Alert archive / Illinois / Tornado Warnings in 1994

Tornado Warning 4, NWS Lincoln, IL

April 26, 1994McLean County, Illinois

NWS Lincoln, IL issued this tornado warning at Apr 26, 1994, 9:04 PM CDT for McLean County, Illinois. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Apr 26, 1994, 9:04 PM CDT (02:04 UTC)
Expired
Apr 26, 1994, 9:45 PM CDT
In force
41 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County McLean County, IL

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 00:00Z, 2.1 hours before the alert went out and 381 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.

Skew-T log-pSkew-T log-p diagram, Paducah/Barkley, KY at 00:00Z on 1994-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2999 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Paducah/Barkley, KY at 00:00Z on 1994-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KPIA 270204
TORPIA
ILC113-270245-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEORIA IL
904 PM CDT TUE APR 26 1994
 
THE NATIONAL WEATHER SERVICE IN PEORIA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  945 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL ILLINOIS
 
   ...MCLEAN COUNTY
 
AT 9:00 PM CDT...A POSSIBLE TORNADO WAS DETECTED IN MCLEAN COUNTY ...3
MILES EAST NORTHEAST OF BLOOMINGTON. MOVEMENT WAS TO THE NORTHEAST AT 58
MPH. THIS STORM WILL THREATEN THE COMMUNITY OF TOWANDA BY 9:10
PM...LEXINGTON ...MEADOWS AND CHENOA AROUND 9:20 PM AND WESTON AROUND
9:30 PM.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT.
 
BREESER

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 26, 7:01 PM CDTSevere Thunderstorm WarningILXChristian44 min
Apr 26, 7:18 PM CDTSevere Thunderstorm WarningILXMcLean, Tazewell, Woodford42 min
Apr 26, 7:21 PM CDTSevere Thunderstorm WarningILXMacon54 min
Apr 26, 7:45 PM CDTSevere Thunderstorm WarningILXChristian30 min
Apr 26, 7:52 PM CDTTornado WarningILXMacon, Shelby38 min
Apr 26, 8:28 PM CDTTornado WarningILXChristian19 min
Apr 26, 8:28 PM CDTTornado WarningILXMacon, Moultrie, Shelby47 min
Apr 26, 8:51 PM CDTSevere Thunderstorm WarningILXMacoupin, Montgomery61 min
Apr 26, 9:08 PM CDTSevere Thunderstorm WarningILXColes, Douglas, Moultrie52 min
Apr 26, 9:34 PM CDTSevere Thunderstorm WarningILXChristian, Macon, Sangamon41 min
Apr 26, 9:37 PM CDTTornado WarningILXDouglas38 min
Apr 26, 10:11 PM CDTTornado WarningILXChampaign, Piatt44 min
Apr 26, 10:11 PM CDTTornado WarningILXDeWitt44 min
Apr 26, 10:11 PM CDTTornado WarningILXMontgomery34 min
Apr 26, 10:25 PM CDTSevere Thunderstorm WarningILXEdgar, Vermilion30 min

Nearby

Tornado Warnings in Illinois, 1994Every tornado warning in 1994Tornadoes 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.