Alert archive / Illinois / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 52, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 9, 1993, 2:00 AM CDT for Marion County, Illinois. It was in force for 45 min.
The area
The counties it named.
The facts
- Issued
- Jun 9, 1993, 2:00 AM CDT (07:00 UTC)
- Expired
- Jun 9, 1993, 2:45 AM CDT
- In force
- 45 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Marion County, IL
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 7.0 hours before the alert went out and 347 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
- 1868 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1644 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 4.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KSTL 090702 SVRLSX ILC121-090745- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 200 AM CDT WED JUN 9 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 245 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL ILLINOIS ...NORTHERN MARION COUNTY AT 200 AM CDT...NWS DOPPLER RADAR CATED A SEVERE THUNDERSTORM OVER NORTHWEST MARION COUNTY ILLINOIS...35 MILES NORTHWEST OF MT VERNON OR JUST NORTHEAST OF BOULDER. THE STORM WAS MOVING NORTHEAST AT 45 MPH. THE STORM WILL BE MOVING THOUGH THE TOWNS OF VERNON..PATOKA AND KINMUNDY. THIS STORM HAS HAD ARODUCING DOWNED TREES...POWERLINES AND SOME STRUCTURAL DAMAGE. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLYINSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS. &
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 8, 11:43 PM CDT, 2 hours 17 minutes before
MOZ011-012-017-090500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1130 PM CDT TUE JUN 8 1993 ...STRONG THUNDERSTORMS WERE LOCATED ACROSS THE EASTERN OZARKS... AT 1130 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR IN ST LOUIS SHOWED STRONG THUNDERSTORMS THAT EXTENDED FROM SOUTHEAST FRANKLIN COUNTY INTO CENTRAL CRAWFORD COUNTY...FROM NEAR ST CLAIR TO NEAR STEELVILLE. ST CLAIR IS ABOUT 45 MILES SOUTHWEST OF ST LOUIS. THE STORMS WERE MOVING TO THE NORTHEAST AROUND 40 MILES AN HOUR. THESE STORMS WILL BE MOVING INTO SOUTHWEST ST LOUIS AND NORTHWEST JEFFERSON COUNTY BETWEEN 1130 PM AND 1230 AM. THE STORMS WILL BE ACCOMPANIED BY VERY HEAVY RAIN. GUSTY WINDS AND SMALL HAIL ARE POSSIBLE WITH THE STRONG STORMS. PERSONS DRIVING ARE URGED TO SLOW DOWN IN THE HEAVY RAIN AS PONDING ON ROADWAYS IS EXPECTED.
Special weather statement, Jun 9, 12:47 AM CDT, 1 hour 13 minutes before
MOZ011-012-017-018-090645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1247 AM CDT WED JUN 9 1993 AT 1230 AM CDT...NWS DOPPLER RADAR AT ST. LOUIS SHOWED AN AREA OF SHOWERS AND STRONG THUNDERSTORMS FROM 5 MILES SOUTHEAST OF DOWNTOWN ST. UTHROUGH MOUNT VERNON ILLINOIS. THE STRONGEST THUNDERSTORM WAS LOCATED 8 MILES SOUTHEAST OF DOWNTOWN ST. LOUIS...OR WEST JUST OF BELLEVILLE ILLINOIS. GUSTY WINDS OF 35 TO 45 MILES AN HOUR...HEAVY RAINFALL AND INTENSE LIGHTNING WILL ACCOMPANY THIS STORM. THIS STORM WILL MOVE THROUGH THE CITY OF BELLEVILLE BETWEEN 1250 AND 115 AM THIS MORNING. OTHER STRONG THUNDERSTORMS EXTENDED FROM 35 MILES SOUTH OF ROLLA TO 55 MILES SOUTHWEST OF ROLLA. ALL OF THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 40 MILES AN HOUR. PRZYBYLINSKI
Special weather statement, Jun 9, 12:49 AM CDT, 1 hour 11 minutes before
