Alert archive / Illinois / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 49, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 27, 1994, 12:45 AM CDT for Clay County, Illinois. It was in force for 30 min.
The area
The counties it named.
The facts
- Issued
- Apr 27, 1994, 12:45 AM CDT (05:45 UTC)
- Expired
- Apr 27, 1994, 1:15 AM CDT
- In force
- 30 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Clay County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 5.8 hours before the alert went out and 188 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
- 2999 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1036 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 10.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KEVV 270546 SVREVV ILC025-270615- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EVANSVILLE IN 1245 AM CDT WED APR 27 1994 THE NATIONAL WEATHER SERVICE IN EVANSVILLE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 115 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST ILLINOIS ...CLAY COUNTY AT 1243 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM JUST WEST OF LOUISVILLE ILLINOIS...ABOUT 70 MILES NORTHWEST OF EVANSVILLE. THIS STORM WAS MOVING EAST AT 45 MPH...AND WILL REACH LOUISVILLE BY 150 AM AND INGRAHAM BY 1 AM. IF YOU ARE IN THE PATH OF THIS STORM...YOU SHOULD TAKE COVER IMMEDIATELY. A TORNADO WATCH IS ALSO IN EFFECT FOR bTHE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. TT
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, Apr 26, 8:17 PM CDT, 4 hours 28 minutes before
INZ010-011-019-020-028-270315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 817 PM EST TUE APR 26 1994 A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EST FOR THAT PART OF INDIANA NORTHWEST OF A LINE FROM DANVILLE ILLINOIS TO ELKHART. AT 815 PM EST STRONG THUNDERSTORMS WERE BEGINNING TO MOVE INTO NORTHWEST INDIANA. THESE THUNDERSTORMS WERE LOCATED FROM 40 MILES NORTHWEST OF RENSSELAER NEAR KANKAKEE ILLINOIS SOUTHWEST INTO CENTRAL ILLINOIS...AND MOVING NORTHEAST AT 50 MPH. BY 915 PM EST...STRONG THUNDERSTORMS WILL MOVE TO NEAR MOROCCO...20 MILES WEST OF RENSSELAER. THESE THUNDERSTORMS HAVE PRODUCED LARGE HAIL IN ILLINOIS...AND MAY STILL BE SEVERE WHEN THEY MOVE INTO INDIANA. ALSO...REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. ZIMMERMAN
Special weather statement, Apr 26, 8:56 PM CDT, 3 hours 49 minutes before
INZ010-011-019-020-028-270315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 855 PM EST TUE APR 26 1994 A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EST FOR THAT PART OF INDIANA NORTHWEST OF A LINE FROM DANVILLE ILLINOIS TO ELKHART. AT 850 PM EST VERY STRONG THUDERSTORMS EXTENDED FROM NEAR THE SOUTHERN TIP OF LAKE MICHIGAN ACROSS CENTRAL ILLINOIS TO NEAR SAINT LOUIS. SOME OF THESE STRONG THUNDERSTORMS WERE LOCATED ABOUT 30 MILES WEST OF RENSSELAER AND EXTENDED SOUTHWEST TO NEAR SPRINGFIELD ILLINOIS. AT 835 PM EST THE CHICAGO RADAR INDICATED A POSSIBLE TORNADO ABOUT 35 MILES WEST OF RENSSELAER. THESE THUNDERSTORMS HAVE ALSO PRODUCED LARGE HAIL OVER NORTHEAST ILLINOIS. THESE THUNDERSTORMS WERE MOVING EAST NORTHEAST AT 50 MILES AND HOUR AND MAY MOVE TO NEAR OR JUST NORTHWEST OF RENSSELAER BY 930 PM EST. PERSONS OVER FAR NORTHWEST INDIANA SHOULD BE PREPARED FOR POSSIBLE SEVERE WEATHER. ALSO...REMEMBERF...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. HENDRICKSON
Special weather statement, Apr 26, 9:17 PM CDT, 3 hours 28 minutes before
