Alert archive / Illinois / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 48, NWS Lincoln, IL

June 25, 1994Logan County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 25, 1994, 9:51 PM CDT for Logan County, Illinois. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Jun 25, 1994, 9:51 PM CDT (02:51 UTC)
Expired
Jun 25, 1994, 10:21 PM CDT
In force
30 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Logan County, IL

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 00:00Z, 2.9 hours before the alert went out and 345 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 
TTAA00 KSPI 260253 RRA
SVRSPI
ILC107-260330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
951 PM CDT SAT JUN 25 1994
 
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL ILLINOIS
 
   ...EASTERN LOGAN COUNTY
 
AT 945 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM 36 MILES NORTHEAST
OF SPRINGFIELD...NEAR LAWNDALE.
 
THE STORM WAS MOVING TO THE SOUTHEAST AT 35 MPH.  TOWNS IN THE PATH OF
THESE STORM ARE...LAWNDALE...BEASON...AND CHESTNUT.
 
TAKE SHELTER IN A SUBSTANTIAL BUILDING.  STAY AWAY FROM WINDOWS.
LIGHTNING KILLS...SO STAY OFF OF TELEPHONES. REMEMBER...A SEVERE
THUNDERSTORM MAY PRODUCE A TORNADO AT ANY TIME.
 
$$
AUTEN

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, Jun 25, 7:39 PM CDT, 2 hours 12 minutes before
ILZ042-043-047-048-050>053-059>061-260135-

SPECIAL WEATHER STATEMENT...CORRECTION...WATCH WORDING...
NATIONAL WEATHER SERVICE SPRINGFIELD IL
731 PM CDT SAT JUN 25 1994

...SEVERE THUNDERSTORM HAD DEVELOPED IN SCHUYLER COUNTY...

AT 725 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM HAD DEVELOPED IN
SCHUYLER COUNTY IN WEST CENTRAL ILLINOIS.  THIS STORM WAS LOCATED 65
MILES NORTHWEST OF SPRINGFIELD AND WAS MOVING TO THE SOUTHEAST AT
30 MPH.

THIS STORM HAS PRODUCED GOLFBALL SIZE HAIL IN AUGUSTA...IN HANCOCK
COUNTY...30 MILES NORTHEAST OF QUINCY.

THIS STORM WILL MOVE INTO CASS COUNTY BETWEEN 815 AND 830 PM CDT.

ADVANCE PLANNING FOR A SEVERE THUNDERSTORM IS ESSENTIAL.  MAKE SURE
YOUR FAMILY KNOWS WHERE TO GO AND WHAT TO DO IN THE EVENT A SEVERE
THUNDERSTORM WARNING IS ISSUED.

LISTEN TO YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR FURTHER
STATEMENTS OR POSSIBLE WARNINGS.

AUTEN
Special weather statement, Jun 25, 8:37 PM CDT, 1 hour 14 minutes before
ILZ017-018-025>031-034>038-040-041-260240-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
838 PM CDT SAT JUN 25 1994

...SHOWERS AND THUNDERSTORMS OVER WEST CENTRAL ILLINOIS...

AT 830 PM CDT...SHOWERS AND THUNDERSTORM...SOME PRODUCING HEAVY
RAINFALL...FREQUENT LIGHTNING...GUSTY WINDS AND POSSIBLY SOME SMALL
HAIL...WAS OCCURRING TO THE SOUTH OF A LINE FROM BURLINGTON IOWA TO
SPRINGFIELD. THE HEAVIEST RAINFALL WAS DETECTED NEAR HAVANA...36 MILES
SOUTHWEST OF PEORIA. ALL OF THE SHOWERS AND THUNDERSTORMS WERE MOVING
TO THE SOUTHEAST AT AROUND 30 MPH.

THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS THE REGION THROUGH THE
EVENING. SOME OF THE STORMS MAY BECOME SEVERE SO TUNE TO NOAA WEATHER
RADIO FOR THE LATEST WEATHER INFORMATION.

BREESER
Special weather statement, Jun 25, 8:38 PM CDT, 1 hour 13 minutes before
ILZ017-018-025>031-034>038-040-041-260240-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
838 PM CDT SAT JUN 25 1994

...SHOWERS AND THUNDERSTORMS OVER WEST CENTRAL ILLINOIS...

AT 830 PM CDT...SHOWERS AND THUNDERSTORM...SOME PRODUCING HEAVY
RAINFALL...FREQUENT LIGHTNING...GUSTY WINDS AND POSSIBLY SOME SMALL
HAIL...WAS OCCURRING TO THE SOUTH OF A LINE FROM BURLINGTON IOWA TO
SPRINGFIELD. THE HEAVIEST RAINFALL WAS DETECTED NEAR HAVANA...36 MILES
SOUTHWEST OF PEORIA. ALL OF THE SHOWERS AND THUNDERSTORMS WERE MOVING
TO THE SOUTHEAST AT AROUND 30 MPH.

THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS THE REGION THROUGH THE
EVENING. SOME OF THE STORMS MAY BECOME SEVERE SO TUNE TO NOAA WEATHER
RADIO FOR THE LATEST WEATHER INFORMATION.

BREESER
Special weather statement, Jun 25, 8:45 PM CDT, 1 hour 6 minutes before
ILZ047-050>052-059-060-260245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
845 PM CDT SAT JUN 25 1994

...SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF CENTRAL
ILLINOIS...

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PORTIONS OF CENTRAL
ILLINOIS...IN EFFECT UNTIL 200 AM CDT.  COUNTIES IN THE WATCH ARE
CASS...MORGAN...SANGAMON...MACOUPIN AND MONTGOMERY.

AT 840 PM CDT...RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS
NORTHWEST OF A LINE FROM 30 MILES NORTH OF SPRINGFIELD TO 40 MILES
NORTH OF ST LOUIS MISSOURI.  THESE STORMS WERE MOVING TO THE SOUTHEAST
AT 30 MPH.

THE STRONGEST STORMS WERE 45 MILES WEST OF SPRINGFIELD...ON THE BORDER
OF MORGAN AND PIKE COUNTIES...AND 25 MILES NORTHWEST OF
SPRINGFIELD...IN MASON COUNTY.

QUARTER TO GOLFBALL SIZE HAIL HAS BEEN REPORTED WITH THE STORM PIKE
COUNTY.

A SEVERE THUNDERSTORM WATCH MEANS SEVERE THUNDERSTORMS ARE
POSSIBLE IN AND NEAR THE WATCH AREA.  PERSONS SHOULD WATCH FOR
THREATENING WEATHER AND LISTEN TO NOAA WEATHER RADIO... COMMERCIAL
RADIO OR TELEVISION FOR FURTHER INFORMATION.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.  FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.

STAY TUNED TO NOAA WEATHER RADIO...RADIO OR TELEVISION FOR THE
LATEST UPDATES CONCERNING THIS DEVELOPING WEATHER SITUATION.

AUTEN

Special weather statement, Jun 25, 9:40 PM CDT, 11 minutes before
ILZ017-018-025>031-034>038-040-041-260340-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
940 PM CDT SAT JUN 25 1994

...SHOWERS AND THUNDERSTORMS CONTINUE OVER CENTRAL ILLINOIS...

AROUND MID EVENING...SHOWERS AND THUNDERSTORMS WERE OCCURRING TO THE
SOUTH OF A LINE FROM MACOMB...35 MILES SOUTHEAST OF BURLINGTON...TO
PEORIA TO BLOOMINGTON. THE HEAVIEST PRECIPITATION WAS DETECTED OVER
NORTHERN SCHUYLER COUNTY...40 MILES NORTHEAST OF QUINCY. MOVEMENT WAS
TO THE SOUTHEAST AT 30 MPH.

SHOWERS AND THUNDERSTORM WILL CONTINUE ACROSS THE REGION...MAINLY TO
THE SOUTH OF PEORIA...THROUGH THE REMAINDER OF THE EVENING. SOME OF THE
STORMS COULD PRODUCE SMALL HAIL...FREQUENT LIGHTNING...BRIEF HEAVY
RAINFALL AND GUSTY WINDS.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.

BREESER
Special weather statement, Jun 25, 9:40 PM CDT, 11 minutes before
ILZ017-018-025>031-034>038-040-041-260340-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
940 PM CDT SAT JUN 25 1994

...SHOWERS AND THUNDERSTORMS CONTINUE OVER CENTRAL ILLINOIS...

AROUND MID EVENING...SHOWERS AND THUNDERSTORMS WERE OCCURRING TO THE
SOUTH OF A LINE FROM MACOMB...35 MILES SOUTHEAST OF BURLINGTON...TO
PEORIA TO BLOOMINGTON. THE HEAVIEST PRECIPITATION WAS DETECTED OVER
NORTHERN SCHUYLER COUNTY...40 MILES NORTHEAST OF QUINCY. MOVEMENT WAS
TO THE SOUTHEAST AT 30 MPH.

SHOWERS AND THUNDERSTORM WILL CONTINUE ACROSS THE REGION...MAINLY TO
THE SOUTH OF PEORIA...THROUGH THE REMAINDER OF THE EVENING. SOME OF THE
STORMS COULD PRODUCE SMALL HAIL...FREQUENT LIGHTNING...BRIEF HEAVY
RAINFALL AND GUSTY WINDS.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.

BREESER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 7:06 PM CDTSevere Thunderstorm WarningILXHancock, McDonough, Schuyler54 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.