Alert archive / Illinois / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 147, NWS Lincoln, IL

August 15, 1993Woodford County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Aug 15, 1993, 8:11 PM CDT for Woodford County, Illinois. It was in force for 49 min.

The area

The counties it named.

The facts

Issued: Aug 15, 1993, 8:11 PM CDT (01:11 UTC)
Expired: Aug 15, 1993, 9:00 PM CDT
In force: 49 min
Issued by: NWS Lincoln, IL
Area: Whole counties

County Woodford County, IL

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 00:00Z, 1.2 hours before the alert went out and 416 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: 649 J/kg
Mixed-layer CIN: -120 J/kg
Mixed-layer LCL: 1446 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 15, 6:02 PM CDT, 2 hours 9 minutes before

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Special weather statement, Aug 15, 7:00 PM CDT, 1 hour 11 minutes before

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Special weather statement, Aug 15, 7:03 PM CDT, 1 hour 8 minutes before

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Special weather statement, Aug 15, 7:09 PM CDT, 1 hour 2 minutes before

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Special weather statement, Aug 15, 8:00 PM CDT, 11 minutes before

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Special weather statement, Aug 15, 8:03 PM CDT, 8 minutes before

ILZ005-006-007-160210-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
800 PM CDT SUN AUG 15 1993

...A TORNADO WATCH IS IN EFFECT UNTIL 9 PM FOR STARK...MARSHALL...
PEORIA AND WOODFORD COUNTIES...

AT 755 PM... THE LEADING EDGE OF A LINE OF STRONG THUNDERSTORMS EXTENDED
FROM BRIMFIELD IN NORTHERN PEORIA COUNTY EASTWARD TO EL PASO IN EASTERN
WOODFORD COUNTY. THE STRONGEST STORM IN THE LINE WAS NEAR EDELSTEIN IN
NORTHERN PEORIA COUNTY. THESE STORMS CONTINUED TO MOVE EAST SOUTHEAST AT
20 TO 25 MPH.

EXPECT THE LINE OF STORMS TO CONTINUE TO SINK SOUTH AND EXTEND ACROSS CENTRAL
PEORIA AND WOODFORD COUNTIES IN THE NEXT HOUR. THE STRONG STORM NEAR EDELSTEIN
WILL MOVE THROUGH ROME IN NORTHEASTERN PEORIA COUNTY AND REACH CAZENOVIA IN
CENTRAL WOODFORD COUNTY THROUGH 9 PM. CONDITIONS REMAIN FAVORABLE FOR SEVERE
THUNDERSTORM DEVELOPMENT WHICH OCCASIONALLY PRODUCE TORNADOES.
                                                               MOGGED

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 15, 8:25 PM CDT	Severe Thunderstorm Warning	ILX	McLean	50 min
Aug 15, 8:53 PM CDT	Severe Thunderstorm Warning	ILX	Tazewell	37 min
Aug 15, 9:47 PM CDT	Flash Flood Warning	ILX	Peoria, Tazewell, Woodford	2 hr
Aug 15, 9:47 PM CDT	Flash Flood Warning	ILX	McLean	2 hr
Aug 15, 10:25 PM CDT	Severe Thunderstorm Warning	ILX	Tazewell	35 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1993 Every 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.