Alert archive / Illinois / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 169, NWS Lincoln, IL

August 23, 1993Tazewell County, Woodford County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Aug 23, 1993, 6:11 PM CDT for Tazewell County, Woodford County, Illinois. It was in force for 64 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 23, 1993, 6:11 PM CDT (23:11 UTC)
Expired
Aug 23, 1993, 7:15 PM CDT
In force
64 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Tazewell County, IL, Woodford County, IL

What was reported inside it

TimeReportWhereRemark
Aug 23, 6:45 PM CDTTornado F1Minier, ILA woman photographed a narrow tornado on the ground in an open field. As it approached it lifted. No damage was reported.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 11.2 hours before the alert went out and 402 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 1993-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2053 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 1993-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
2053 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
960 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
-10 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Aug 23, 3:24 PM CDT, 2 hours 47 minutes before
ILZ005-006-007-232200-

SPECIAL WEATHER STATEMEN
NATIONAL WEATHER SERVICE PEORIA IL
323 PM CDT MON AUG 23 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF WEST CENTRAL
AND CENTRAL ILLINOIS UNTIL 900 PM CDT...

AT 320 PM CDT...RADAR INDICATED RAPID DEVELOPMENT OF THUNDERSTORMS AND
RAINSHOWERS OVER WEST CENTRAL ILLINOIS...WEST OF A LINE FROM QUINCY TO
MOLINE.  THESE STORMS COULD BRING BRIEF PERIODS OF HEAVY RAINFALL...
FREQUENT DANGEROUhS LIGHTNING...AND STRONG WINDS. MOVEMENT WAS NORTHEAST
AT 30 MPH.

STAY TUNED TO YOUR FAVORITE WEATHER INFORMATION SOURCE FOR ADDITIONAL
STATEMENTS AND POSSIBLE WARNINGS.

BUCKINGHAM
Special weather statement, Aug 23, 4:13 PM CDT, 1 hour 58 minutes before
ILZ009-232200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
4 12 PM CDT MON AUG 23 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF CENTRAL
ILLINOIS UNTIL 9 PM CDT...

AT 410 PM CDT...SCATTERED THUNDERSTORMS EXTENDED FROM JUST EAST OF
MOLINE...TO 30 MILES WEST OF PEORIA...TO WEST OF ST. LOUIS.  THE
STRONGEST STORMS WERE LOCATED 60 MILES NORTHWEST OF SPRINGFIELD...AND
20 MILES SOUTHEAST OF QUINCY.  MOVEMENT WAS EAST AT 30 MPH.

SCATTERED THUNDERSTORMS SHOULD REACH CASS AND MORGAN COUNTIES IN
CENTRAL ILLINOIS BY 5 PM.  SOME OF THESE STORMS MAY BECOME SEVERE.

STAY TUNED TO YOUR FAVORITE WEATHER INFORMATION SOURCE FOR ADDITIONAL
STATEMENTS AND POSSIBLE WARNINGS.

MCCOY
Special weather statement, Aug 23, 4:22 PM CDT, 1 hour 49 minutes before
ILZ005-006-007-232300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
422 PM CDT MON AUG 23 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF WEST CENTRAL
AND CENTRAL ILLINOIS UNTIL 900 PM CDT...

AT 420 PM CDT...THUNDERSTORMS WERE DEVELOPING RAPIDLY ACROSS WEST CENTRAL
AND CENTRAL ILLINOIS...MOSTLY WEST OF A LINE FROM CANTON...IN FULTON
COUNTY...AND EXTENDING TO THE SOUTHWEST PAST FREDERICK...IN SCHUYLER
COUNTY.  THESE STORMS COULD BRING BRIEF PERIODS OF HEAVY RAINFALL...
FREQUENT DANGEROUS LIGHTNING...AND STRONG WINDS.  MOVEMENT WAS NORTHEAST
AT 35 MPH.

STAY TUNED TO YOUR FAVORITE WEATHER INFORMATION SOURCE FOR ADDITIONAL
STATEMENTS AND POSSIBLE WARNINGS.

BUCKINGHAM

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Special weather statement, Aug 23, 4:22 PM CDT, 1 hour 49 minutes before
ILZ005-006-007-232300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
422 PM CDT MON AUG 23 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF WEST CENTRAL
AND CENTRAL ILLINOIS UNTIL 900 PM CDT...

