Alert archive / Illinois / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 71, NWS Lincoln, IL

June 24, 1993Hancock County, Henderson County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 24, 1993, 3:49 PM CDT for Hancock County, Henderson County, Illinois. It was in force for 56 min.

The area

The counties it named.

The facts

Issued: Jun 24, 1993, 3:49 PM CDT (20:49 UTC)
Expired: Jun 24, 1993, 4:45 PM CDT
In force: 56 min
Issued by: NWS Lincoln, IL
Area: Whole counties

Counties Hancock County, IL, Henderson County, IL

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 8.8 hours before the alert went out and 431 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: 1579 J/kg
Mixed-layer CIN: -120 J/kg
Mixed-layer LCL: 795 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 318 m²/s²
0-3 km storm-relative helicity: 328 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, Jun 24, 1:37 PM CDT, 2 hours 12 minutes before

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Special weather statement, Jun 24, 2:55 PM CDT, 54 minutes before

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Special weather statement, Jun 24, 3:00 PM CDT, 49 minutes before

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Special weather statement, Jun 24, 3:03 PM CDT, 46 minutes before

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Special weather statement, Jun 24, 3:13 PM CDT, 36 minutes before

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Special weather statement, Jun 24, 3:45 PM CDT, 4 minutes 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
Jun 24, 11:59 AM CDT	Severe Thunderstorm Warning	ILX	Henderson	28 min
Jun 24, 11:59 AM CDT	Severe Thunderstorm Warning	ILX	Warren	46 min
Jun 24, 12:41 PM CDT	Severe Thunderstorm Warning	ILX	Knox	34 min
Jun 24, 1:05 PM CDT	Severe Thunderstorm Warning	ILX	McDonough	40 min
Jun 24, 1:08 PM CDT	Severe Thunderstorm Warning	ILX	Bureau, Stark	67 min
Jun 24, 1:30 PM CDT	Severe Thunderstorm Warning	ILX	Fulton	45 min
Jun 24, 1:32 PM CDT	Severe Thunderstorm Warning	ILX	Marshall, Putnam	58 min
Jun 24, 6:18 PM CDT	Severe Thunderstorm Warning	ILX	McDonough	117 min
Jun 24, 6:19 PM CDT	Severe Thunderstorm Warning	ILX	Hancock, Henderson	56 min
Jun 24, 6:42 PM CDT	Severe Thunderstorm Warning	ILX	Warren	48 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.