Alert archive / Illinois / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 76, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 28, 1993, 7:33 PM CDT for Randolph County, Illinois; Sainte Genevieve County, Missouri. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- Jun 28, 1993, 7:33 PM CDT (00:33 UTC)
- Expired
- Jun 28, 1993, 8:15 PM CDT
- In force
- 42 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 0.6 hours before the alert went out and 153 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
- 2209 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1203 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 5.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KSTL 290034 SVRLSX ILC157-MOC186-290115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 733 PM CDT MON JUN 28 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 815 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ILLINOIS ...RANDOLPH COUNTY IN EAST CENTRAL MISSOURI ...EASTERN STE GENEVIEVE COUNTY AT 730 PM...A SEVERE THUNDERSTORM WAS MOVING INTO NORTHWEST RANDOLPH AND EASTERN STE GENEVIEVE...ABOUT 35 MILES SOUTH OF ST LOUIS. THIS STORM WAS MOVING SOUTHEAST AT 25 MILES AN HOUR AND WILL LIKELY PRODUCE DAMAGING WIND GUSTS. HAIL AND FREQUENT LIGHTNING ARE ALSO POSSIBLE. THIS STORM WILL AFFECT THE PRAIRIE DU ROCHER...STE GENEVIEVE AND ROOTS AREA BETWEEN 740 AND 815 PM. 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. SHEA/FERRY
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, 2:15 PM CDT, 5 hours 18 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, 5 hours 15 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, 4:29 PM CDT, 3 hours 4 minutes before
MOZ006-009-010-011-013-014-282230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 430 PM CDT MON JUN 28 1993 ...SEVERE THUNDERSTORM WATCH FOR GASCONADE COUNTY UNTIL 900 PM... ...A VERY STRONG THUNDERSTORM EAST OF JEFFERSON CITY... AT 425 PM A VERY STRONG THUNDERSTORM WAS 10 MILES EAST OF JEFFERSON CITY NEAR LOOSE CREEK MOVING TO THE EAST AT 25 TO 30 MILES AN HOUR. THIS THUNDERSTORM WILL CONTAIN BRIEF HEAVY RAIN AND DEADLY LIGHTNING ALONG WITH THE POSSIBILITY OF STRONG GUSTY WINDS AND SMALL HAIL. THE THUNDERSTORM WILL MOVE THROUGH OR NEAR THE COMMUNITIES OF LINN AND FREEDOM BETWEEN 430 AND 500 PM THIS AFTERNOON. IF YOU ARE IN THE PATH OF THESE THUNDERSTORMS...STAY INSIDE AWAY FROM WINDOWS AND DONT USE ELCTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR IF NECESSARY WARNINGS. LA GREE
Special weather statement, Jun 28, 4:30 PM CDT, 3 hours 3 minutes before
MOZ006-009-010-011-013-014-282230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 430 PM CDT MON JUN 28 1993 ...SEVERE THUNDERSTORM WATCH FOR GASCONADE COUNTY UNTIL 900 PM... ...A VERY STRONG THUNDERSTORM EAST OF JEFFERSON CITY... AT 425 PM A VERY STRONG THUNDERSTORM WAS 10 MILES EAST OF JEFFERSON CITY NEAR LOOSE CREEK MOVING TO THE EAST AT 25 TO 30 MILES AN HOUR. THIS THUNDERSTORM WILL CONTAIN BRIEF HEAVY RAIN AND DEADLY LIGHTNING ALONG WITH THE POSSIBILITY OF STRONG GUSTY WINDS AND SMALL HAIL. THE THUNDERSTORM WILL MOVE THROUGH OR NEAR THE COMMUNITIES OF LINN AND FREEDOM BETWEEN 430 AND 500 PM THIS AFTERNOON. IF YOU ARE IN THE PATH OF THESE THUNDERSTORMS...STAY INSIDE AWAY FROM WINDOWS AND DONT USE ELCTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR IF NECESSARY WARNINGS. LA GREE
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 8:10 PM CDT | Severe Thunderstorm Warning | LSX | Perry | 50 min |
| Jun 28, 10:25 PM CDT | Flash Flood Warning | LSX | Dent, Phelps | 3 hr |
| Jun 29, 4:47 PM CDT | Flash Flood Warning | LSX | Sainte Genevieve, Saint Francois | 76 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1993Severe 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.