Alert archive / Illinois / Tornado Warnings in 1993

Tornado Warning 26, NWS Lincoln, IL

August 16, 1993Champaign County, Piatt County, Illinois

NWS Lincoln, IL issued this tornado warning at Aug 16, 1993, 9:40 PM CDT for Champaign County, Piatt County, Illinois. It was in force for 20 min.

The area

The counties it named.

The facts

Issued: Aug 16, 1993, 9:40 PM CDT (02:40 UTC)
Expired: Aug 16, 1993, 10:00 PM CDT
In force: 20 min
Issued by: NWS Lincoln, IL
Area: Whole counties

Counties Champaign County, IL, Piatt County, IL

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 00:00Z, 2.7 hours before the alert went out and 335 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3482 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 1086 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 70 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 170241 COR
TORSPI
ILC147-019-170300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING ...CORRECTED FOR LOCATION...
NATIONAL WEATHER SERVICE SPRINGFIELD IL
940 PM CDT MON AUG 16 1993

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 1000 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES

   IN THE CENTRAL PART OF ILLINOIS
      CENTRAL PIATT...SOUTHWEST CHAMPAIGN

AT 930 PM CDT...PIATT COUNTY EMERGENCY SERVICES REPORTED A TORNADO
3 MILES WEST OF MONTICELLO ON OLD HIGHWAY 47.  RADAR ALSO INDICATES
A POSSIBLE TORNADO WITH THIS STORM.

MONTICELLO...BEMENT AND SADORUS ARE IN THE PATH OF THIS TORNADO.

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING FOR
THE WARNED AREA.

THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO...MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE...AND COVER YOUR HEAD WITH CUSHIONS OR PILLOWS.
IF YOU ARE IN A MOBILE HOME OR VEHICLE...OR IF YOU ARE CAUGHT
OUTSIDE AND A TORNADO IS APPROACHING...SEEK SHELTER IN A NEARBY
REINFORCED BUILDING.  IF NONE IS AVAILABLE...SEEK SHELTER IN A
CULVERT...DITCH OVR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

GEELHART/MCCOY

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

Local storm report, Aug 16, 9:10 PM CDT, 30 minutes before

LOCAL STORM REPORT...UPDATED...
NATIONAL WEATHER SERVICE PEORIA, IL.
910 PM CDT MON AUG 16 1993

REPORTS FOR COUNTY WARNING AREA...BEGINNING 1910 CDT...AUGUST 16 1993

COUNTY     TIME CDT

TAZEWELL.. 1910 CDT HOPEDALE...20 MILES SOUTHEAST OF PEORIA:
                    FUNNEL CLOUD REPORTED BY TRAINED SPOTTER.
TAZEWELL.. 1923 CDT MINIER...23 MILES SOUTHEAST OF PEORIA:
                    SPECIAL OBSERVATION OF HOOK ECHO BY MARSEILLES RADAR IN
                    VICINITY OF MINIER.
MCLEAN.... 1957 CDT HEYWORTH...11 MILES SOUTH OF BLOOMINGTON:
                    REPORT OF GOLFBALL SIZED HAIL FROM MCLEAN COUNTY ESDA.

BUCKNINGHAM/BREESER

Local storm report, Aug 16, 9:13 PM CDT, 27 minutes before

LOCAL STORM REPORT...UPDATED...
NATIONAL WEATHER SERVICE PEORIA, IL.
910 PM CDT MON AUG 16 1993

REPORTS FOR COUNTY WARNING AREA...BEGINNING 1910 CDT...AUGUST 16 1993

COUNTY     TIME CDT

TAZEWELL.. 1910 CDT HOPEDALE...20 MILES SOUTHEAST OF PEORIA:
                    FUNNEL CLOUD REPORTED BY TRAINED SPOTTER.
TAZEWELL.. 1923 CDT MINIER...23 MILES SOUTHEAST OF PEORIA:
                    SPECIAL OBSERVATION OF HOOK ECHO BY MARSEILLES RADAR IN
                    VICINITY OF MINIER.
MCLEAN.... 1957 CDT HEYWORTH...11 MILES SOUTH OF BLOOMINGTON:
                    REPORT OF GOLFBALL SIZED HAIL FROM MCLEAN COUNTY ESDA.

BUCKNINGHAM/BREESER

Special weather statement, Aug 16, 9:28 PM CDT, 12 minutes before

ILZ005-006-007-170330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
930 PM CDT MON AUG 16 1993

...SEVERE THUNDERSTORM WATCH HAS BEEN CAN98O

Local storm report, Aug 16, 9:30 PM CDT, 10 minutes before

LOCAL STORM REPORT ...PRELIMINARY...
NATIONAL WEATHER SERVICE PEORIA IL
930 PM CDT MON AUG 16 1993

REPORTS FOR COUNTY WARNING AREA...BEGINNING 2050 CDT...AUGUST 15 1993

COUNTY     TIME CDT

WOODFORD.. 2050 CDT SPRING BAY 11 MILES NORTH NORTHEAST OF PEORIA:
                    6 INCH TREE DOWN BY WINDS AT WOODFORD COUNTY CONSERVATION
                    AREA. REPORT FROM WOODFORD COUNTY ESDA.

MOGGED/MILLER/STUMETZ

Special weather statement, Aug 16, 9:35 PM CDT, 5 minutes before

ILZ005-006-007-170330-

SPECIAL WEATHER STATEMENT...CORRECTED...
NATIONAL WEATHER SERVICE PEORIA IL
935 PM CDT MON AUG 16 1993

...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELED FOR WEST CENTRAL ILLINOIS...

AT 930 PM CDT...THE THREAT OF SEVERE WEATHER HAD PASSED FOR ALL OF
WEST CENTRAL ILLINOIS. NO PRECIPITATION WAS DETECTED ACROSS THE REGION
AT 930 PM. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO REDEVELOP
OVERNIGHT BUT NONE ARE EXPECTED TO BE SEVERE.

BREESER
/INCLUDE TEXT/

Special weather statement, Aug 16, 9:38 PM CDT, 2 minutes before

ILZ005-006-007-170330-

SPECIAL WEATHER STATEMENT...CORRECTED...
NATIONAL WEATHER SERVICE PEORIA IL
935 PM CDT MON AUG 16 1993

...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELED FOR WEST CENTRAL ILLINOIS...

AT 930 PM CDT...THE THREAT OF SEVERE WEATHER HAD PASSED FOR ALL OF
WEST CENTRAL ILLINOIS. NO PRECIPITATION WAS DETECTED ACROSS THE REGION
AT 930 PM. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO REDEVELOP
OVERNIGHT BUT NONE ARE EXPECTED NTO BE SEVERE.

BREESER
/INCLUDE TEXT/

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 16, 7:15 PM CDT	Tornado Warning	ILX	McLean, Tazewell	30 min
Aug 16, 7:45 PM CDT	Tornado Warning	ILX	DeWitt, McLean	30 min
Aug 16, 8:20 PM CDT	Tornado Warning	ILX	DeWitt	25 min
Aug 16, 8:47 PM CDT	Tornado Warning	ILX	DeWitt, Piatt	28 min
Aug 16, 9:19 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Piatt	21 min
Aug 16, 10:02 PM CDT	Tornado Warning	ILX	Douglas	28 min
Aug 16, 10:10 PM CDT	Tornado Warning	ILX	Champaign	25 min
Aug 17, 4:55 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Shelby	35 min

Nearby

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