Alert archive / Illinois / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 3, NWS Lincoln, IL

April 25, 1993Coles County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Apr 25, 1993, 1:05 AM CDT for Coles County, Illinois. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
Apr 25, 1993, 1:05 AM CDT (06:05 UTC)
Expired
Apr 25, 1993, 1:30 AM CDT
In force
25 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Coles County, IL

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 00:00Z, 6.1 hours before the alert went out and 276 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 1993-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 158 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 00:00Z on 1993-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
158 J/kg
Mixed-layer CIN
-304 J/kg
Mixed-layer LCL
1187 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
268 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 250605
SVRSPI
ILC029-250630-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD IL
105 AM CDT SUN APR 25 1993

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 130 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE EAST CENTRAL PART OF ILLINOIS
      COLES

    ......TEXT......
  AT 100 AM CDT...MARBLE TO GOLF BALL SIZE HAIL WAS REPORTED 1 MILE
  SOUTHWEST OF MATTOON ILLINOIS...OR ABOUT 35 MILES SOUTHEAST OF
  DECATUR.  THIS STORM WAS MOVING EAST AT 30 MPH.

  THE TOWNS OF MATTOON...CHARLESTON AND ASHMORE ARE IN THE PATH OF
  THIS STORM.

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.

 MCCOY

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, Apr 24, 8:11 PM CDT, 4 hours 54 minutes before
ILZ006-007-009-250300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
810 PM CDT SAT APR 24 1993

...THE THUNDERSTORMS ARE MOVING OUT OF MCLEAN COUNTY...

A LINE OF THUNDERSTORMS EXTENDED FROM GIBSON CITY...35 MILES EAST OF
BLOOMINGTON TO SPRINGFIELD INTO EASTERN MISSOURI.  THE STRONGEST OF THESE
STORMS WAS LOCATED 25 MILES SOUTHEAST OF BLOOMINGTON.  THE STORM IS MOVING TO
THE EAST AT 35 MPH.

THUNDERSTORMS HAVE MOVED OUT OF MCLEAN COUNTY AT 800 PM...HOWEVER THE CONDITIONSREMAIN FAVORABLE FOR THE DEVELOPMENT OF MORE THUNDERSTORMS.

THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MCLEAN COUNTY UNTIL 100 AM
CDT.  PERSONS SHOULD STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADINO AND TV
STATIONS FOR FURTHER STATEMENTS.

BRONIARCZYK
Special weather statement, Apr 24, 9:12 PM CDT, 3 hours 53 minutes before
ILZ006-007-009-250400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
910 PM CDT SAT APR 24 1993

...THE SEVERE THUNDERSTORMS WATCH HAS BEEN CANCELLED FOR MCLEAN COUNTY...

AT 900 PM...RADAR SHOWED THAT A LINE OF PRECIPITATION EXTENDED FROM
CHAMPAIGN TO SPRINGFIELD TO EASTERN MISSOURI.  THE STORM IS MOVING TO THE
EAST AT 35 MPH.

THE SEVERE THUNDERSTORMS WATCH FOR MCLEAN COUNTY HAS BEEN CANCELLED AS THE
THUNDERSTORMS HAVE MOVED TO THE SOUTH OF THAT COUNTY.

CONDITIONS WILL SLOWLY CLEAR UP BECOMING PARTLY CLOUDY.  TEMPERATURES IN
THE LOWER TO MIDDLE 60S WILL FALL INTO THE UPPER 40S FOR THE OVERNIGHT
LOW.

BRONIARCZYK
Special weather statement, Apr 24, 11:26 PM CDT, 1 hour 39 minutes before
ILZ006-007-009-250530-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
1110 PM CDT SAT APR 24 1993

...MORE SHOWERS DEVELOPING ACROSS CENTRAL ILLINOIS...

AT 1100 PM...AN AREA OF RAINFALL HAD DEVELOPED NORTH INTO WEST CENTRAL
ILLINOIS. THE SHOWERS WERE OCCURRING TO THE SOUTH OF A LINE FROM KEOKUK
IOWA TO PEORIA. MOVEMENT OF THE RAIN AREA WAS TO THE EAST NORTHEAST AT
40 MPH.

