Alert archive / Illinois / Tornado Warnings in 1993

Tornado Warning 1, NWS Lincoln, IL

May 11, 1993Henderson County, Illinois

NWS Lincoln, IL issued this tornado warning at May 11, 1993, 4:59 PM CDT for Henderson County, Illinois. It was in force for 16 min.

The area

The counties it named.

The facts

Issued
May 11, 1993, 4:59 PM CDT (21:59 UTC)
Expired
May 11, 1993, 5:15 PM CDT
In force
16 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Henderson County, IL

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.0 hours before the alert went out and 450 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, Topeka, KS at 12:00Z on 1993-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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, Topeka, KS at 12:00Z on 1993-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
3 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
619 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
84 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 112159
TORPIA
ILC071-112215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE PEORIA IL
459 PM CDT TUE MAY 11 1993

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 515 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE WEST CENTRAL PART OF ILLINOIS
      HENDERSON

AT 456 PM...A POSSIBLE TORNADO WAS REPORTED NEAR STRONGHURST
14 MILES EAST OF BURLINGTON.

THE TORNADO WAS MOVING THE THE NORTHWEST AT 30 MPH.

TOWNS IN THE PATH OF THE TORNADO INCLUDE OLENA AND GULFPORT.

IF YOU ARE IN THE PATH OF THIS TORNADO...GO TO A BASEMENT SHELTER
IF AVAILABLE...OTHERWISE TO A CENTRAL INTERIOR ROOM ON THE LOWEST
FLOOR.  ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING.


MILLER

What forecasters said that day

The local office's own words before this tornado 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, May 11, 3:14 PM CDT, 1 hour 45 minutes before
ILZ009-102115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
310 PM CDT TUE MAY 11 1993

AT 308 PM CDT...WEATHER RADAR INDICATED A VERY STRONG THUNDERSTORM
5 MILES NORTH OF TAYLORVILLE...OR ABOUT 30 MILES SOUTHEAST OF
SPRINGFIELD.  OTHER STRONG STORMS WERE IN SOUTH MACOUPIN COUNTY...OR
ABOUT 40 MILES SOUTH OF SPRINGFIELD.

THE THUNDERSTORMS WERE MOVING TO THE NORTHWEST AROUND 35 MPH.

REMEMBER...THESE STORMS MAY PRODUCE FREQUENT DANGEROUS LIGHTNING...VERY
HEAVY RAIN...SMALL HAIL...AND STRONG GUSTY WINDS.

SKIPPER
Special weather statement, May 11, 4:00 PM CDT, 59 minutes before
ILZ006-007-009-122200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
400 PM CDT TUE MAY 11 1993

...SEVERE THUNDERSTORM WATCH FOR TAZEWELL AND MCLEAN COUNTIES...

SCATTERED THUNDERSTORMS WERE ONCE AGAIN DEVELOPING IN MCLEAN COUNTY AT
4 PM. ONE SMALL STORM WAS NEAR COLFAX WHILE ANOTHER WAS NEAR DANVERS. THESE
STORMS WERE SINKING SOUTH SOUTHEAST AT 10 TO 15 MPH. THESE THUNDERSTORMS MAY
INTENSIFY AS THEY MOVE FURTHER SOUTH. A SEVERE THUNDERSTORM WATCH MEANS
CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS WHICH
PRODUCE LARGE HAIL... GUSTY WINDS AND DEADLY LIGHTNING.

ALSO.. A THUNDERSTORM HAD DEVELOPED JUST EAST OF RUSHVILLE IN SCHUYLER COUNTY
WHICH WAS MOVING SOUTH AT 10 MPH. THIS STORM MAY PRODUCE SMALL HAIL.

STAY TUNED TO NOAA WEATHER RADIO ON A FREQUENCY OF 162.475 MEGAHERTZ OR
LOCAL TELEVISION OR RADIO FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS.
MOGGED
Special weather statement, May 11, 4:11 PM CDT, 48 minutes before
ILZ009-102210-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
405 PM CDT TUE MAY 11 1993

AT 403 PM CDT...WEATHER RADAR INDICATED SCATTERED THUNDERSTORMS ACROSS
MUCH OF CENTRAL ILLINOIS.  THE STRONGEST STORMS WERE IN A LINE FROM
5 MILES WEST OF MATOON TO GIRARD...OR ABOUT 60 MILES SOUTHEAST TO
30 MILES SOUTH OF SPRINGFIELD.

THE THUNDERSTORMS WERE MOVING TO THE NORTHWEST AROUND 35 MPH.

REMEMBER...THESE STORMS MAY PRODUCE FREQUENT DANGEROUS LIGHTNING...VERY
HEAVY RAIN...SMALL HAIL...AND STRONG GUSTY WINDS.

