Alert archive / Illinois / Tornado Warnings in 1993
Tornado Warning 30, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Aug 18, 1993, 6:28 PM CDT for Schuyler County, Illinois. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- Aug 18, 1993, 6:28 PM CDT (23:28 UTC)
- Expired
- Aug 18, 1993, 7:15 PM CDT
- In force
- 47 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
County Schuyler County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 11.5 hours before the alert went out and 382 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
- 3028 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 884 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPIA 182333 COR TORPIA ILC169-190015- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE PEORIA IL 632 PM CDT WED AUG 18 1993 THE NATIONAL WEATHER SERVICE IN PEORIA HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 715 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL ILLINOIS ...SCHUYLER COUNTY AT 625 PM CDT...A SEVERE THUNDERSTORM OVER SOUTHWESTERN MCDONOUGH COUNTY HAD PRODUCED A POSSIBLE TORNADO. THE STORM WAS MOVING TO THE SOUTHEAST AT 25 MPH AND WILL THREATEN THE TOWNS OF BIRMINGHAM...DODDSVILLE... BROOKLYN AND LITTLETON IN SCHUYLER COUNTY DURING THE NEXT 30 MINUTES. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT. BREESER /CORRECTED SPELLING/
What forecasters said that day
The local office's own words before this tornado 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, Aug 18, 1:22 PM CDT, 5 hours 6 minutes before
ILZ009-181915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 1 22 PM CDT WED AUG 18 1993 ...STRONG THUNDERSTORMS CONTINUE SOUTH AND SOUTHEAST OF SPRINGFIELD... AT 1 20 PM CDT...AN AREA OF STRONG THUNDERSTORMS WAS LACATED 50 TO 55 MILES SOUTH OF SPRINGFIELD ACROSS SOUTHERN MONTGOMERY COUNTY FROM NEAR STAUNTON AND NEAR MT. OLIVE EAST TO COFFEEN LAKE. THE STRONG STORMS WERE MOVING SOUTHEAST AROUND 20 MPH TOWARD BOND COUNTY. PEOPLE IN SOUTHERN MONTGOMERY COUNTY SHOULD MOVE INDOORS TO A SAFE BUILDING AND EXPECT FREQUENT DANGEROUS LIGHTNING...POSSIBLE HAIL... GUSTY WINDS TO 45 MPH AND HEAVY DOWNPOURS OF RAIN. SKIPPER
Special weather statement, Aug 18, 2:21 PM CDT, 4 hours 7 minutes before
ILZ009-182015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 2 17 PM CDT WED AUG 18 1993 ...STRONG THUNDERSTORMS CONTINUE OVER PORTIONS OF CENTRAL ILLINOIS... AT 2 15 PM CDT...STRONG THUNDERSTORMS WERE LOCATED 30 MILES NORTH OF ST. LOUIS AND 55 MILES SOUTH OF SPRINGFIELD ACROSS SOUTHERN MONTGOMERY COUNTY. BY 315 PM CDT...THE STORMS NORTH OF ST LOUIS SHOULD MOVE INTO EXTREME SOUTHWEST MACOUPIN COUNTY NEAR MEDORA AND BRIGHTON.$ OTHER STRONG STORMS WILL MOVE OUT OF MONTGOMERY COUNTY. PEOPLE IN THE PATH OF THESE STORMS CAN EXPECT FREQUENT DANGEROUS LIGHTNING...GUSTY WINDS TO 40 MPH AND HEAVY DOWNPOURS OF RAIN. SKIPPER
Special weather statement, Aug 18, 3:17 PM CDT, 3 hours 11 minutes before
