Alert archive / Illinois / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 98, NWS Lincoln, IL

September 25, 1994Logan County, Sangamon County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Sep 25, 1994, 5:14 PM CDT for Logan County, Sangamon County, Illinois. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Sep 25, 1994, 5:14 PM CDT (22:14 UTC)
Expired
Sep 25, 1994, 5:54 PM CDT
In force
40 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Logan County, IL, Sangamon County, IL

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 10.2 hours before the alert went out and 327 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 1994-09-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1994-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
784 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
68 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 KSPI 252216 RRA
SVRSPI
ILC107-167-252300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
514 PM CDT SUN SEP 25 1994
 
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL ILLINOIS
 
   ...SOUTHWESTERN LOGAN COUNTY...NORTHEASTERN SANGAMON COUNTY
 
ILLINOIS STATE POLICE REPORTED GOLF -BALL SIZE HAIL NORTHEAST OF
SPRINGFIELD BETWEEN WILLIAMSVILLE AND ELKHART AT 508 PM. THE
STORM WAS MOVING SOUTHWEST AT 5 MPH.
 
THE STORM IS EXPECTED TO MOVE ACROSS WILLIAMSVILLE TO SHERMAN BY
6 PM.
 
 
TAKE SHELTER IN A SUBSTANTIAL BUILDING.  STAY AWAYp FROM WINDOWS.
LIGHTNING KILLS...SO STAY OFF OF TELEPHONES. REMEMBER...A SEVERE
THUNDERSTORM MAY PRODUCE A TORNADO AT ANY TIME.
 
 
$$
SKIPPER
 
 
 
 
&

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, Sep 25, 4:20 PM CDT, 54 minutes before
ILZ017-018-025>031-034>038-040-041-252225-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
420 PM CDT SUN SEP 25 1994

...STRONG THUNDERSTORMS MOVING THROUGH CENTRAL ILLINOIS ...

AT 415 PM CDT...RADAR INDICATED A STRONG THUNDERSTORM MOVING THROUGH
EASTERN TAZEWELL COUNTY.  THE STORM WAS LOCATED NEAR MACKINAW...16 MILES
EAST SOUTHEAST OF PEORIA.  THIS STORM WAS MOVING TO THE WEST NORTHWEST
AT ABOUT 20 TO 25 MPH.  THIS STORM IS EXPECTED TO MOVE ACROSS THE
ILLINOIS RIVER INTO PEORIA AREA BY 445 PM.

SCATTERED THUNDERSTORMS WERE ALSO LOCATED ABOUT 5 MILES NORTHWEST OF
ROANOKE IN WOODFORD COUNTY...23 MILES NORTHEAST OF PEORIA. THESE STORMS
WERE ALSO MOVING TO WEST NORTHWEST AT 20 TO 25 MPH. AND SHOULD MOVE
ACROSS NORTHERN PEORIA COUNTY INTO STARK COUNTY BY 5 PM.

HIGH WINDS...FREQUENT LIGHTNING AND HAIL MAY ACCOMPANY THESE STORMS.

IF YOU PLAN TO BE OUTDOORS...CHECK THE LATEST WEATHER INFORMATION.

OUSLEY
Special weather statement, Sep 25, 4:22 PM CDT, 52 minutes before
ILZ017-018-025>031-034>038-040-041-252225-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
420 PM CDT SUN SEP 25 1994

...STRONG THUNDERSTORMS MOVING THROUGH CENTRAL ILLINOIS ...

AT 415 PM CDT...RADAR INDICATED A STRONG THUNDERSTORM MOVING THROUGH
EASTERN TAZEWELL COUNTY.  THE STORM WAS LOCATED NEAR MACKINAW...16 MILES
EAST SOUTHEAST OF PEORIA.  THIS STORM WAS MOVING TO THE WEST NORTHWEST
AT ABOUT 20 TO 25 MPH.  THIS STORM IS EXPECTED TO MOVE ACROSS THE
ILLINOIS RIVER INTO PEORIA AREA BY 445 PM.

SCATTERED THUNDERSTORMS WERE ALSO LOCATED ABOUT 5 MILES NORTHWEST OF
ROANOKE IN WOODFORD COUNTY...23 MILES NORTHEAST OF PEORIA. THESE STORMS
WERE ALSO MOVING TO WEST NORTHWEST AT 20 TO 25 MPH. AND SHOULD MOVE
ACROSS NORTHERN PEORIA COUNTY INTO STARK COUNTY BY 5 PM.

HIGH WINDS...FREQUENT LIGHTNING AND HAIL MAY ACCOMPANY THESE STORMS.

IF YOU PLAN TO BE OUTDOORS...CHECK THE LATEST WEATHER INFORMATION.

OUSLEY
Special weather statement, Sep 25, 4:26 PM CDT, 48 minutes before
ILZ017-018-025>031-034>038-040-041-252230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
426 PM CDT SUN SEP 25 1994

...STRONG THUNDERSTORMS MOVING THROUGH CENTRAL ILLINOIS ...

