEVE COUNTY AT 1258 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER EASTERN ST. FRANCOIS COUNTY ABOUT 2 MILES NORTH OF FARMINGTON...OR ABOUT 60 MILES SOUTH OF ST LOUIS. THE STORM WAS MOVING EAST AT 45 MILES AN HOUR...AND WILL BE MOVING INTO STE. GENEVIEVE COUNTY SHORTLY. THIS STORM WILL BE AFFECTING THE CITIES OF WEINGARTEN...AND STE. GENEVIEVE. REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOEWITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. SHEA/TRUETT
What forecasters said that day
The local office's own words before this severe thunderstorm 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, Apr 24, 9:50 PM CDT, 3 hours 9 minutes before
MOZ006-009-010-011-013-014-250245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 945 PM CDT SAT APR 24 1993 ...SEVERE THUNDERSTORM WATCH FOR CENTRAL MISSOURI UNTIL MIDNIGHT... THUNDERSHOWERS..SOME WITH VERY HEAVY RAINS CONTINUED ACROSS CENTRAL MISSOURI AT 940 PM CDT. THE BROAD AREA OF GENERAL SHOWERS WAS SOUTH OF A LINE FROM KANSAS CITY TO HANNIBAL AND COVERED ALL OF CENTRAL MISSOURI. THE HEAVIEST SHOWERS WERE IN AN AREA ABOUT 40 MILES IN DIAMETER AND CENTERED OVER CALIFORNIA...ABOUT 20 MILES SOUTHWEST OF COLUMBIA. OTHER HEAVY SHOWERS WERE WIDELY SCATTERED FROM 40 MILES NORTHWEST OF COLUMBIA..AROUND SALISBURY..TO CENTRALIA AND MEXICO.. ABOUT 25 MILES NORTHEAST OF COLUMBIA. THE SHOWERS AND THUNDERSHOWERS WERE MOVING TO THE NORTHEAST AROUND 25 MILES AN HOUR. NO SEVERE WEATHER WAS REPORTED OR INDICATED BY RADAR IN CENTRAL MISSOURI THIS EVENING. LB
Special weather statement, Apr 24, 9:55 PM CDT, 3 hours 4 minutes before
MOZALL-250430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 955 PM CDT SAT APR 24 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF SOUTHERN AND CENTRAL MISSOURI UNTIL MIDNIGHT... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR A SMALL PART OF EAST CENTRAL MISSOURI UNTIL 100 AM CDT... ...A TORNADO WATCH IS ALSO IN EFFECT FOR PARTS OF SOUTHWEST AND SOUTH CENTRAL MISSOURI UNTIL 100 AM CDT... AT 945 PM...SHOWERS AND THUNDERSTORMS WERE SCATTERED OVER MUCH OF MISSOURI. THE STRONGEST STORMS EXTENDED FROM WEST OF ST LOUIS INTO CENTRAL MISSOURI...AND FROM THE SPRINGFIELD AREA SOUTHWEST INTO NORTHERN ARKANSAS. THESE STORMS WERE MOVING EAST TO NORTHEAST AT 35 MILES AN HOUR. IF YOU LIVE IN SOUTHWEST OR SOUTH CENTRAL MISSOURI...REMAIN ALERT FOR SEVERE THUNDERSTORMS AND POSSIBLE TORNADOES. CONDITIONS REMAIN FAVORABLE FOR THE DEVELOPMENT OF TORNADOES. LARGE HAIL...FREQUENT LIGHTNING AND VERY HEAVY RAIN ARE ALSO THREATS. IF STORMS MOVE INTO YOUR AREA...TAKE SHELTER AND LISTEN FOR POSSIBLE WARNINGS. FOR RESIDENTS OF CENTRAL AND EAST CENTRAL MISSOURI...SEVERE THUNDERSTORMS ARE STILL POSSIBLE THIS EVENING WHICH MAY PRODUCE LARGE HAIL AND DAMAGING WIND. IF A WARNING IS ISSUED FOR YOUR COUNTY OR AREA...STAY INDOORS AND LISTEN FOR LATER STATEMENTS. SEVERE THUDERSTORM WATCH #155 HAS BEEN DROPPED FOR THE IMMEDIATE KANSAS CITY AND SEDALIA AREA...BUT REMAINS IN EFFECT EAST AND SOUTH OF THERE. SHEAj
Special weather statement, Apr 24, 10:12 PM CDT, 2 hours 47 minutes before
MOZ012-250400- SPECIAL WEATHER STATEMENT AND SHORT-RANGE FORECAST NATIONAL WEATHER SERVICE ST LOUIS MO 1008 PM CDT SAT APR 24 1993 ...STRONG THUNDERSTORMS CONTINUE WEST AND NORTH OF ST LOUIS... AT 1006 PM...AN AREA OF THUNDERSTORMS WITH VERY HEAVY RAIN EXTENDED FROM ABOUT 15 MILES NORTH OF ST LOUIS DOWN INTO WESTERN ST LOUIS COUNTY. MOVEMENT OF THESE WAS NORTHEAST AT 35 MILES AN HOUR. CITIES AND COMMUNITIES WEST AND NORTH OF ST LOUIS CITY CAN EXPECT THUNDERSTORMS WITH VERY HEAVY RAIN...FREQUENT LIGHTNING AND SMALL HAIL THROUGH 1130 PM. IF YOU ARE DRIVING...VISIBILITIES MAY BE REDUCED TO A FEW YARDS IN AREAS OF HEAVY RAIN. WHEN A STORM MOVES INTO YOUR AREA...REMAIN INDOORS AND KEEP INFORMED OF THE LATEST WEATHER CONDITIONS IN CASE A WARNING IS ISSUED. LISTEN FOR NOAA WEATHER RADIO FOR WEATHER INFORMATION. SHEA
Special weather statement, Apr 24, 11:15 PM CDT, 1 hour 44 minutes before
