Alert archive / Illinois / Tornado Warnings in 1994

Tornado Warning 9, NWS Lincoln, IL

May 14, 1994Clark County, Illinois

NWS Lincoln, IL issued this tornado warning at May 14, 1994, 8:16 PM CDT for Clark County, Illinois. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
May 14, 1994, 8:16 PM CDT (01:16 UTC)
Expired
May 14, 1994, 8:45 PM CDT
In force
29 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Clark County, IL

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 00:00Z, 1.3 hours before the alert went out and 264 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 1994-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 273 joules per kilogram.LCLLFCEL10008507005003002001001 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 1994-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.19395878Sfc1 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
273 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1153 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSPI 150117
TORSPI
ILC023-150145-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
816 PM CDT SAT MAY 14 1994
 
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  845 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL ILLINOIS
 
   ...CLARK COUNTY
 
AT 815 PM CDT...THE ILLINOIS STATE POLICE REPORTED A TORNADO 6 MILES
SOUTH OF MARTINSVILLE...OR ABOUT 25 MILES SOUTHWEST OF TERRE HAUTE
INDIANA. THE STORM PRODUCING THE TORNADO IS MOVING TO THE NORTHEAST AT
30 MPH.
 
TOWNS IN THE PATH OF THIS STORM INCLUDE WEIR...ALRIGHT...ERNST... AND
MARSHALL.
 
TAKE COVER IMMEDIATELY IN A BASEMENT OR INTERIOR ROOM ON THE LOW
EST
FLOOR.  ABANDON MOBILE HOMES AND VEHICLES FOR SAFER SHELTER.  ACT NOW
TO SAVE YOUR LIFE!
 
GEELHART
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 8:44 PM CDTTornado WarningILXClark31 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.