Alert archive / Illinois / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 47, NWS Lincoln, IL

June 25, 1994Hancock County, McDonough County, Schuyler County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 25, 1994, 7:06 PM CDT for Hancock County, McDonough County, Schuyler County, Illinois. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Jun 25, 1994, 7:06 PM CDT (00:06 UTC)
Expired
Jun 25, 1994, 8:00 PM CDT
In force
54 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Hancock County, IL, McDonough County, IL, Schuyler County, IL

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 00:00Z, 0.1 hours before the alert went out and 407 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 1994-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1670 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 1994-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
1670 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1533 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
154 m²/s²
Significant tornado parameter
0.3
Supercell composite
4.3

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KPIA 260006 RRA
SVRPIA
ILC067-109-169-260100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEORIA IL
706 PM CDT SAT JUN 25 1994
 
THE NATIONAL WEATHER SERVICE IN PEORIA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL ILLINOIS
 
   ...SOUTHEASTERN HANCOCK COUNTY
   ...SOUTHWESTERN MCDONOUGH COUNTY...SCHUYLER COUNTY
 
AT 7:04 PM CDT...A SEVERE THUNDERSTORM WAS REPORTED IN EXTREME
SOUTHEASTERN HANCOCK COUNTY ...29 MILES SOUTH OF BURLINGTON. MOVEMENT
WAS TO THE EAST SOUTHEAST AT 35 MPH. THIS STORM WILL THREATEN THE
COMMUNITY OF ST. MARY   BY 7:14 PM...COLMAR  AROUND 7:17 PM...BIRMINGHAM
AROUND 7:28 PM AND BROOKLYN AROUND 7:34 PM.
 
WHEN THUNDERSTORMS ARE OCCURRING...MOVE INSIDE A STRONG BUILDING.
 
BREESER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 9:51 PM CDTSevere Thunderstorm WarningILXLogan30 min
Jun 26, 4:00 PM CDTSevere Thunderstorm WarningILXBureau, Putnam50 min
Jun 26, 4:28 PM CDTSevere Thunderstorm WarningILXMarshall47 min
Jun 26, 5:19 PM CDTSevere Thunderstorm WarningILXPeoria, Tazewell41 min
Jun 26, 5:34 PM CDTTornado WarningILXPeoria, Tazewell26 min
Jun 26, 5:47 PM CDTTornado WarningILXMcLean, Woodford43 min
Jun 26, 5:59 PM CDTTornado WarningILXTazewell31 min
Jun 26, 6:08 PM CDTTornado WarningILXLogan, Mason37 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.