AT 420 PM CDT...THUNDERSTORMS WERE DEVELOPING RAPIDLY ACROSS WEST CENTRAL
AND CENTRAL ILLINOIS...MOSTLY WEST OF A LINE FROM CANTON...IN FULTON
COUNTY...AND EXTENDING TO THE SOUTHWEST PAST FREDERICK...IN SCHUYLER
COUNTY.  THESE STORMS COULD BRING BRIEF PERIODS OF HEAVY RAINFALL...
FREQUENT DANGEROUS LIGHTNING...AND STRONG WINDS.  MOVEMENT WAS NORTHEAST
AT 35 MPH.

STAY TUNED TO YOUR FAVORITE WEATHER INFORMATION SOURCE FOR ADDITIONAL
STATEMENTS AND POSSIBLE WARNINGS.

BUCKINGHAM

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Special weather statement, Aug 23, 5:11 PM CDT, 1 hour before
ILZ009-232300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
5 11 PM CDT MON AUG 23 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF CENTRAL
ILLINOIS UNTIL 9 PM CDT...

AT 510 PM CDT...A LINE OF STRONG THUNDERSTORMS WAS MOVING INTO CENTRAL
ILLINOIS...AND EXTENDED FROM 30 MILES NORTH OF BLOOMINGTON...TO 45
MILES WEST OF SPRINGFIELD...TO THE ST. LOUIS AREA.  MOVEMENT WAS EAST
AT 25 MPH.

THE MOST INTENSE STORMS WERE LOCATED 45 MILES WEST AND NORTHWEST OF
SPRINGFIELD NEAR BEARDSTOWN AND MEREDOSIA.  STRONG GUSTY WINDS...
DANGEROUS LIGHTNING...HEAVY RAIN...AND SOME SMALL HAIL SHOULD BE
EXPECTED WITH THE STRONGER STORMS AS THEY MOVE ACROSS CASS AND MORGAN
COUNTIES TO NEAR VIRGINIA AND JACKSONVILLE BETWEEN 530 AND 600 PM.

STAY TUNED TO YOUR FAVORITE WEATHER INFORMATION SOURCE FOR ADDITIONAL
STATEMENTS AND POSSIBLE WARNINGS.

MCCOY
Special weather statement, Aug 23, 5:52 PM CDT, 19 minutes before
ILZ009-232345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
5 51 PM CDT MON AUG 23 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF CENTRAL
ILLINOIS UNTIL 9 PM CDT...

AT 550 PM CDT...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM 30 MILES
NORTH OF BLOOMINGTON...TO NORTHWEST OF SPRINGFIELD NEAR ASHLAND...TO
ST. LOUIS.  MOVEMENT WAS EAST AT 25 MPH.

THE HEAVIEST STORMS IN THIS LINE WERE LOCATED 28 MILES NORTHWEST AND
45 MILES WEST OF SPRINGFIELD.  WIND GUSTS TO 50 MPH...DANGEROUS
LIGHTNING...HEAVY RAIN...AND SOME HAIL SHOULD BE EXPECTED AS THIS
LINE OF STORMS MOVES ACROSS MORGAN AND MENARD COUNTIES THROUGH 630 PM.

IF YOU ARE IN THE PATH OF THESE STORMS...MOVE INSIDE A STRONG
BUILDING AND STAY AWAY FROM WINDOWS.  STAY TUNED TO YOUR FAVORITE
WEATHER INFORMATION SOURCE FOR ADDITIONAL STATEMENTS AND POSSIBLE
WARNINGS.

THE STORMS SHOULD MOVE TO A LINCOLN...SPRINGFIELD...CARLINVILLE LINE
BY AROUND 7 PM.

MCCOY

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 4:35 PM CDTSevere Thunderstorm WarningILXPeoria55 min
Aug 23, 4:53 PM CDTSevere Thunderstorm WarningILXFulton37 min
Aug 23, 4:53 PM CDTSevere Thunderstorm WarningILXWoodford67 min
Aug 23, 5:12 PM CDTSevere Thunderstorm WarningILXTazewell63 min
Aug 23, 5:41 PM CDTSevere Thunderstorm WarningILXDeKalb49 min
Aug 23, 5:58 PM CDTSevere Thunderstorm WarningILXMason62 min
Aug 23, 6:25 PM CDTSevere Thunderstorm WarningILXMarshall, Putnam65 min
Aug 23, 6:35 PM CDTSevere Thunderstorm WarningILXMcLean55 min
Aug 23, 6:47 PM CDTFlash Flood WarningILXTazewell, Woodford118 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.