Alert archive / Illinois / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 134, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jul 18, 1993, 6:32 PM CDT for Shelby County, Illinois. It was in force for 21 min.
The area
The counties it named.
The facts
- Issued
- Jul 18, 1993, 6:32 PM CDT (23:32 UTC)
- Expired
- Jul 18, 1993, 6:53 PM CDT
- In force
- 21 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
County Shelby County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 11.5 hours before the alert went out and 258 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
- 3775 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 971 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- -4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.5
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 18, 3:47 PM CDT, 2 hours 45 minutes before
ILZ009-10-182115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 3 45 PM CDT SUN JUL 18 1993 ...SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED TO MOVE OVER CENTRAL AND EAST CENTRAL ILLINOIS... AT 3 40 PM CDT...RADAR INDICATED A LINE OF THUNDERSTORMS THAT EXTENDED FROM 20 MILES NORTHWEST OF SPRINGFIELD...5 MILES WEST OF PETERSBURG TO 35 MILES NORTHWEST OF ST LOUIS MISSOURI. ALSO...SCATTERED SHOWERS HAD REDEVELOPED 20 MILES SOUTH OF CHAMPAIGN. THESE SHOWERS AND THUNDERSTORMS WERE MOVING EAST AT 20 MPH. VERY HEAVY RAINFALL...DANGEROUS LIGHTNING AND GUSTY WINDS MAY ACCOMPANY THIS STORM. WHEN THUNDERSTORMS ARE OCCURRING...MOVE INSIDE A STRONG BUILDING. DO NOT STAND NEAR WINDOWS. DO NOT USE TELEPHONES UNLESS IN AN EMERGENCY. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES. PEARSON
Special weather statement, Jul 18, 4:07 PM CDT, 2 hours 25 minutes before
ILZ005>007-182200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 410 PM CDT SUN JUL 18 1993 ...STRONG THUNDERSTORMS MOVING THROUGH CENTRAL ILLINOIS... THUNDERSTORMS...WITH PERIODS OF HEAVY RAIN...BRIEF GUSTY WINDS... DEADLY LIGHTNING AND POSSIBLY SOME HAIL...WERE SCATTERED THROUGHOUT MUCH OF WESTERN AND CENTRAL ILLINOIS. A BATCH OF THESE STRONG THUNDERSTORMS WILL BE MOVING THROUGH THE PEORIA AREA...WHERE THE HEART OF ILLINOIS FAIR IS TAKING PLACE...BETWEEN NOW AND 500 PM. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PARTS OF CENTRAL ILLINOIS UNTIL 700 PM. HEAVY RAIN IS EXPECTED WITH THE THUNDERSTORMS THE NEXT 12 HOURS SO A FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF WESTERN AND CENTRAL ILLINOIS THIS EVENING AND TONIGHT. STAY TUNED TO NOAA WEATHER RADIO...OR LOCAL RADIO AND TV...FOR LATER STATEMENTS AND POSSIBLE WARNINGS. MILLER
Special weather statement, Jul 18, 4:10 PM CDT, 2 hours 22 minutes before
ILZ005>007-182200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 410 PM CDT SUN JUL 18 1993 ...STRONG THUNDERSTORMS MOVING THROUGH CENTRAL ILLINOIS... THUNDERSTORMS...WITH PERIODS OF HEAVY RAIN...BRIEF GUSTY WINDS... DEADLY LIGHTNING AND POSSIBLY SOME HAIL...WERE SCATTERED THROUGHOUT MUCH OF WESTERN AND CENTRAL ILLINOIS. A BATCH OF THESE STRONG THUNDERSTORMS WILL BE MOVING THROUGH THE PEORIA AREA...WHERE THE HEART OF ILLINOIS FAIR IS TAKING PLACE...BETWEEN NOW AND 500 PM. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PARTS OF CENTRAL ILLINOIS
Special weather statement, Jul 18, 5:15 PM CDT, 1 hour 17 minutes before