MOZ006-009-010-011-013-014-250530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 1115 PM CDT SAT APR 24 1993 ...THE SEVERE THUNDERSTORM WATCH FOR CENTRAL MISSOURI IS NO LONGER IN EFFECT...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR EASTERN AND SOUTHEASTERN MISSOURI... AT 1110 PM A BROAD AREA OF SHOWERS AND VERY STRONG THUNDERSTORMS COVERED A LARGE PORTION OF CENTRAL MISSOURI. THE STRONGEST STORMS WERE LOCATED IN A NARROW LINE THAT EXTENDED FROM SPRINGFIELD...TO 40 MILES SOUTHEAST OF COLUMBIA. THE STORMS WERE MOVING NORTHEAST AT 30 MPH. NO SEVERE WEATHER REPORTS HAVE BEEN REPORTED IN CENTRAL MISSOURI...BUT FREQUENT AND DANGEROUS LIGHTNING ALONG WITH VERY HEAVY RAINS HAVE BEEN REPORTED THROUGHOUT THE REGION. REPORTS OF FLOODING WERE LOCALIZED AND LIMITED TO URBAN AREAS AND SMALL STREAMS. PERIODS OF SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER MID MISSOURI FOR MOST OF THE NIGHT ADDING TO THE THREAT OF FLOODING. PERSONS LIVING IN AREAS NORMALLY PRONE TO FLOODING SHOULD BE ON THE ALERT FOR RAPIDLY RISING WATER AND LISTEN TO WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS. PERLOW
Special weather statement, Apr 24, 11:19 PM CDT, 1 hour 40 minutes before
MOZALL-250530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1118 PM CDT SAT APR 24 1993 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PORTIONS OF SOUTHERN AND EASTERN MISSOURI UNTIL 5 AM... THIS WATCH INCLUDES THE CITIES ST LOUIS...ST CHARLES... CAPE GIRARDEAU...POPLAR BLUFF...ROLLA...WEST PLAINS AND FARMINGTON. THIS WAS REPLACES SEVERE THUNDERSTORM WATCH NUMBER 155 THAT WAS TO EXPIRE AT MIDNIGHT. A TORNADO WATCH FOR SOUTHWEST MISSOURI REMAINS IN EFFECT UNTIL 1 AM. AT 1115 PM...THUNDERSTORMS WERE OCCURRING FROM WEST CENTRAL ILLINOIS ACROSS EAST CENTRAL MISSOURI INTO SOUTHWEST MISSOURI. SOME OF THESE STORMS COULD REACH SEVERE LIMITS. PEOPLE IN THE WATCH AREA SHOULD CONTINUE TO MONITOR THE LATEST WEATHER CONDITIONS BY LISTENING TO NOAA WEATHER RADIO...OR LOCAL RADIO AND T.V. STATIONS. FERRY
Special weather statement, Apr 25, 12:25 AM CDT, 34 minutes before
MOZ007-011-012-017-018-ILZ011-013-250630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1223 AM CDT SUN APR 25 1993 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR EASTERN AND SOUTHERN MISSOURI UNTIL 5AM... SHOWERS AND THUNDERSTORMS WILL CONTINUE IN EASTERN AND SOUTHERN MISSOURI AND WESTERN ILLINOIS OVERNIGHT. AT 1210 AM...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM 45 MILES NORTHEAST OF ST LOUIS...TO THE CITY OF ST. CHARLES...TO NEAR ROLLA. THE STORMS WERE MOVING TO THE NORTHEAST AT 35 MILES AN HOUR. THE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAINS...DANGEROUS LIGHTNING AND STRONG GUSTY WINDS. AN URBAN AND SMALL STREAM FLOOD ADVISORY IS ALSO IN EFFECT FOR EAST CENTRAL MISSOURI. THE HEAVY RAIN WILL CAUSE PONDING OF WATER ON ROADS. MOTOTRISTS SHOULD USE CAUTION WHEN DRIVING IN EASTERN AND SOUTHERN MISSOURI TONIGHT. IF STORMS ARE IN YOUR AREA TAKE SHELTER INSIDE AND STAY AWAY FROM WINDOWS. MORSE
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 7:23 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln | 26 min |
| Apr 24, 9:22 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Saint Charles, Warren | 38 min |
| Apr 24, 10:23 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 37 min |
| Apr 24, 10:37 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 53 min |
| Apr 25, 12:28 AM CDT | Severe Thunderstorm Warning | LSX | Crawford | 35 min |
| Apr 25, 12:38 AM CDT | Severe Thunderstorm Warning | LSX | Dent, Reynolds | 52 min |
| Apr 25, 12:41 AM CDT | Severe Thunderstorm Warning | LSX | Saint Francois, Washington | 49 min |
| Apr 25, 12:45 AM CDT | Severe Thunderstorm Warning | LSX | Washington | 45 min |
| Apr 25, 1:14 AM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 33 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1993Every severe thunderstorm 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.