Alert archive / Illinois / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 1, NWS Lincoln, IL

February 15, 1992Logan County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Feb 15, 1992, 3:22 AM CST for Logan County, Illinois. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Feb 15, 1992, 3:22 AM CST (09:22 UTC)
Expired
Feb 15, 1992, 4:15 AM CST
In force
53 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, 9.4 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 1992-02-15Temperature 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 00:00Z on 1992-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 556 square meters per square second.1939587897Sfc1 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
556 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
556 m²/s²
0-3 km storm-relative helicity
662 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 150922
SVRSPI
ILC107-151015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD IL
322 AM CST SAT FEB 15 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 415 AM CST FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE CENTRAL PART OF ILLINOIS
      SOUTHERN LOGAN

AT 315 AM CST...SANGAMON COUNTY SHERRIFFS OFFICE REPORTED GOLFBALL
SIZED HAIL AT RIVERTON...5 MILES NORTHEAST OF SPRINGFIELD.

THE THUNDERSTORM WAS MOVING TO THE NORTHEAST AT 45 MPH AND WILL
MOVE THROUGH THE FOLLOWING TOWNS...BUFFALO HART...LAKE FORK AND
MT PULASKI.

IF YOU ARE IN AN AREA THREATENED BY THE STORM..GO TO A REINFORCED
SHELTER AND PREPARE FOR DAMAGING WIND...LARGE HAIL...VERY HEAVY
RAIN AND DANGEROUS LIGHTNING.

INTENSE LIGHTNING IS REPORTED WITH THIS STORM. IF OUTDOORS...
STAY AWAY FROM HIGH OBJECTS. MOVE INDOORS IF POSSIBLE. WHEN
INDOORS...STAY AWAY FROM WINDOWS AND DOORS. AVOID USING TELEPHONES
AND ELECTRICAL EQUIPIMENT UNLESS IN AN EMERGENCY.  MOTORISTS SHOULD
NOT DRIVE INTO LOW WATER CROSSINGS.

 ATTN ISP DIST...9
 BYRD

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, Feb 14, 9:46 PM CST, 5 hours 36 minutes before
ILZ009-010-150500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
9 45 PM CST FRI FEB 14 1992

...STRONG THUNDERSTORMS OVER CENTRAL ILLINOIS...

AT 9 40 PM CST...WEATHER RADARS INDICATED AN AREA OF SHOWERS AND
THUNDERSTORMS OVER WESTERN AND PORTIONS OF CENTRAL ILLINOIS. THE
STORMS WERE WEST OF A LINE FROM 15 MILES NORTHWEST OF PEORIA NEAR
BRIMFIELD ILLINOIS TO ST.LOUIS MISSOURI.

AT 925 PM CST MORGAN COUNTY SHERIFF REPORTED SMALL HAIL...GUSTY WINDS
AND HEAVY RAINFALL AT MEREDOSIA AND AT 9 32 PM CST MORGAN COUNTY
SHERRIFF REPORTED MARBLE SIZE HAIL AT WINCHESTER ILLINOIS.

THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MPH.

THE STRONGEST THUNDERSTORMS WILL LIKELY PRODUCE...BRIEF HEAVY RAINFALL
...HAIL AND STRONG AND GUSTY WINDS. PERSONS ARE ADVISED TO BE ON THE

ALERT FOR THESE CONDITIONS AND TAKE NECESSARY SAFETY PRECAUTIONS.

HILLIARD
Special weather statement, Feb 14, 10:15 PM CST, 5 hours 7 minutes before
ILZ005>007-009-150500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
1015 PM CST FRI FEB 14 1992

...THUNDERSTORMS WITH SMALL HAIL OCCURRING OVER CENTRAL ILLINOIS...

AT 1010 PM... RADAR INDICATED A BAND OF THUNDERSTORMS AND OCCASIONALLY HEAVY
RAIN EXTENDING FROM THE PEORIA VICINITY SOUTHWARD THROUGH GLASFORD AND MASON
CITY.  THE THUNDERSTORMS HAVE BEEN MOVING TO THE NORTHEAST AT 30 MPH.

SMALL HAIL WAS REPORTED IN FULTON COUNTY NEAR AVON AND LEWISTON AT ABOUT
9:45 PM... AND VERY SMALL HAIL WAS FALLING IN THE PEORIA AREA AT ABOUT 10
TO 10:10 PM.  WINDS HAVE BEEN GUSTING UP TO ABOUT 25 MPH.

THE RAINFALL MAY BECOME HEAVY... WITH THE POSSIBILITY OF BRIEF FLOODING
OF LOW LYING; AREAS NORMALLY PRONE TO FLOODING. THESE THUNDERSTORMS SHOULD
MOVE PAST THE PEORIA AREA INTO TAZEWELL AND WOODFORD COUNTIES BY 10:30 PM.

JACOBS
Special weather statement, Feb 14, 11:01 PM CST, 4 hours 21 minutes before
ILZ009-010-150600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1100 PM CST FRI FEB 14 1992

...STRONG THUNDERSTORMS ACROSS CENTRAL ILLINOIS...

AT 1055 PM CST...WEATHER RADARS INDICATED AN AREA OF SHOWERS AND
THUNDERSTORMS OVER CENTRAL AND EAST CENTRAL ILLINOIS. THE STORMS WERE
EAST OF A LINE FROM 40 MILES NORTHWEST OF PEORIA NEAR GALESBURG TO
20 MILES NORTHEAST OF QUINCY NEAR CLAYTON TO 15 MILES NORTH OF
ST.LOUIS MISSOURI NEAR GRAFTON ILLINOIS.

THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 45 MPH.

THE STRONGEST THUNDERSTORMS WILL LIKELY PRODUCE...BRIEF HEAVY RAINFALL
...HAIL AND STRONG AND GUSTY WINDS. PERSONS ARE ADVISED TO BE ON THE
ALERT FOR THESE CONDITIONS AND TAKE NECESSARY SAFETY PRECAUTIONS.

HILLIARD
Special weather statement, Feb 14, 11:08 PM CST, 4 hours 14 minutes before
ILZ005>007-009-150600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
1100 PM CST FRI FEB 14 1992

...SHOWERS AND THUNDERSTORMS DECREASING IN INTENSITY...

AT 1055 PM... SHOWERS AND THUNDERSTORMS CONTINUED ACROSS WEST CENTRAL
ILLINOIS BUT APPEARED TO BE DISSIPATING. MOST OF THE REMAINING ACTIVITY
WAS OCCURRING TO THE EAST OF A LINE FROM BRADFORD TO QUINCY.

A FEW ISOLATED AREAS OF HEAVY RAIN AND POSSIBLY SOME VERY SMALL HAIL
REMAINED IN TAZEWELL AND MASON COUNTIES. MOVEMENT OF THE SHOWERS AND
STORMS CONTINUED TO BE TO THE NORTHEAST AT AROUND 25 MPH.

BREESER

Nearby

Severe Thunderstorm Warnings in Illinois, 1992Every severe thunderstorm warning in 1992

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.