AT 415 PM CDT...RADAR INDICATED A STRONG THUNDERSTORM MOVING THROUGH
EASTERN TAZEWELL COUNTY.  THE STORM WAS LOCATED NEAR MACKINAW...16 MILES
EAST SOUTHEAST OF PEORIA.  THIS STORM WAS MOVING TO THE WEST NORTHWEST
AT ABOUT 20 TO 25 MPH.  THIS STORM IS EXPECTED TO MOVE ACROSS THE
ILLINOIS RIVER INTO THE PEORIA AREA BY 445 PM.

SCATTERED THUNDERSTORMS WERE ALSO LOCATED ABOUT 5 MILES NORTHWEST OF
ROANOKE IN WOODFORD COUNTY...23 MILES NORTHEAST OF PEORIA. THESE STORMS
WERE ALSO MOVING TO WEST NORTHWEST AT 20 TO 25 MPH AND SHOULD MOVE
ACROSS NORTHERN PEORIA COUNTY INTO STARK COUNTY BY 5 PM.

HIGH WINDS...FREQUENT LIGHTNING AND HAIL MAY ACCOMPANY THESE STORMS.

IF YOU PLAN TO BE OUTDOORS...CHECK THE LATEST WEATHER INFORMATION.

OUSLEY
Special weather statement, Sep 25, 4:28 PM CDT, 46 minutes before
ILZ017-018-025>031-034>038-040-041-252230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
426 PM CDT SUN SEP 25 1994

...STRONG THUNDERSTORMS MOVING THROUGH CENTRAL ILLINOIS ...

AT 415 PM CDT...RADAR INDICATED A STRONG THUNDERSTORM MOVING THROUGH
EASTERN TAZEWELL COUNTY.  THE STORM WAS LOCATED NEAR MACKINAW...16 MILES
EAST SOUTHEAST OF PEORIA.  THIS STORM WAS MOVING TO THE WEST NORTHWEST
AT ABOUT 20 TO 25 MPH.  THIS STORM IS EXPECTED TO MOVE ACROSS THE
ILLINOIS RIVER INTO THE PEORIA AREA BY 445 PM.

SCATTERED THUNDERSTORMS WERE ALSO LOCATED ABOUT 5 MILES NORTHWEST OF
ROANOKE IN WOODFORD COUNTY...23 MILES NORTHEAST OF PEORIA. THESE STORMS
WERE ALSO MOVING TO WEST NORTHWEST AT 20 TO 25 MPH AND SHOULD MOVE
ACROSS NORTHERN PEORIA COUNTY INTO STARK COUNTY BY 5 PM.

HIGH WINDS...FREQUENT LIGHTNING AND HAIL MAY ACCOMPANY THESE STORMS.

IF YOU PLAN TO BE OUTDOORS...CHECK THE LATEST WEATHER INFORMATION.

OUSLEY
Special weather statement, Sep 25, 4:31 PM CDT, 43 minutes before
ILZ042>048-050>057-061>063-252235-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
431 PM CDT SUN SEP 25 1994

...THUNDERSTORMS WITH SMALL HAIL CONTINUE OVER CENTRAL AND EAST
CENTRAL ILLINOIS...

WEATHER RADAR AT 422 PM CDT INDICATED STRONG THUNDERSTORMS NORTHEAST
OF SPRINGFIELD AND NORTHWEST OF CHAMPAIGN.  THE STRONGEST STORMS WERE
15 MILES NORTHEAST OF SPRINGFIELD NEAR BROADWELL AND 20 MILES NORTHWEST
OF CHAMPAIGN NEAR FARMER CITY.  THE STORMS WERE MOVING NORHTWEST AT
5 MPH.

THE STRONGER STORMS HAVE A HISTORY OF PRODUCING 1/4 TO 1/2 INCH HAIL.

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.
TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION.

IN OPEN AREAS...GO TO A LOW PLACE SUCH AS A RAVINE OR VALLEY.

SKIPPER
Special weather statement, Sep 25, 4:33 PM CDT, 41 minutes before
ILZ042>048-050>057-061>063-252235-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
431 PM CDT SUN SEP 25 1994

...THUNDERSTORMS WITH SMALL HAIL CONTINUE OVER CENTRAL AND EAST
CENTRAL ILLINOIS...

WEATHER RADAR AT 422 PM CDT INDICATED STRONG THUNDERSTORMS NORTHEAST
OF SPRINGFIELD AND NORTHWEST OF CHAMPAIGN.  THE STRONGEST STORMS WERE
15 MILES NORTHEAST OF SPRINGFIELD NEAR BROADWELL AND 20 MILES NORTHWEST
OF CHAMPAIGN NEAR FARMER CITY.  THE STORMS WERE MOVING NORHTWEST AT
5 MPH.

THE STRONGER STORMS HAVE A HISTORY OF PRODUCING 1/4 TO 1/2 INCH HAIL.

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.
TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION.

IN OPEN AREAS...GO TO A LOW PLACE SUCH AS A RAVINE OR VALLEY.

SKIPPER

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.