Alert archive / Missouri / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 64, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 28, 1993, 3:10 PM CDT for Saint Charles County, Saint Louis County, Missouri; Madison County, Illinois. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- Jun 28, 1993, 3:10 PM CDT (20:10 UTC)
- Expired
- Jun 28, 1993, 3:45 PM CDT
- In force
- 35 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Madison County, IL, Saint Charles County, MO, Saint Louis County, MO
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 8.2 hours before the alert went out and 236 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
- 1206 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 920 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 28 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 282011 SVRSTL ILC119-MOC183-189-282045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 310 PM CDT MON JUN 28 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ILLINOIS ...MADISON COUNTY IN EAST CENTRAL MISSOURI ...EASTERN ST CHARLES COUNTY...NORTHERN ST LOUIS COUNTY AT 310 PM...WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM JUST EAST OF ST CHARLES..WHICH IS ABOUT 20 MILES NORTHWEST OF DOWNTOWN ST LOU . THE STORM WAS MOVING EAST AT 20 MILES AN HOUR...AND WILL BE AFFECTING BRIDGETON...FLORISSANT...AND ALTON. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. TRUETT/FERRY
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, Jun 28, 9:22 AM CDT, 5 hours 48 minutes before
MOZ003-006-007-010-011-281515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 917 AM CDT MON JUN 28 1993 ...THE SEVERE THUNDERSTORM WATCH FOR NORTHEAST MISSOURI AND EXTREME WEST CENTRAL ILLINOIS HAS BEEN CANCELLED... THE SEVERE THUNDERSTORM WATCH FOR NORTHEAST MISSOURI AND EXTREME WEST CENTRAL ILLINOIS HAS BEEN CANCELLED. BETWEEN 8 AND 9 AM...THE THUNDERSTORMS OVER NORTHEAST MISSOURI WEAKENED CONSIDERABLY IN INTENSITY...ENDING THE THREAT OF SEVERE WEATHER. AT 915 AM...WEATHER SERVICE RADAR INDICATED SHOWERS AND A FEW THUNDERSTORMS SCATTERED THROUGHOUT NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS...GENERALLY ALONG AND NORTH OF A COLUMBIA...TROY MISSOURI LINE. THESEh SHOWERS AND STORMS WERE MOVING EAST AT 25 TO 30 MILES AN HOUR. TRUETT
Special weather statement, Jun 28, 9:25 AM CDT, 5 hours 45 minutes before
MOZ006-009-281030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 925 AM CDT MON JUN 28 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 AM CDT... AT 925 AM STRONG THUNDERSTORMS WERE LOCATED FROM 10 MILES WEST OF LACLEDE TO 10 MILES WEST OF BRUNSWICK. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 35 MPH. THESE THUNDERSTORMS WERE NOT YET SEVERE BUT HAVE THE POTENTIAL TO STRENGTHEN TO SEVERE STRENGTH. EXPECT STRONG GUSTY WINDS...VERY HEAVY RAIN...AND POSSIBLY SMALL HAIL AS THESE STORMS AFFECT LACLEDE...SUMNER...AND BRUNSWICK THROUGH 500 AM. KENNEDY
Special weather statement, Jun 28, 12:02 PM CDT, 3 hours 8 minutes before
MOZALL-291200- MISSOURI SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 12 NOON CDT MON JUN 28 1993 THERE IS A SLIGHT CHANCE FOR SEVERE THUNDERSTORMS ACROSS VIRTUALLY ALL OF MISSOURI...EXCEPT FOR THE SOUTHEAST CORNER...FROM LATE THIS AFTERNOON INTO TONIGHT. EMERGENCY MANAGERS AND SKYWARN SPOTTER NETWORKS SHOULD KEEP ADVISED OF THE LATEST WEATHER FORECASTS FOR POSSIBLE SKYWARN ACTIVATION. JPK
Special weather statement, Jun 28, 12:02 PM CDT, 3 hours 8 minutes before
MOZALL-291200- MISSOURI SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 12 NOON CDT MON JUN 28 1993 THERE IS A SLIGHT CHANCE FOR SEVERE THUNDERSTORMS ACROSS VIRTUALLY ALL OF MISSOURI...EXCEPT FOR THE SOUTHEAST CORNER...FROM LATE THIS AFTERNOON INTO TONIGHT. EMERGENCY MANAGERS AND SKYWARN SPOTTER NETWORKS SHOULD KEEP ADVISED OF THE LATEST WEATHER FORECASTS FOR POSSIBLE SKYWARN ACTIVATION. JPK
Special weather statement, Jun 28, 2:15 PM CDT, 55 minutes before
