Alert archive / Illinois / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 133, NWS Lincoln, IL

July 24, 1996Champaign County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jul 24, 1996, 3:11 PM CDT for Champaign County, Illinois. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 24, 1996, 3:11 PM CDT (20:11 UTC)
Expired: Jul 24, 1996, 4:00 PM CDT
In force: 49 min
Issued by: NWS Lincoln, IL
Area: Whole counties

County Champaign County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.2 hours before the alert went out and 34 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: 129 J/kg
Mixed-layer CIN: -114 J/kg
Mixed-layer LCL: 1143 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 130 m²/s²
0-3 km storm-relative helicity: 154 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.

NWS Lincoln, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 24, 10:03 AM CDT, 5 hours 8 minutes earlier.

Area forecast discussion, Jul 24, 10:03 AM CDT, 5 hours 8 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
1000 AM CDT WED JUL 24 1996

AT 1445Z...88D STILL SHOWING SOME RW/TRW ACTIVITY S OF A MOULTRIE/
DOUGLAS/EDGAR COUNTY LINE.  ALSO...RW/TRW ACTIVITY HAS DEVELOPED
ALONG CF OVER NWRN IL AND SHOULD MOVE INTO CWA IN THE NEXT HOUR OR
SO.

CURRENT ZONES LOOK GOOD...JUST A FEW MINOR ADJUSTMENTS.

PIA  84/59  30
SPI  86/60  32
DEC  85/61  32
CMI  84/60  32
SEIL 86/64  32

BYRD

In the hours before

Special weather statement, Jul 24, 2:10 PM CDT, 1 hour 1 minute before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 23, 10:22 PM CDT	Severe Thunderstorm Warning	ILX	Tazewell	38 min
Jul 23, 10:44 PM CDT	Tornado Warning	ILX	Tazewell	31 min
Jul 24, 12:24 PM CDT	Severe Thunderstorm Warning	ILX	Peoria, Tazewell, Woodford	36 min
Jul 24, 1:04 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Mason, Menard	41 min
Jul 24, 1:10 PM CDT	Severe Thunderstorm Warning	ILX	Logan, McLean	50 min
Jul 24, 1:15 PM CDT	Severe Thunderstorm Warning	ILX	Morgan, Sangamon	60 min
Jul 24, 1:59 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Logan, Macon, Sangamon	46 min
Jul 24, 1:59 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt	46 min
Jul 24, 2:15 PM CDT	Severe Thunderstorm Warning	ILX	Piatt	45 min
Jul 24, 2:34 PM CDT	Severe Thunderstorm Warning	ILX	Champaign	41 min
Jul 24, 3:05 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	55 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1996 Every severe thunderstorm warning in 1996

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.