Alert archive / Missouri / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 103, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jul 7, 1993, 2:16 PM CDT for Jefferson County, Missouri. It was in force for 44 min.
The area
The counties it named.
The facts
- Issued
- Jul 7, 1993, 2:16 PM CDT (19:16 UTC)
- Expired
- Jul 7, 1993, 3:00 PM CDT
- In force
- 44 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Jefferson County, MO
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 7.3 hours before the alert went out and 209 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
- 1291 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 701 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Jul 7, 12:25 PM CDT, 1 hour 51 minutes before
MOZ007-011-012-017-071830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1225 PM CDT WED JUL 7 1993 ...THUNDERSTORMS WERE MOVING BACK INTO THE ST. LOUIS METROPOLITAN... AT 1220 PM CDT...ONE LINE OF THUNDERSTORMS EXTENDED FROM NEAR QUINCY... ILLINOIS TO 20 MILES NORTHWEST OF ST. LOUIS. ANOTHER LINE OF THUNDERSTORMS EXTENDED FROM NEAR ROLLA TO 30 MILES WEST OF ST. LOUIS. THE STORMS WERE MOVING TO THE NORTHEAST AT 35 MPH. LOCALLY HEAVY RAIN... SOME SMALL HAIL...AND GUSTY WINDS CAN BE EXPECTED WITH THIS ACTIVITY. ALSO...A FLASH FLOOD WATCH IS IN EFFECT FOR NORTHEAST AND PORTIONS OF CENTRAL MISSOURI FOR THIS AFTERNOON. THE ST. LOUIS METROPOLITAN AREA IS NOT INCLUDED IN THIS FLASH FLOOD WATCH. IF STRONG STORMS MOVE INTO YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. FURTHERMORE...WITH THE LOCALLY HEAVY RAINFALL POSSIBLY AND WATERLOGGED GROUND...IF YOU LIVE IN FLOOD PRONE LOW LYING AREAS...TAKE SHELTER TO HIGHER GROUND. METZE WWUS40KMKC ,;
Special weather statement, Jul 7, 12:27 PM CDT, 1 hour 49 minutes before
MOZ007-011-012-017-071830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1225 PM CDT WED JUL 7 1993 ...THUNDERSTORMS WERE MOVING BACK INTO THE ST. LOUIS METROPOLITAN... AT 1220 PM CDT...ONE LINE OF THUNDERSTORMS EXTENDED FROM NEAR QUINCY... ILLINOIS TO 20 MILES NORTHWEST OF ST. LOUIS. ANOTHER LINE OF THUNDERSTORMS EXTENDED FROM NEAR ROLLA TO 30 MILES WEST OF ST. LOUIS. THE STORMS WERE MOVING TO THE NORTHEAST AT 35 MPH. LOCALLY HEAVY RAIN... SOME SMALL HAIL...AND GUSTY WINDS CAN BE EXPECTED WITH THIS ACTIVITY. ALSO...A FLASH FLOOD WATCH IS IN EFFECT FOR NORTHEAST AND PORTIONS OF CENTRAL MISSOURI FOR THIS AFTERNOON. THE ST. LOUIS METROPOLITAN AREA IS NOT INCLUDED IN THIS FLASH FLOOD WATCH. IF STRONG STORMS MOVE INTO YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. FURTHERMORE...WITH THE LOCALLY HEAVY RAINFALL POSSIBLY AND WATERLOGGED GROUND...IF YOU LIVE IN FLOOD PRONE LOW LYING AREAS...TAKE SHELTER TO HIGHER GROUkND. METZE
Special weather statement, Jul 7, 1:10 PM CDT, 1 hour 6 minutes before
MOZALL-072000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 110 PM CDT WED JUL 7 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE MUCH OF THE EASTERN HALF OF MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR MUCH OF THE EASTERN HALF OF MISSOURI AND PARTS OF WESTERN ILLINOIS. THIS WATCH INCLUDES THE CITIES OF COLUMBIA...ROLLA...JEFFERSON CITY... HANNIBAL...QUINCY...AND THE ST LOUIS METROPOLITAN AREA. AT 108 PM...NWS DOPPLER RADAR SHOWED THUNDERSTORMS RAPIDLY DEVELOPING ACROSS PORTIONS OF CENTRAL AND EAST CENTRAL MISSOURI. THESE STORMS WERE MOVING TO THE NORTHEAST AT 35 MPH. AS A REMINDER...A SEVERE THUNDERSTORM WATCH MEANS CONDTIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PEOPLE ARE REMINDED SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCED WARNING. PEOPLE LIVING ACROSS THE EASTERN HALF OF MISSOURI SHOULD REMAIN ALERT AND STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA SOURCES FOR FURTHER STATEMENTS AND OR WARNINGS. GLASS
