Alert archive / Illinois / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 68, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 28, 1993, 4:20 PM CDT for Jefferson County, Marion County, Illinois. It was in force for 40 min.
The area
The counties it named.
The facts
- Issued
- Jun 28, 1993, 4:20 PM CDT (21:20 UTC)
- Expired
- Jun 28, 1993, 5:00 PM CDT
- In force
- 40 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Jefferson County, IL, Marion County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 9.3 hours before the alert went out and 157 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 WUUS1 KSTL 282122 SVRLSX ILC081-121-282200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 420 PM CDT MON JUN 28 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 500 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL ILLINOIS ...NORTHERN JEFFERSON COUNTY...SOUTHERN MARION COUNTY AT 418 PM...WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM ALONG THE THE MARION-CLINTON COUNTY LINE NEAR CENTRALIA...WHICH IS ABOUT 20 MILES NORTHWEST OF MOUNT VERNON. GOLF-BALL SIZED HAIL WAS REPORTED AT CENTRALIA AT 415 PM. THE STORM WAS MOVING EAST AT 20 MILES AN HOUR...AND WILL BE AFFECTING THE CITIES OF CARTTER AND KELL. 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. &
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, 12:02 PM CDT, 4 hours 18 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, 4 hours 18 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, 2 hours 5 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, 2 hours 2 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, 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, 3:10 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 35 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, 4:40 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 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.