Alert archive / Illinois / Tornado Warnings in 1993
Tornado Warning 20, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Jul 11, 1993, 6:47 PM CDT for Hancock County, Illinois. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Jul 11, 1993, 6:47 PM CDT (23:47 UTC)
- Expired
- Jul 11, 1993, 7:45 PM CDT
- In force
- 58 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
County Hancock County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 11.8 hours before the alert went out and 428 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
- 1481 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 811 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 38 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 112349 TORPIA ILC067-120045- BULLETIN - EBS ACTIVATION REQUESTED TORNADO AND FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PEORIA IL 647 PM CDT SUN JUL 11 1993 THE NATIONAL WEATHER SERVICE IN PEORIA HAS ISSUED A TORNADO AND FLASH FLOOD WARNING EFFECTIVE UNTIL 745 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL ILLINOIS ...HANCOCK COUNTY AT 645 PM CDT... A TORNADO WAS REPORTED BY THE IOWA STATE POLICE BETWEEN DONNELLSON AND FORT MADISON IOWA...20 MILES SOUTH SOUTHWEST OF BURLINGTON IOWA. THIS STORM WAS MOVING TO THE EAST SOUTHEAST AROUND 25 MPH. TOWNS IN THE PATH OF THIS STORM INCLUDE NAUVOO...PONTOOSUC AND DURHAM. THIS STORM WAS ALSO PRODUCING FLASH FLOOD PRODUCING RAINS. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS... OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS. MILLER &
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, Jul 11, 3:05 PM CDT, 3 hours 42 minutes before
ILZ009-112130-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
305 PM CDT SUN JUL 11 1993
...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MUCH OF CENTRAL ILLINOIS
UNTIL 900 PM...
THE POTENTIAL EXISTS FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS IN
CENTRAL ILLINOIS THIS AFTERNOON AND EVENING. AS A RESULT...A SEVERE
THUNDERSTORM WATCH HAS BEEN POSTED FOR MUCH OF THE REGION...INCLUDING
MASON COUNTY.
AT 300 PM...THUNDERSTORMS WERE WITHIN AN AREA BETWEEN QUINCY...
SPRINGFIELD AND ST. LOUIS. THESE STORMS ARE EXPECTED TO REMAIN SOUTH
OF MASON COUNTY...BUT ADDITIONAL DEVELOPMENT IS POSSIBLE THIS EVENING.
STAY TUNED TO NOAA WEATHER RADIO...OR LOCAL TELEVISION AND RADIO FOR
LATER STATEMENTS AND WARNINGS.
MILLERSpecial weather statement, Jul 11, 4:10 PM CDT, 2 hours 37 minutes before
ILZ009-112230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 410 PM CDT SUN JUL 11 1993 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM... THUNDERSTORMS WERE MOVING THROUGH PARTS OF CENTRAL ILLINOIS AT 405 PM. THESE STORMS ARE EXPECTED TO REMAIN SOUTH OF MASON COUNTY...ALTHOUGH SOME LIGHT RAIN SHOWERS MAY MOVE ACROSS EXTREME SOUTHERN PARTS OF THE COUNTY BETWEEN 415 AND 515 PM. STAY TUNED TO NOAA WEATHER RADIO...OR LOCAL TELEVISION AND RADIO FOR LATER STATEMENTS AND WARNINGS. MILLER
Special weather statement, Jul 11, 4:12 PM CDT, 2 hours 35 minutes before
