Alert archive / Illinois / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 50, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 9, 1993, 1:03 AM CDT for Clinton County, Madison County, Saint Clair County, Illinois. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- Jun 9, 1993, 1:03 AM CDT (06:03 UTC)
- Expired
- Jun 9, 1993, 1:45 AM CDT
- In force
- 42 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Clinton County, IL, Madison County, IL, Saint Clair County, IL
The radar
The St Louis radar (KLSX), 81 km from the middle of the area, began a volume at 06:05 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
Nashville Metro, TN (KBNA), launched 00:00Z, 6.1 hours before the alert went out and 394 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 TTAA00 KSTL 090605 SVRSTL ILC027-119-163-090645- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 103 AM CDT WED JUN 9 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 145 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL ILLINOIS ...NOORTHWEST CLINTON COUNTY IN SOUTHWEST ILLINOIS ...SOUTHEASTERN MADISON COUNTY...NORTHEASTERN ST CLAIR COUNTY AT 100 AM CDT...A SEVERE THUNDERSTORM WAS OVER EASTERN ST CLAIR COUNTY ILLINOIS JUST NORTHEAST OF BELLEVILLE. THE STORM WAS MOVING NORTHEAST AT 40 MPH. THE CITIES OF LEBANON AND HIGHLAND ARE IN THE PATH OF THIS STORM. HIGH WINDS FROM THIS STORM KNOCKED DOWN TREES IN THE SWANSEA AREA JUST BEFORE 1 AM. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IRN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. DLF/RP
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, 9:12 PM CDT, 3 hours 51 minutes before
MOZ006-009-010-011-013-014-090300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 910 PM CDT TUE JUN 8 1993 ...SCATTERED STRONG THUNDERSTORMS WERE MOVING INTO THE SOUTHWEST CORNER OF CENTRAL MISSOURI... AT 910 PM...SCATTERED SHOWERS AND ISOLATED VERY STRONG THUNDERSTORMS WERE MOVING ACROSS SOUTHWEST MISSOURI. THE STRONGEST STORM WAS LOCATED NEAR POMME DE TERRE LAKE...45 MILES NORTH OF SPRINGFIELD. THE STORM WAS MOVING NORTHEAST AT 30 MPH AND WILL REACH THE WEST SIDE OF THE LAKE OF THE OZARKS AROUND 10 PM. STRONG GUSTY WINDS AND DANGEROUS LIGHTNING HAVE BEEN ASSOCIATED WITH THIS STORM. RESIDENTS AND RECREATIONAL INTERESTS NEAR TRUMAN RESERVOIR SHOULD BE ON THE ALERT FLOR CHANGING WEATHER CONDITIONS AND STAY TUNED TO WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS. PERLOW
Special weather statement, Jun 8, 11:30 PM CDT, 1 hour 33 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 8, 11:43 PM CDT, 1 hour 20 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, 16 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, 14 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, 4 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. 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
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 1:37 AM CDT | Severe Thunderstorm Warning | LSX | Fayette | 53 min |
| Jun 9, 2:00 AM CDT | Severe Thunderstorm Warning | LSX | Marion | 45 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; radar from the NEXRAD Level II archive.