ILZ006-182115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 317 PM CDT WED AUG 18 1993 ...THUNDERSTORMS MOVING TOWARD WESTERN ILLINOIS... AT 315 PM CDT...SHOWERS AND THUNDERSTORMS WERE OVER SOUTHEASTERN IOWA FROM 30 MILES NORTH OF BURLINGTON TO 20 MILES SOUTH OF MOLINE. THESE STORMS WERE MOVING TO THE SOUTH SOUTHEAST AT 30 MPH AND WILL MOVE INTO NORTHWESTERN HENDERSON AND WARREN COUNTIES DURING THE NEXT 30 MINUTES AND INTO KNOX COUNTY WITHIN THE NEXT 45 MINUTES. SOME OF THESE STORMS WILL PRODUCE LOCALLY HEAVY RAINFALL...GUSTY WINDS AND FREQUENT INTENSE LIGHTNING. PERSONS IN THE AFFECTED AREAS SHOULD REMAIN ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO AND TELEVISION STATIONS FOR LATER STATEMENTS. BREESER
Special weather statement, Aug 18, 3:19 PM CDT, 3 hours 9 minutes before
ILZ006-182115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 317 PM CDT WED AUG 18 1993 ...THUNDERSTORMS MOVING TOWARD WESTERN ILLINOIS... AT 315 PM CDT...SHOWERS AND THUNDERSTORMS WERE OVER SOUTHEASTERN IOWA FROM 30 MILES NORTH OF BURLINGTON TO 20 MILES SOUTH OF MOLINE. THESE STORMS WERE MOVING TO THE SOUTH SOUTHEAST AT 30 MPH AND WILL MOVE INTO NORTHWESTERN HENDERSON AND WARREN COUNTIES DURING THE NEXT 30 MINUTES AND INTO KNOX COUNTY WITHIN THE NEXT 45 MINUTES. SOME OF THESE STORMS WILL PRODUCE LOCALLY HEAVY RAINFALL...GUSTY WINDS AND FREQUENT INTENSE LIGHTNING. PERSONS IN THE AFFECTED AREAS SHOULD REMAIN ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND STAY TUNED T"O NOAA WEATHER RADIO OR LOCAL RADIO AND TELEVISION STATIONS FOR LATER STATEMENTS. BREESER
Special weather statement, Aug 18, 6:16 PM CDT, 12 minutes before
ILZ009-182015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 6 15 PM CDT WED AUG 18 1993 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1100 PM CDT FOR CENTRAL ILLINOIS... AT 6 10 PM CDT...RADAR INDICATED STRONG THUNDERSTORMS NORTHWEST OF A LINE FROM 25 MILES WEST OF PEORIA...NEAR FARMINGTON TO 10 MILES NORTHWEST OF QUINCY...NEAR URSA. THE STORMS WERE MOVING SOUTHEAST AT ABOUT 25 MPH. PEOPLE IN THE PATH OF THESE STORMSl CAN EXPECT FREQUENT DANGEROUS LIGHTNING...GUSTY WINDS AND HEAVY RAIN. PEARSON
Special weather statement, Aug 18, 6:26 PM CDT, 2 minutes before
ILZ009-190015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 6 15 PM CDT WED AUG 18 1993 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1100 PM CDT FOR CENTRAL ILLINOIS... AT 6 10 PM CDT...RADAR INDICATED STRONG THUNDERSTORMS NORTHWEST OF A LINE FROM 25 MILES WEST OF PEORIA...NEAR FARMINGTON TO 10 MILES NORTHWEST OF QUINCY...NEAR URSA. THE STORMS WERE MOVING SOUTHEAST AT ABOUT 25 MPH. PEOPLE IN THE PATH OF THESE STORMS CAN EXPECT FREQUENT DANGEROUS LIGHTNING...GUSTY WINDS AND HEAVY RAIN. PEARSON .CORRECTED FOR EXPIRATION TIME...
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 4:03 PM CDT | Severe Thunderstorm Warning | ILX | Henderson | 18 min |
| Aug 18, 4:03 PM CDT | Severe Thunderstorm Warning | ILX | Warren | 57 min |
| Aug 18, 5:41 PM CDT | Severe Thunderstorm Warning | ILX | Hancock, McDonough | 64 min |
| Aug 18, 6:20 PM CDT | Tornado Warning | ILX | McDonough | 25 min |
Nearby
Tornado Warnings in Illinois, 1993Every tornado warning in 1993Tornadoes 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.