Alert archive / Illinois / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 7, NWS Lincoln, IL

May 10, 1993Fulton County, Mason County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 10, 1993, 3:49 PM CDT for Fulton County, Mason County, Illinois. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
May 10, 1993, 3:49 PM CDT (20:49 UTC)
Expired
May 10, 1993, 4:45 PM CDT
In force
56 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Fulton County, IL, Mason County, IL

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 8.8 hours before the alert went out and 384 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 1993-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 181 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 12:00Z on 1993-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.1939Sfc1 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
181 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
1001 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
67 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 KPIA 102051 RRA
SVRPIA
ILC125-057-102145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEORIA IL
349 PM CDT MON MAY 10 1993
 
THE NATIONAL WEATHER SERVICE IN PEORIA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  445 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL ILLINOIS
 
   ...WESTERN MASON COUNTY
 
IN WEST CENTRAL ILLINOIS
 
   ...FULTON COUNTY
 
AT 347 PM...RADAR INDICATED A SEVERE THUNDERSTORM OVER WESTERN MASON
COUNTY NEAR KILBOURNE...30 MILES NORTHWEST OF SPRINGFIELD. THIS STORM
WAS MOVING TO THE NORTH AT 30 MPH. TOWNS IN THE PATH OF THE STORM
INCLUDE HAVANA...LEWISTOWN AND CANTON. THE STORM WILL REACH CANTON
BETWEEN 430 AND 445.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
BREESER

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, May 10, 2:55 PM CDT, 54 minutes before
ILZ005-006-007-009-102100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
255 PM CDT MON MAY 10 1993

...THUNDERSTORM DEVELOPMENT IN EASTERN FULTON COUNTY...

AT 250 PM CDT...A STRONG THUNDERSTORM...POSSIBLY PRODUCING VERY HEAVY RAIN...
SMALL HAIL AND GUSTY WINDS...WAS DETECTED IN EASTERN FULTON COUNTY NEAR
BRYANT...22 MILES SOUTHWEST OF PEORIA. ANOTHER STRONG THUNDERSTORM WAS
OCCURRING JUST TO THE EAST OF DELAVAN...21 MILES SOUTH SOUTHEAST OF PEORIA.
MOVEMENT CONTINUED TO BE TO THE NORTH AT 40 MPH.

ALTHOUGH NEITHER OF THESE STORMS CAN YET BE CONSIDERED SEVERE...CONDITIONS
REMAIN FAVORABLE FOR THE DEVELOPMENT OF SEVERE WEATHER. A SEVERE
THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF CENTRAL AND NORTHERN
ILLINOIS. PERSONS SHOULD REMAIN ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS
AND STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO AND TV STATIONS FOR
FURTHER STATEMENTS OR POSSIBLE WARNINGS.
BREESER
Special weather statement, May 10, 2:56 PM CDT, 53 minutes before
ILZ005-006-007-009-102100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
255 PM CDT MON MAY 10 1993

...THUNDERSTORM DEVELOPMENT IN EASTERN FULTON COUNTY...

AT 250 PM CDT...A STRONG THUNDERSTORM...POSSIBLY PRODUCING VERY HEAVY RAIN...
SMALL HAIL AND GUSTY WINDS...WAS DETECTED IN EASTERN FULTON COUNTY NEAR
BRYANT...22 MILES SOUTHWEST OF PEORIA. ANOTHER STRONG THUNDERSTORM WAS
OCCURRING JUST TO THE EAST OF DELAVAN...21 MILES SOUTH SOUTHEAST OF PEORIA.
MOVEMENT CONTINUED TO BE TO THE NORTH AT 40 MPH.

ALTHOUGH NEITHER OF THESE STORMS CAN YET BE CONSIDERED SEVERE...CONDITIONS
REMAIN FAVORABLE FOR THE DEVELOPMENT OF SEVERE WEATHER. A SEVERE
THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF CENTRAL AND NORTHERN
ILLINOIS. PERSONS SHOULD REMAIN ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS
AND STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO AND TV STATIONS FOR
FURTHER STATEMENTS OR POSSIBLE WARNINGS.
BREESER
Special weather statement, May 10, 3:36 PM CDT, 13 minutes before
ILZ009-102130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
335 PM CDT MON MAY 10 1993

AT 330 PM CDT...WEATHER RADAR INDICATED A LINE OF VERY STRONG THUNDER/
STORMS THAT EXTENDED FROM 30 MILES NORTHWEST OF SPRINGFIELD TO JUST
WEST OF SPRINGFIELD TO 35 MILES NORTHEAST OF ST LOUIS MISSOURI.  THE
STORMS WERE MOVING TO THE NORTH AT 30 MILES AN HOUR.

THE STRONGEST STORMS WERE LOCATED 15 MILES NORTHWEST OF SPRINGFIELD
AND 15 MILES SOUTHWEST OF SPRINGFIELD.

ANOTHER LINE OF STRONG THUNDERSTORMS EXTENDED FROM 20 MILES SOUTHEAST
OF SPRINGFIELD TO VANDALIA.  THE STRONGEST STORMS WERE LOCATED NEAR
TAYLORVILLE...30 MILES SOUTHEAST OF SPRINGFIELD AND JUST NORTH OF
VANDALIA.