MOZ011-012-017-018-090645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1247 AM CDT WED JUN 9 1993 AT 1230 AM CDT...NWS DOPPLER RADAR AT ST. LOUIS SHOWED AN AREA OF SHOWERS AND STRONG THUNDERSTORMS FROM 5 MILES SOUTHEAST OF DOWNTOWN ST. UTHROUGH MOUNT VERNON ILLINOIS. THE STRONGEST THUNDERSTORM WAS LOCATED 8 MILES SOUTHEAST OF DOWNTOWN ST. LOUIS...OR WEST JUST OF BELLEVILLE ILLINOIS. GUSTY WINDS OF 35 TO 45 MILES AN HOUR...HEAVY RAINFALL AND INTENSE LIGHTNING WILL ACCOMPANY THIS STORM. THIS STORM WILL MOVE THROUGH THE CITY OF BELLEVILLE BETWEEN 1250 AND 115 AM THIS MORNING. OTHER STRONG THUNDERSTORMS EXTENDED FROM 35 MILES SOUTH OF ROLLA TO 55 MILES SOUTHWEST$ OF ROLLA. ALL OF THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 40 MILES AN HOUR. PRZYBYLINSKI
Special weather statement, Jun 9, 12:59 AM CDT, 1 hour 1 minute before
MOZ011-012-017-018-090645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1247 AM CDT WED JUN 9 1993 AT 1230 AM CDT...NWS DOPPLER RADAR AT ST. LOUIS SHOWED AN AREA OF SHOWERS AND STRONG THUNDERSTORMS FROM 5 MILES SOUTHEAST OF DOWNTOWN ST. LOUIS THROUGH MOUNT VERNON ILLINOIS. THE STRONGEST THUNDERSTORM WAS LOCATED 8 MILES SOUTHEAST OF DOWNTOWN ST. LOUIS...OR WEST JUST OF BELLEVILLE ILLINOIS. GUSTY WINDS OF 35 TO 45 MILES AN HOUR...HEAVY RAINFALL AND INTENSE LIGHTNING WILL ACCOMPANY THIS STORM. THIS STORM WILL MOVE THROUGH THE CITY OF BELLEVILLE BETWEEN 1250 AND 115 AM THIS MORNING. OTHER STRONG THUNDERSTORMS EXTENDED FROM 35 MILES SOUTH OF ROLLA TO 55 MILES SOUTHWFEST OF ROLLA. ALL OF THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 40 MILES AN HOUR. PRZYBYLINSKI
Special weather statement, Jun 9, 1:52 AM CDT, 8 minutes before
ILZ011-090800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 152 AM CDT WED JUN 9 1993 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEAST MARION...NORTHEAST ST CLAIR AND CLINTON COUNTIES IN SOUTHWEST ILLINOIS HAS EXPIRED... AT 150 AM...NWS DOPPLER RADAR INDICATED THAT THE SEVERE THUNDERSTORM HAD MOVED INTO FAYETTE COUNTY ABOUT 5 MILES SOUTH OF VANDALIA. HOWEVER ANOTHER STRONG STORM WAS OVER CLINTON COUNTY NEAR BOULDER...50 MILES EAST OF ST LOUIS. THIS STORM WAS MOVING NORTHEAST AT 45 MPH. PEOPLE IN NORTHEAST CLINTON COUNTY CAN EXPECT STRONG WIND GUSTS AND BRIEF HEAVY RAINS WITH THIS STORM AS IT MOVES THROUGH BY 215 AM. FERRY
Special weather statement, Jun 9, 1:53 AM CDT, 7 minutes before
ILZ011-090800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 152 AM CDT WED JUN 9 1993 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEAST MARION...NORTHEAST ST CLAIR AND CLINTON COUNTIES IN SOUTHWEST ILLINOIS HAS EXPIRED... AT 150 AM...NWS DOPPLER RADAR INDICATED THAT THE SEVERE THUNDERSTORM HAD MOVED INTO FAYETTE COUNTY ABOUT 5 MILES SOUTH OF VANDALIA. HOWEVER ANOTHER STRONG STORM WAS OVER CLINTON COUNTY NEAR BOULDER...50 MILES EAST OF ST LOUIS. THIS STORM WAS MOVING NORTHEAST AT 45 MPH. PEOPLE IN NORTHEAST CLINTON COUNTY CAN EXPECT STRONG WIND GUSTS AND BRIEF HEAVY RAINS WITH THIS STORM AS IT MOVES THROUGH BY 215 AM. FERRY
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 1:03 AM CDT | Severe Thunderstorm Warning | LSX | Clinton, Madison, Saint Clair | 42 min |
| Jun 9, 1:37 AM CDT | Severe Thunderstorm Warning | LSX | Fayette | 53 min |
| Jun 9, 2:08 AM CDT | Severe Thunderstorm Warning | LSX | Effingham | 52 min |
Nearby
Severe 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.