ILZ005>007-182300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 515 PM CDT SUN JUL 18 1993 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR MOST OF WEST CENTRAL ILLINOIS... ...NEW SEVERE THUNDERSTORM WATCH ISSUED FOR MCLEAN COUNTY... AT 510 PM CDT...THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR BUREAU...PUTNAM...KNOX...STARK...MARSHALL...PEORIA AND WOODFORD COUNTIES HAS BEEN CANCELLED. A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MCLEAN COUNTY AND WILL REMAIN IN EFFECT UNTIL 10 PM CDT. LATE THIS AFTERNOON...SHOWERS AND THUNDERSTORMS CONTINUE TO DEVELOP ACROSS THE REGION. OVER WESTERN ILLINOIS...RAINFALL WAS OCCURRING ACROSS HANCOCK ...MCDONOUGH AND SCHUYLER COUNTIES WITH THE HEAVIEST PRECIPITAION NEAR PLYMOUTH AND AUGUSTA IN EASTERN HANCOCK COUNTY. ALSO...THE BACK EDGE OF A LINE OF SHOWERS AND THUNDERSTORMS WAS ALONG THE ILLINOIS RIVER WITH THE HEAVIEST RAINFALL OVER CENTRAL WOODFORD COUNTY. MOVEMENT CONTINUED TO BE TO THE EAST NORTHEAST AT 35 MPH. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF WEST CENTRAL ILLINOIS. PERSONS SHOULD REMAIN ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER APPROCHES. DO NOT ATTEMPT TO CROSS WATER COVERED ROADWAYS...STAY CLEAR OF SWOLLEN RIVERS AND STREAMS. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO AND TELEVISION FOR LATER STATEMENTS OR POSSBLE WARNINGS. BREESER
Special weather statement, Jul 18, 5:28 PM CDT, 1 hour 4 minutes before
ILZ005>007-182300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 515 PM CDT SUN JUL 18 1993 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR MOST OF WEST CENTRAL ILLINOIS... ...NEW SEVERE THUNDERSTORM WATCH ISSUED FOR MCLEAN COUNTY... AT 510 PM CDT...THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR BUREAU...PUTNAM...KNOX...STARK...MARSHALL...PEORIA AND WOODFORD COUNTIES HAS BEEN CANCELLED. A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MCLEAN COUNTY AND WILL REMAIN IN EFFECT UNTIL 10 PM CDT. LATE THIS AFTERNOON...SHOWERS AND THUNDERSTORMS CONTINUE TO DEVELOP ACROSS THE REGION. OVER WESTERN ILLINOIS...RAINFALL WAS OCCURRING ACROSS HANCOCK ...MCDONOUGH AND SCHUYLER COUNTIES WITH THE HEAVIEST PRECIPITAION NEAR PLYMOUTH AND AUGUSTA IN EASTERN HANCOCK COUNTY. ALSO...THE BACK EDGE OF A LINE OF SHOWERS AND THUNDERSTORMS WAS ALONG THE ILLINOIS RIVER WITH THE HEAVIEST RAINFALL OVER CENTRAL WOODFORD COUNTY. MOVEMENT CONTINUED TO BE TO THE EAST NORTHEAST AT 35 MPH. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF WEST CENTRAL ILLINOIS. PERSONS SHOULD REMAIN ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER APPROCHES. DO NOT ATTEMPT TO CROSS WATER COVERED ROADWAYS...STAY CLEAR OF SWOLLEN RIVERS AND STREAMS. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO AND TELEVISION FOR LATER STATEMENTS OR POSSBLE WARNINGS. BREESER
Special weather statement, Jul 18, 6:04 PM CDT, 28 minutes before
ILZ009-10-182345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 600 PM CDT SUN JUL 18 1993 ...SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED TO MOVE OVER CENTRAL AND EAST CENTRAL ILLINOIS... AT 5 57 PM CDT...RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS ACROSS MUCH OF CENTRAL ILLINOIS. THE STRONGEST STORMS WERE LOCATED FROM 10 MILES SOUTH OF BLOOMINGTON TO 30 MILES NORTHEAST OF SPRING/ FIELD. OTHER STRONG STORMS WERE IN WESTERN MACOUPIN COUNTY BETWEEN SPRINGFIELD AND ST. LOUIS AND IN MOULTRIE AND SHELBY COUNTIES BETWEEN SULIVAN AND STEWARD. THE SHOWERS AND STORMS WERE MOVING NORTHEAST AT 35 MPH. VERY HEAVY RAINFALL...DANGEROUS LIGHTNING AND GUSTY WINDS MAY ACCOMPANY THE STRONG STORMS. WHEN THUNDERSTORMS ARE OCCURRING...MOVE INSIDE A STRONG BUILDING. DO NOT STAND NEAR WINDOWS. DO NOT USE TELEPHONES UNLESS IN AN EMERGENCY. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM CDT FOR MUCH OF CENTRAL AND EAST CENTRAL ILLINOIS. SKIPPER
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 10:34 PM CDT | Flash Flood Warning | ILX | Carroll | 3 hr |
| Jul 18, 3:13 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 62 min |
| Jul 18, 4:39 PM CDT | Severe Thunderstorm Warning | ILX | Menard | 56 min |
| Jul 18, 4:52 PM CDT | Severe Thunderstorm Warning | ILX | Edgar | 38 min |
| Jul 18, 5:20 PM CDT | Flash Flood Warning | ILX | DeKalb | 2 hr |
| Jul 18, 6:32 PM CDT | Severe Thunderstorm Warning | ILX | Coles | 28 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.