Alert archive / Illinois / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 96, NWS Lincoln, IL

August 25, 1994Henderson County, Warren County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Aug 25, 1994, 1:30 PM CDT for Henderson County, Warren County, Illinois. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Aug 25, 1994, 1:30 PM CDT (18:30 UTC)
Expired
Aug 25, 1994, 2:05 PM CDT
In force
35 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Henderson County, IL, Warren County, IL

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 6.5 hours before the alert went out and 455 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 12:00Z on 1994-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 12:00Z on 1994-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1299 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPIA 251831 RRA
SVRPIA
ILC071-187-251915-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEORIA IL
130 PM CDT THU AUG 25 1994
 
THE NATIONAL WEATHER SERVICE IN PEORIA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  215 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL ILLINOIS
 
   ...HENDERSON COUNTY...WARREN COUNTY
 
AT 125 PM...A SEVERE THUNDERSTORM WAS MOVING THROUGH OQUAWKA IN NORTHERN
HENDERSON COUNTY. THIS STORM WAS MOVING EAST AT 25 MPH.
 
THIS STORM WILL MOVE INTO WARREN COUNTY IN THE NEXT 15 MINUTES.
 
TOWNS IN AND ALONG THE PATH OF THE STORM ARE
ROZETTA...ELEANOR...MONMOUTH AND UTAH.
 
 
SEVERE THUNDERSTORMS CAN AND OCCA&SIONALLY DO PRODUCE TORNADOES.
 
 
MOGGED

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, Aug 25, 1:14 PM CDT, 16 minutes before
ILZ017-025>028-034-251915-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
114 PM CDT THU AUG 25 1994

...STRONG STORMS MOVING INTO HENDERSON COUNTY...

SHORTLY AFTER 1 PM...STRONG STORMS WERE MOVING INTO HENDERSON COUNTY
FROM SOUTHEASTERN IOWA. THESE STORMS WERE MOVING EAST AT 25 MPH.

EXPECT THESE STORMS TO PERSIST IN HENDERSON COUNTY AND MOVE INTO
ADJACENT WARREN COUNTY THROUGH 2 PM. THESE STORMS APPEAR TO BE HEAVY
RAINMAKERS BUT WITH VERY UNSTABLE AIR ACROSS THE AREA... SEVERE WEATHER
SHOULD NOT BE RULED OUT.

EXPECT HEAVY RAIN...FREQUENT LIGHTNING...GUSTY WINDS AND EVEN SMALL
HAIL WITH THESE STORMS.

MOGGED
Special weather statement, Aug 25, 1:15 PM CDT, 15 minutes before
ILZ017-025>028-034-251915-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
114 PM CDT THU AUG 25 1994

...STRONG STORMS MOVING INTO HENDERSON COUNTY...

SHORTLY AFTER 1 PM...STRONG STORMS WERE MOVING INTO HENDERSON COUNTY
FROM SOUTHEASTERN IOWA. THESE STORMS WERE MOVING EAST AT 25 MPH.

EXPECT THESE STORMS TO PERSIST IN HENDERSON COUNTY AND MOVE INTO
ADJACENT WARREN COUNTY THROUGH 2 PM. THESE STORMS APPEAR TO BE HEAVY
RAINMAKERS BUT WITH VERY UNSTABLE AIR ACROSS THE AREA... SEVERE WEATHER
SHOULD NOT BE RULED OUT.

EXPECT HEAVY RAIN...FREQUENT LIGHTNING...GUSTY WINDS AND EVEN SMALL
HAIL WITH THESE STORMS.

MOGGED

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.