INZ010-011-019-020-028-270345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 915 PM EST TUE APR 26 1994 A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EST FOR THAT PART OF INDIANA NORTHWEST OF A LINE FROM DANVILLE ILLINOIS TO ELKHART. AT 912 PM EST VERY STRONG THUDERSTORMS EXTENDED FROM THE SOUTH SIDE OF CHICAGO TO ABOUT 30 MILES WEST OF RENSSELAER. RADAR INDICATED SOME OF THESE STORMS MAY HAVE PRODUCED SMALL TORNADOES ACROSS NORTHEAST ILLINOIS. THE THUNDERSTORMS WERE MOVING EAST NORTHEAST AT ABOUT 50 MILES AN HOUR AND WILL MOVE INTO THE RENSSELAER AREA BY 945 PM EST. MEANWHILE ANOTHER CLUSTER OF STRONG THUNDERSTORMS WAS LOCATED OVER EAST CENTRAL ILLINOIS NEAR CHAMPAIGN. THESE THUNDERSTORMS WERE MOVING EAST AT 50 MILES AN HOUR AND WILL MOVE INTO WEST CENTRAL INDIANA JUST TO THE WEST OF COVINGTON AFTER 1000 PM EST. PERSONS OVER NORTHWEST AND WEST CENTRAL INDIANA SHOULD BE PREPARED FOR POSSIBLE SEVERE LWEATHER. ALSO...REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. HENDRICKSON
Special weather statement, Apr 26, 9:53 PM CDT, 2 hours 52 minutes before
INZALL-270800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 950 PM EST TUE APR 26 1993 IN INDIANA A NEW TORNADO WATCH IS IN EFFECT UNTIL 300 AM EST AND INCLUDES THAT PART OF INDIANA...SOUTH OF A LINE FROM ELKHART TO DANVILLE ILLINOIS AND NORTH OF A LINE FROM SULLIVAN TO NASHVILLE TO PORTLAND. SOME CITIES INCLUDED IN THE NEW TORNADO WATCH ARE...FORT WAYNE...KOKOMO... LAFAYATTE...INDIANAPOLIS AND TERRE HAUTE. A TORNADO WATCH IS ALSO IN EFFECT NORTH OF A LINE FROM ELKHART TO DANVILLE ILLINOIS UNTIL MIDNIGHT. REMEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE WEATHER IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. JEH
Local storm report, Apr 26, 10:48 PM CDT, 1 hour 57 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1048 PM EST TUE APR 26 1994
TIME (EST) COUNTY LOCATION EVENT
1025 PM JASPER SHERIFFS DEPUTY REPORTED 50 TO 60 MPH
2 WINDS WEST OF RENSSELAER
1035 PM JAPSER PENNY SIZE HAIL AT THE SHERIFFS OFFICE
IN RENSSELAER
DESpecial weather statement, Apr 27, 12:41 AM CDT, 4 minutes before
INZALL-040800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1240 AM EST WED APR 27 1993 IN INDIANA THIS TORNADO WATCH IS IN EFFECT UNTIL 300 AM EST AND INCLUDES THAT PART OF INDIANA... SOUTH OF A LINE FROM 10 MILES NORTHWEST OF TERRE HAUTE TO 10 MILES NORTH OF PORTLAND IN JAY COUNTY. AND NORTH OF A LINE FROM 5 MILES EAST OF EVANSVILLE TO 15 MILES SOUTH OF LAWRENCEBURG AND EAST OF A LINE FROM 10 MILES NORTHWEST OF TERRE HAUTE TO 5 MILES EAST OF EVANSVILLE. SOME CITIES INCLUDED ARE... INDIANAPOLIS...MUNCIE...BLOOMINGTON... BEDFORD...RICHMOND AND MADISON. REMEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE WEATHER IN AND CLOSE TO THE WATCH AREA.6 PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. HAINES
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 11:18 PM CDT | Severe Thunderstorm Warning | IND | Clay | 27 min |
| Apr 26, 11:37 PM CDT | Severe Thunderstorm Warning | IND | Jasper, Richland | 53 min |
| Apr 26, 11:41 PM CDT | Severe Thunderstorm Warning | IND | Wayne | 49 min |
| Apr 27, 12:05 AM CDT | Severe Thunderstorm Warning | IND | Crawford, Lawrence, Wabash | 40 min |
| Apr 27, 12:05 AM CDT | Severe Thunderstorm Warning | IND | Edwards | 40 min |
| Apr 27, 12:56 AM CDT | Severe Thunderstorm Warning | IND | Richland | 34 min |
| Apr 27, 1:06 AM CDT | Severe Thunderstorm Warning | IND | Jasper | 54 min |
| Apr 27, 2:20 AM CDT | Severe Thunderstorm Warning | IND | Richland | 40 min |
| Apr 27, 4:26 AM CDT | Severe Thunderstorm Warning | IND | Edwards, Wabash, White | 64 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1994Every severe thunderstorm warning in 1994
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.