ALTHOUGH THE HEAVY RAIN AND STRONG THUNDERSTORMS ARE EXPEC2TED TO STAY WELL
TO THE SOUTH OF THE PEORIA AREA... SHOWERS AND A POSSIBLE THUNDERSHOWER
CAN BE EXPECTED ACROSS THE HEART OF ILLINOIS OVER THE NEXT SEVERAL HOURS.

BREESER
Special weather statement, Apr 24, 11:31 PM CDT, 1 hour 34 minutes before
ILZ009-010-250515-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1132 PM CDT SAT APR 24 1993

...STRONG THUNDERSTORMS CONTINUED OVER PARTS OF CENTRAL AND EAST
CENTRAL ILLINOIS...

AT 1130 PM CDT...A LINE OF THUNDERSTORMS...15 MILES WIDE...EXTENDED
FROM ST. LOUIS...NORTHEAST TO 30 MILES SOUTHEAST OF SPRINGFIELD...TO
DANVILLE.  THE LINE OF STORMS WAS MOVING SLOWLY EASTWARD...WITH
INDIVIDUAL STORMS MOVING NORTHEAST AT 35 MPH.

THE STRONGEST STORMS IN THIS LINE WERE 15 MILES NORTHEAST OF
CARLINVILLE...AND 20 MILES SOUTH OF DECATUR...NEAR MOWEAQUA.

DEADLY LIGHTNING...BRIEF HEAVY RAIN...SOME SMALL HAIL AND STRONG
GUSTY WINDS CAN BE EXPECTED WITH THESE STORMS.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF CENTRAL AND
EAST CENTRAL ILLINOIS UNTIL 500 AM.  BE PREPARED TO SEEK COVER IF
SEVERE WEATHER DEVELOPS.  STAY TUNED TO TV AND RADIO...OR NOAA
WEATHER RADIO...FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS.<

MCCOY
Special weather statement, Apr 24, 11:40 PM CDT, 1 hour 25 minutes before
ILZ009-010-250540-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1138 PM CDT SAT APR 24 1993

...UPDATE ON SEVERE THUNDERSTORM WATCHES IN CENTRAL AND EAST CENTRAL
ILLINOIS...

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR CENTRAL AND EAST CENTRAL
ILLINOIS UNTIL 500 AM CDT SUNDAY.

THIS SEVERE THUNDERSTORM WATCH REPLACES THE SEVERE THUNDERSTORM WATCH
ISSUED EARLIER TONIGHT...WHICH HAD BEEN IN EFFECT UNTIL 100 AM FOR
MOST OF CETNTRAL AND EAST CENTRAL ILLINOIS.  THIS WATCH IS NO LONGER
IN EFFECT.

REPEAT...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF CENTRAL
AND EAST CENTRAL ILLINOIS THIS SUNDAY MORNING UNTIL 500 AM CDT.

MCCOY
Special weather statement, Apr 25, 12:57 AM CDT, 8 minutes before
ILZ009-010-250700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1250 AM CDT SUN APR 25 1993

...STRONG THUNDERSTORMS WERE MOVING THROUGH PARTS OF EAST CENTRAL
ILLINOIS...

AT 1245 AM CDT...RADAR INDICATED A NARROW LINE OF STRONG THUNDERSTORMS
EXTENDED FROM 25 MILES SOUTHEAST OF DECATUR NEAR SULLIVAN...TO 10 MILES
NORTH OF EFFINGHAM.   THE STORMS WERE MOVING EAST AT 30 MPH.

THIS LINE OF STORMS WILL MOVE THROUGH ARCOLA AND MATTOON AROUND 130 AM
...AND SHOULD REACH CHARLESTON BETWEEN 145 AND 200 AM.  DEADLY
LIGHTNING...BRIEF HEAVY RAIN...SOME SMALL HAIL AND STRONG GUSTY WINDS
SHOULD BE EXPECTED WITH THE PASSAGE OF THESE STORMS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EvFFECT FOR MOST OF CENTRAL AND
EAST CENTRAL ILLINOIS UNTIL 500 AM CDT.
BE PREPARED TO SEEK COVER IF SEVERE WEATHER DEVELOPS.  STAY TUNED TO
TV AND RADIO...OR NOAA WEATHER RADIO...FOR THE LATEST STATEMENTS AND
POSSIBLE WARNINGS.

AUTEN/MCCOY

Nearby

Severe Thunderstorm Warnings in Illinois, 1993Every severe thunderstorm warning in 1993

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.