Special weather statement, Jul 7, 1:12 PM CDT, 1 hour 4 minutes before
MOZALL-072000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 110 PM CDT WED JUL 7 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE MUCH OF THE EASTERN HALF OF MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR MUCH OF THE EASTERN HALF OF MISSOURI AND PARTS OF WESTERN ILLINOIS. THIS WATCH INCLUDES THE CITIES OF COLUMBIA...ROLLA...JEFFERSON CITY... HANNIBAL...QUINCY...AND THE ST LOUIS METROPOLITAN AREA. AT 108 PM...NWS DOPPLER RADAR SHOWED THUNDERSTORMS RAPIDLY DEVELOPING ACROSS PORTIONS OF CENTRAL AND EAST CENTRAL MISSOURI. THESE STORMS WERE MOVING TO THE NORTHEAST AT 35 MPH. AS A REMINDER...A SEVERE THUNDERSTORM WATCH MEANS CONDTIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PEOPLE ARE REMINDED SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCED WARNING. PEOPLE LIVING ACROSS THE EASTERN HALF OF MISSOURI SHOULD REMAIN ALERT AND STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA SOURCES FOR FURTHER STATEMENTS AND OR WARNINGS. GLASS
Special weather statement, Jul 7, 1:15 PM CDT, 1 hour 1 minute before
MOZ006-009-010-011-013-014-071930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 115 PM CDT WED JUL 7 1993 ...A SEVERE THUNDERSTROM WATCH COVERS MOST OF CENTRAL MISSOURI UNTIL 7PM... ...A FLASH FLOOD WATCH IS IN EFFECT THIS AFTERNOON... AT 115 PM...STRONG THUNDERSTORMS PRODUCING VERY HEAVY RAIN WERE OVER EAST AND SOUTHERN PARTS OF CENTRAL MISSOURI AND MOVING NORTHEAST AT 35 MPH. THERE HAVE BEEN NO OTHER REPORTS OF SEVERE WEATHER FROM THESE STORMS SINCE SHORTLY PAST NOON. MOST OF THE STORMS HAVE DIMINISHED AT THIS TIME BUT SEVERE WEATHER IS STILL A POSSIBILITY AND FLASH FLOODING IS ALSO POSSIBLE. STAY TUNED TO WEATHER RADIO OR COMMERCIAL RADIO AND TELEVISION FOR FURTHER UPDATES OR POSSIBLE WARNINGS. LARM
Special weather statement, Jul 7, 1:23 PM CDT, 53 minutes before
MOZ006-009-010-011-013-014-071930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 115 PM CDT WED JUL 7 1993 ...A SEVERE THUNDERSTROM WATCH COVERS MOST OF CENTRAL MISSOURI UNTIL 7PM... ...A FLASH FLOOD WATCH IS IN EFFECT THIS AFTERNOON... AT 115 PM...STRONG THUNDERSTORMS PRODUCING VERY HEAVY RAIN WERE OVER EAST AND SOUTHERN PARTS OF CENTRAL MISSOURI AND MOVING NORTHEAST AT 35 MPH. THERE HAVE BEEN NO OTHER REPORTS OF SEVERE WEATHER FROM THESE STORMS SINCE SHORTLY PAST NOON. MOST OF THE STORMS HAVE DIMINISHED AT THIS TIME BUT SEVERE WEATHER IS STILL A POSSIBILITY AND FLASH FLOODING IS ALSO POSSIBLE. STAY TUNED TO WEATHER RADIO OR COMMERCIAL RADIO AND TELEVISION FOR FURTHER UPDATES OR POSSIBLE WARNINGS. LARM
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 10:37 PM CDT | Flash Flood Warning | LSX | Franklin | 3 hr |
| Jul 7, 12:36 AM CDT | Flash Flood Warning | LSX | Crawford | 4 hr |
| Jul 7, 9:19 AM CDT | Flash Flood Warning | LSX | Lincoln | 109 min |
| Jul 7, 1:34 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 41 min |
| Jul 7, 2:03 PM CDT | Flash Flood Warning | LSX | Saint Charles | 5 hr |
| Jul 7, 3:21 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 54 min |
| Jul 7, 3:40 PM CDT | Severe Thunderstorm Warning | LSX | Clinton | 50 min |
| Jul 7, 4:22 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 53 min |
| Jul 7, 4:26 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 49 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.