ILZ009-112230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 410 PM CDT SUN JUL 11 1993 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM... THUNDERSTORMS WERE MOVING THROUGH PARTS OF CENTRAL ILLINOIS AT 405 PM. THESE STORMS ARE EXPECTED TO REMAIN SOUTH OF MASON COUNTY...ALTHOUGH SOME LIGHT RAIN SHOWERS MAY MOVE ACROSS EXTREME SOUTHERN PARTS OF THE COUNTY BETWEEN 415 AND 515 PM. STAY TUNED TO NOAA WEATHER RADIO...OR L&OCAL TELEVISION AND RADIO FOR LATER STATEMENTS AND WARNINGS. MILLER
Special weather statement, Jul 11, 5:40 PM CDT, 1 hour 7 minutes before
ILZ009-010-112330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 535 PM CDT SUN JUL 11 1993 ...SEVERE THUNDERSTORM WATCH FOR CENTRAL ILLINOIS HAS BEEN CANCELLED... ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MOST OF EAST CENTRAL ILLINOIS UNTIL 9 PM CDT AND FOR EDGAR AND CLARK COUNTIES UNTIL 10 PM CDT... AT 535 PM CDT...THE SHOWERS AND THUNDERSTORMS WERE LOCATED EAST OF A LINE FROM CLINTON...15 MILES NORTH OF DECATUR TO VANDALIA. THE STORMS WERE MOVING TO THE EAST AT 30 MILES AN HOUR. THE STRONGEST STORMS WERE LOCATED FROM CHAMPAIGN TO 25 MILES SOUTH OF CHAMPAIGN...NEAR ARCOLA. ALSO...VERY STRONG STORMS WERE LOCATED 55 MILES SOUTH OF CHAMPAIGN...BETWEEN TOLEDO AND GREENUP. VERY HEAVY RAIN...SMALL HAIL...GUSTY WINDS AND DEADLY LIGHTNING WILL ACCOMPANY THE STRONGEST STORMS. BE ALERT TO THE RAPIDLY CHANGING WEATHER CONDITIONS AND MOVE TO A PLACE OF SHELTER AS SEVERE WEATHER APPROACHES. STAY TUNED TO YOUR FAxVORITE SOURCE FOR WEATHER INFORMATION FOR FURTHER UPDATES AND POSSIBLE WARNINGS. BYRD
Special weather statement, Jul 11, 6:05 PM CDT, 42 minutes before
ILZ006-120000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 605 PM CDT SUN JUL 11 1993 ...STRONG THUNDERSTORMS MOVING INTO WESTERN ILLINOIS... THUNDERSTORMS WITH VERY HEAVY RAIN...GUSTY WINDS AND POSSIBLY SOME SMALL HAIL WERE 20 MILES SOUTH TO 20 MILES WEST OF BURLINGTON IOWA AT 600 PM. THESE STORMS WILL MOVE ACROSS HANCOCK COUNTY BETWEEN 600 AND 700 PM...REACHING THE MACOMB AREA SHORTLY AFTER 700 PM. MILLER
Special weather statement, Jul 11, 6:06 PM CDT, 41 minutes before
ILZ006-120000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 605 PM CDT SUN JUL 11 1993 ...STRONG THUNDERSTORMS MOVING INTO WESTERN ILLINOIS... THUNDERSTORMS WITH VERY HEAVY RAIN...GUSTY WINDS AND POSSIBLY SOME SMALL HAIL WERE 20 MILES SOUTH TO 20 MILES WEST OF BURLINGTON IOWA AT 600 PM. THESE STORMS WILL MOVE ACROSS HANCOCK COUNTY BETWEEN 600 AND 700 PM...REACHING THE MACOMB AREA SHORTLY AFTER 700 PM. MILLER
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 7:25 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 25 min |
| Jul 10, 7:40 PM CDT | Severe Thunderstorm Warning | ILX | Bureau | 35 min |
| Jul 10, 8:07 PM CDT | Flash Flood Warning | ILX | Fulton, Hancock, McDonough | 4 hr |
| Jul 10, 8:39 PM CDT | Tornado Warning | ILX | Tazewell | 36 min |
| Jul 11, 2:48 PM CDT | Severe Thunderstorm Warning | ILX | Morgan | 42 min |
| Jul 11, 3:45 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 45 min |
| Jul 11, 4:08 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland | 52 min |
| Jul 11, 4:42 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 37 min |
| Jul 11, 6:47 PM CDT | Flash Flood Warning | ILX | Hancock | 58 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.