Alert archive / Missouri / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 40, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 4, 1993, 3:27 AM CDT for Franklin County, Missouri. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Jun 4, 1993, 3:27 AM CDT (08:27 UTC)
- Expired
- Jun 4, 1993, 4:30 AM CDT
- In force
- 63 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Franklin County, MO
The radar
The St Louis radar (KLSX), 47 km from the middle of the area, began a volume at 08:29 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 8.5 hours before the alert went out and 257 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
- 1048 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 1240 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 232 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 6.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 040831 SVRSTL MOC071-040930- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 327 AM CDT FRI JUN 4 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...FRANKLIN COUNTY AT 330 AM...NWS DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES SOUTH OF HERMANN OR ABOUT 65 MILES WEST OF ST LOUIS. THIS STORM WAS MOVING SOUTHEAST AT 25 MPH. THIS STORM WILL EFFECT THE TOWNS OF NEW HAVEN...DISSEN...KIEL BY 400 AM AND WASHINGTON AND UNION BY 420 AM. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. GLASS
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 3, 11:30 PM CDT, 3 hours 57 minutes before
MOZ006-009-010-011-013-014-040530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 1130 PM CDT THU JUN 3 1993 ...SEVERE THUNDERSTORM WATCH UNTIL 400 AM... AT 1125 PM VERY STRONG THUNDERSTORMS WERE 40 MILES NORTH OF COLUMBIA JUST NORTH OF MOBERLY...AND ABOUT 45 MILES NORTH OF SEDALIA NEAR BRUNSWICK...AND WERE MOVING TO THE NORTHEAST AT 35 MILES AN HOUR. THESE THUNDERSTORMS WERE PRODUCING HEAVY RAIN...DEADLY LIGHTNING GUSTY WINDS...AND THE POSSIBILITY OF SMALL HAIL. PERSONS IN THE COMMUNITIES OF BRUNSWICK AND SALISBURY CAN EXPECT THUNDERSTORMS TO MOVE ACROSS THEIR AREAS BETWEEN 1130 PM AND 1200 AM. SEVERE THUNDERSTORMS PRODUCE LARGE HAIL...AND STRONG GUSTY WINDS. IF SEVERE WEATHER IS SPOTTED RELAY YOU REPORT TO THE NEAREST LAW ENFORECEMENT AGENCY SO IT CAN BE PASSED ALONG TO THE NATIONAL WEATHER SERVICE. LA GREE
Special weather statement, Jun 3, 11:30 PM CDT, 3 hours 57 minutes before
MOZ006-009-010-011-013-014-040530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 1130 PM CDT THU JUN 3 1993 ...SEVERE THUNDERSTORM WATCH UNTIL 400 AM... AT 1125 PM VERY STRONG THUNDERSTORMS WERE 40 MILES NORTH OF COLUMBIA JUST NORTH OF MOBERLY...AND ABOUT 45 MILES NORTH OF SEDALIA NEAR BRUNSWICK...AND WERE MOVING TO THE NORTHEAST AT 35 MILES AN HOUR. THESE THUNDERSTORMS WERE PRODUCING HEAVY RAIN...DEADLY LIGHTNING GUSTY WINDS...AND THE POSSIBILITY OF SMALL HAIL. PERSONS IN THE COMMUNITIES OF BRUNSWICK AND SALISBURY CAN EXPECT THUNDERSTORMS TO MOVE ACROSS THEIR AREAS BETWEEN 1130 PM AND 1200 AM. SEVERE THUNDERSTORMS PRODUCE LARGE HAIL...AND STRONG GUSTY WINDS. IF SEVERE WEATHER IS SPOTTED RELAY YOU REPORT TO THE NEAREST LAW ENFORECEMENT AGENCY SO IT CAN BE PASSED ALONG TO THE NATIONAL WEATHER SERVICE. LA GREE
Special weather statement, Jun 4, 1:45 AM CDT, 1 hour 42 minutes before