RTEMEMBER...THESE STORMS MAY PRODUCE FREQUENT DANGEROUS LIGHTNING...VERY
HEAVY RAIN...SMALL HAIL...AND STRONG GUSTY WINDS.
Special weather statement, May 10, 3:40 PM CDT, 9 minutes before
ILZ005-006-007-009-102130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
340 PM CDT MON MAY 10 1993

...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A PORTION OF WEST CENTRAL
ILLINOIS...

AT 335 PM CDT...SHOWERS AND A FEW THUNDERSTORMS CONTINUED MAINLY WEST OF
A LINE FROM SPRINGFIELD TO LA SALLE. THE HEAVIEST PRECIPITATION WAS DETECTED
OVER NORTHERN PEORIA COUNTY NEAR DUNLAP. NO SEVERE WEATHER HAS YET BEEN
DETECTED WITH THESE STORMS. MOVEMENT WAS TO THE NORTH AT 40 MPH.

THUNDERSTORM DEVELOPMENT CAN BE EXPECTED TO CONTINUE OVER THE NEXT SEVERAL
HOURS ACROSS WEST CENTRAL ILLINOIS. A SEVERE THUNDERSTORM WATCH REMAINS IN
EFFECT FOR BUREAU...PUTNAM...HENDERSON...WARREN...KNOX...TAZEWELL...MARSHALL
...PEORIA AND WOODFORD COUNTIES. PERSONS IN THE AFFECTRED AREA SHOULD REMAIN
ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. STAY TUNED TO NOAA WEATHER
RADIO OR LOCAL RADIO AND TV STATIONS FOR LATER STATEMENTS OR POSSIBLE
WARNINGS.                                                  BREESER
Special weather statement, May 10, 3:40 PM CDT, 9 minutes before
ILZ009-102130-

SPECIAL WEATHER STATEMENT...CORRECTION TO ADD LAST PARAGRAPH...
NATIONAL WEATHER SERVICE SPRINGFIELD IL
338 PM CDT MON MAY 10 1993

AT 335 PM CDT...WEATHER RADAR INDICATED A LINE OF VERY STRONG THUNDER/
STORMS THAT EXTENDED FROM 30 MILES NORTHWEST OF SPRINGFIELD TO JUST
WEST OF SPRINGFIELD TO 35 MILES NORTHEAST OF ST LOUIS MISSOURI.  THE
STORMS WERE MOVING TO THE NORTH AT 30 MILES AN HOUR.

THE STRONGEST STORMS WERE LOCATED 15 MILES NORTHWEST OF SPRINGFIELD
AND 15 MILES SOUTHWEST OF SPRINGFIELD.

ANOTHER LINE OF STRONG THUNDERSTORMS EXTENDED FROM 20 MILES SOUTHEAST
OF SPRINGFIELD TO VANDALIA.  THE STRONGEST STORMS WERE LOCATED NEAR
TAYLORVILLE...30 MILES SOUTHEAST OF SPRINGFIELD AND JUST NORTH OF
VANDALIA.  THESE STORMS WERE ALSO MOVING TO THE NORTH AT 30 MPH.

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

WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG
BUILDING.  DO NOT STAND BY WINDOWS AND DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS
PASSED.

LISTEN TO RADIO...TV OR NOAA WEATHER RADIO FOR FURTHER STATEMENTS.
d
BYRD
Special weather statement, May 10, 3:42 PM CDT, 7 minutes before
ILZ005-006-007-009-102130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
340 PM CDT MON MAY 10 1993

...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A PORTION OF WEST CENTRAL
ILLINOIS...

AT 335 PM CDT...SHOWERS AND A FEW THUNDERSTORMS CONTINUED MAINLY WEST OF
A LINE FROM SPRINGFIELD TO LA SALLE. THE HEAVIEST PRECIPITATION WAS DETECTED
OVER NORTHERN PEORIA COUNTY NEAR DUNLAP. NO SEVERE WEATHER HAS YET BEEN
DETECTED WITH THESE STORMS. MOVEMENT WAS TO THE NORTH AT 40 MPH.

THUNDERSTORM DEVELOPMENT CAN BE EXPECTED TO CONTINUE OVER THE NEXT SEVERAL
HOURS ACROSS WEST CENTRAL ILLINOIS. A SEVERE THUNDERSTORM WATCH REMAINS IN
EFFECT FOR BUREAU...PUTNAM...HENDERSON...WARREN...KNOX...TAZEWELL...MARSHALL
...PEORIA AND WOODFORD COUNTIES. PERSONS IN THE AFFECTRED AREA SHOULD REMAIN
ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. STAY TUNED TO NOAA WEATHER
RADIO OR LOCAL RADIO AND TV STATIONS FOR LATER STATEMENTS OR POSSIBLE
WARNIlNGS.                                                  BREESER

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 3:47 PM CDTSevere Thunderstorm WarningILXLee, Ogle43 min
May 10, 3:47 PM CDTSevere Thunderstorm WarningILXLee, Ogle17 min

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.