MOZ011-012-017-018-021-022-291600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 215 PM CDT MON JUN 28 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM FOR PARTS OF EAST CENTRAL AND SOUTHEAST MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PARTS OF EAST CENTRAL AND SOUTHEAST MISSOURI. THE WATCH IS IN EFFECT UNTIL 9 PM AND INCLUDES ST LOUIS...ST CHARLES...ROLLA...WEST PLAINS ST GENEVIEVE AND CAPE GIRARDEAU. THUNDERSTORMS HAVE ALREADY FORMED FROM WESTERN ILLINOIS SOUTHWEST INTO THE MISSOURI OZARKS. AT 210 PM THE STRONGEST STORMS WERE IN WESTERN ILLINOIS...JUST EAST OF ST LOUIS. HOWEVER...THE DEVELOPEMENT OF STRONG THUNDERSTORMS WILL CONTINUE THE REST OF THIS AFTERNOON AND THROUGH THE EARLY EVENING HOURS. THE CONDITIONS OVER EAST CENTRAL AND PARTS OF SOUTHEAST MISSOURI ARE SUCH THAT SOME OF THE STORMS COULD BECOME SEVERE. IN ADDITION TO THE SEVERE WEATHER POTENTIAL...LOCALLY HEAVY RAIN IS ALSO POSSIBLE FROM SOME OF THESE STORMS. PEOPLE IN THE WATCH AREA SHOULD MONITOR THE LOCAL WEATHER CONDITIONS CLOSELY THIS AFTERNOON AND THIS EVENING. YOU SHOULD STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO OR T.V. STATIONS TO GET THE LATEST WEATHER INFORMATION. FERRY
Special weather statement, Jun 28, 2:18 PM CDT, 52 minutes before
MOZ011-012-017-018-021-022-291600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 215 PM CDT MON JUN 28 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM FOR PARTS OF EAST CENTRAL AND SOUTHEAST MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PARTS OF EAST CENTRAL AND SOUTHEAST MISSOURI. THE WATCH IS IN EFFECT UNTIL 9 PM AND INCLUDES ST LOUIS...ST CHARLES...ROLLA...WEST PLAINS ST GENEVIEVE AND CAPE GIRARDEAU. THUNDERSTORMS HAVE ALREADY FORMED FROM WESTERN ILLINOIS SOUTHWEST INTO THE MISSOURI OZARKS. AT 210 PM THE STRONGEST STORMS WERE IN WESTERN ILLINOIS...JUST EAST OF ST LOUIS. HOWEVER...THE DEVELOPEMENT OF STRONG THUNDERSTORMS WILL CONTINUE THE REST OF THIS AFTERNOON AND THROUGH THE EARLY EVENING HOURS. THE CONDITIONS OVER EAST CENTRAL AND PARTS OF SOUTHEAST MISSOURI ARE SUCH THAT SOME OF THE STORMS COULD BECOME SEVERE. IN ADDITION TO THE SEVERE WEATHER POTENTIAL...LOCALLY HEAVY RAIN IS ALSO POSSIBLE FROM SOME OF THESE STORMS. PEOPLE IN THE WATCH AREA SHOULD MONITOR THE LOCAL WEATHER CONDITIONS CLOSELY THIS AFTERNOON AND THIS EVENING. YOU SHOULD STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO OR T.V. ~STATIONS TO GET THE LATEST WEATHER INFORMATION. FERRY
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 3:42 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 23 min |
| Jun 28, 4:26 PM CDT | Severe Thunderstorm Warning | LSX | Dent | 44 min |
| Jun 28, 5:13 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis | 47 min |
| Jun 28, 5:19 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Warren | 41 min |
| Jun 28, 5:44 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 46 min |
| Jun 28, 6:30 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis, City of Saint Louis | 45 min |
| Jun 28, 6:31 PM CDT | Flash Flood Warning | LSX | Franklin | 3 hr |
| Jun 28, 6:54 PM CDT | Flash Flood Warning | LSX | Saint Louis, City of Saint Louis | 3 hr |
| Jun 28, 6:54 PM CDT | Flash Flood Warning | LSX | Saint Charles | 3 hr |
| Jun 28, 1:29 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Madison | 22 min |
| Jun 28, 2:15 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 36 min |
| Jun 28, 2:41 PM CDT | Severe Thunderstorm Warning | LSX | Effingham | 39 min |
| Jun 28, 3:28 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Clinton | 47 min |
| Jun 28, 3:42 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 48 min |
| Jun 28, 4:20 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Marion | 40 min |
| Jun 28, 4:40 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 35 min |
| Jun 28, 4:57 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 63 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1993Severe Thunderstorm Warnings in Illinois, 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.