MOZ008-013-040800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 145 AM CDT FRI JUN 4 1993 ...PORTIONS OF SEVERE THUNDERSTORM WATCH NO 326 FOR WESTERN MISSOURI HAVE BEEN CANCELED... AT 140 AM...WEATHER RADAR SHOWED THAT THE STRONG STORMS PREVIOUSLY MOVING OVER EXTREME WESTERN MISSOURI HAD MOVED EAST OF THE KANSAS CITY AREA. THEREFORE THE WATCH HAS BEEN CANCELED FOR ALL COUNTIES IN MISSOURI ZONE 8...PLUS BATES COUNTY IN ZONE 13. SEVERE THUNDERSTORM WATCH NUMBER 326 REMAINS IN EFFECT HOWEVER FOR THE REMAINDER OF WEST CENTRAL AND CENTRAL MISSOURI. GOETSCH
Special weather statement, Jun 4, 1:49 AM CDT, 1 hour 38 minutes before
MOZ008-013-040800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 145 AM CDT FRI JUN 4 1993 ...PORTIONS OF SEVERE THUNDERSTORM WATCH NO 326 FOR WESTERN MISSOURI HAVE BEEN CANCELED... AT 140 AM...WEATHER RADAR SHOWED THAT THE STRONG STORMS PREVIOUSLY MOVING OVER EXTREME WESTERN MISSOURI HAD MOVED EAST OF THE KANSAS CITY AREA. THEREFORE THE WATCH HAS BEEN CANCELED FOR ALL COUNTIES IN MISSOURI ZONE 8...PLUS BATES COUNTY IN ZONE 13. SEVERE THUNDERSTORM WATCH NUMBER 326 REMAINS IN EFFECT HOWEVER FOR THE REMAINDER OF WEST CENTRAL AND CENTRAL MISSOURI. GOETSCH
Special weather statement, Jun 4, 3:18 AM CDT, 9 minutes before
MOZ015-016-017-019-020-021-040915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 318 AM CDT FRI JUN 4 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 AM FOR SOUTHWESTERN AND SOUTH CENTRAL MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR SOUTHWESTERN AND SOUTH CENTRAL MISSOURI UNTIL 900 AM THIS FRIDAY MORNING. THIS WATCH INCLUDES THE CITIES OF JOPLIN...SPRINGFIELD...AND WEST PLAINS. A SEVERE THUNDERSTORM WATCH MEANS THE CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS WHICH MAY CONTAIN LARGE HAIL AND DAMAGING THUNDERSTORM WINDS. AT 315 AM...WEATHER SERVICE RADARS INDICATED RAPIDLY DEVELOPING THUNDERSTORMS ACROSS PORTIONS OF SOUTHWESTERN AND SOUTH CENTRAL MISSOURI. THESE STORMS WERE MOVING TO THE EAST NORTHEAST AROUND 30 MPH. PEOPLE IN AND CLOSE TO THE WATCH AREA SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND MONITOR LOCAL MEDIA OR NOAA WEATHER RADIO FOR STATEMENTS AND POSSIBLE WARNINGS. IF YOU OBSERVE THREATENING WEATHER SEEK SHELTER IMMEDIATELY. GLASS
Special weather statement, Jun 4, 3:21 AM CDT, 6 minutes before
MOZ015-016-017-019-020-021-040915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 318 AM CDT FRI JUN 4 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 AM FOR SOUTHWESTERN AND SOUTH CENTRAL MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR SOUTHWESTERN AND SOUTH CENTRAL MISSOURI UNTIL 900 AM THIS FRIDAY MORNING. THIS WATCH INCLUDES THE CITIES OF JOPLIN...SPRINGFIELD...AND WEST PLAINS. A SEVERE THUNDERSTORM WATCH MEANS THE CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS WHICH MAY CONTAIN LARGE HAIL AND DAMAGING THUNDERSTORM WINDS. AT 315 AM...WEATHER SERVICE RADARS INDICATED RAPIDLY DEVELOPING THUNDERSTORMS ACROSS PORTIONS OF SOUTHWESTERN AND SOUTH CENTRAL MISSOURI. THESE STORMS WERE MOVING TO THE EAST NORTHEAST AROUND 30 MPH. PEOPLE IN AND CLOSE TO THE WATCH AREA SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND MONITOR LOCAL MEDIrA OR NOAA WEATHER RADIO FOR STATEMENTS AND POSSIBLE WARNINGS. IF YOU OBSERVE THREATENING WEATHER SEEK SHELTER IMMEDIATELY. GLASS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 11:10 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 35 min |
| Jun 4, 12:29 AM CDT | Severe Thunderstorm Warning | LSX | Marion, Shelby | 46 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; radar from the NEXRAD Level II archive.