SKIPPER
Special weather statement, May 11, 4:20 PM CDT, 39 minutes before
ILZ005-006-007-009-112230-

SPECIAL WEATHER STATEMENT...CORRECTION...
NATIONAL WEATHER SERVICE PEORIA IL
420 PM CDT TUE MAY 11 1993

...STRONG THUNDERSTORMS ARE FLARING UP AGAIN IN WESTERN ILLINOIS...

SCATTERED THUNDERSTORMS WERE RAPIDLY DEVELOPING IN PART OF WESTERN
AND CENTRAL ILLINOIS ALONG AND SOUTH OF A LINE FROM BURLINGTON TO
5 MILES SOUTHWEST OF PEORIA TO 15 MILES SOUTHWEST OF BLOOMINGTON AT
415 PM. SOME STRONG STORMS WITH VERY HEAVY RAIN...DEADLY LIGHTNING
AND POSSIBLY SMALL HAIL WERE LOCATED IN WESTERN HENDERSON COUNTY 5
MILES EAST OF BURLINGTON...AND NEAR RUSHVILLE.

ALL OF THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE NORTHWEST
AT 30 MPH AND WILL CONTINUE WITHIN THE SAME GENERAL AREA THROUGH
530 PM.

REMEMBER...IF YOU ARE CAUGHT OUTDOORS DURING A THUNDERSTORM SEEK
SHELTER INDOORS. STAY AWAY FROM TREES...WATER AND METAL OBJECTS
BECAUSE LIGHTNING KILLS.

MILLER
/CORRECTION TO FIRST SENTENCE./
Special weather statement, May 11, 4:23 PM CDT, 36 minutes before
ILZ005-006-007-009-112230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
420 PM CDT TUE MAY 11 1993

...STRONG THUNDERSTORMS ARE FLARING UP AGAIN IN WESTERN ILLINOIS...

SCATTERED THUNDERSTORMS WERE RAPIDLY DEVELOPING IN PART OF WESTERN
AND CENTRAL ILLINOIS ALONG AND SOUTH OF A LINE FROM BURLINGTON TO
5 MILES SOUTHWEST OF PEORIA TO 15 MILES SOUTHWEST OF BLOOMINGTON.
SOME STRONG STORMS WITH VERY HEAVY RAIN...DEADLY LIGHTNING AND POSSIBLY
SMALL HAIL WERE LOCATED IN WESTERN HENDERSON COUNTY 5 MILES EAST OF
BURLINGTON...AND NEAR RUSHVILLE.

ALL OF THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE NORTHWEST
AT 30 MPH AND WILL CONTINUE WITHIN THE SAME GENERAL AREA THROUGH
530 PM.

REMEMBER...IF YOU ARE CAUGHT OUTDOORS DURING A THUNDERSTORM SEEK
SHELTER INDOORS. STAY AWAY FROM TREES...WATER AND METAL OBJECTS
BECAUSE LIGHTNING KILLS.

MILLER
Special weather statement, May 11, 4:25 PM CDT, 34 minutes before
ILZ005-006-007-009-112230-

SPECIAL WEATHER STATEMENT...CORRECTION...
NATIONAL WEATHER SERVICE PEORIA IL
420 PM CDT TUE MAY 11 1993

...STRONG THUNDERSTORMS ARE FLARING UP AGAIN IN WESTERN ILLINOIS...

SCATTERED THUNDERSTORMS WERE RAPIDLY DEVELOPING IN PART OF WESTERN
AND CENTRAL ILLINOIS ALONG AND SOUTH OF A LINE FROM BURLINGTON TO
5 MILES SOUTHWEST OF PEORIA TO 15 MILES SOUTHWEST OF BLOOMINGTON AT
415 PM. SOME STRONG STORMS WITH VERY HEAVY RAIN...DEADLY LIGHTNING
AND POSSIBLY SMALL HAIL WERE LOCATED IN WESTERN HENDERSON COUNTY 5
MILES EAST OF BURLINGTON...AND NEAR RUSHVILLE.

ALL OF THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE NORTHWEST
AT 30 MPH AND WILL CONTINUE WITHIN THE SAME GENERAL AREA THROUGH
530 PM.

REMEMBER...IF YOU ARE CAUGHT OUTDOORS DURING A THUNDERSTORM SEEK
SHELTER INDOORS. STAY AWAY FROM TREES...WATER AND METAL OBJECTS
BECAUSE LIGHTNING KILLS.

MILLER
/CORRECTION TO FIRST SENTENCE./

Nearby

Tornado Warnings in Illinois, 1993Every tornado warning in 1993Tornadoes 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.