Alert archive / Kentucky / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 22, NWS Wilmington, OH

April 20, 1996Boone County, Kentucky

NWS Wilmington, OH issued this severe thunderstorm warning at Apr 20, 1996, 3:01 AM EDT for Boone County, Kentucky. It was in force for 29 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: Apr 20, 1996, 3:01 AM EDT (07:01 UTC)
Expired: Apr 20, 1996, 3:30 AM EDT
In force: 29 min
Issued by: NWS Wilmington, OH
Area: Whole counties

County Boone County, KY

The radar

The Cincinnati radar (KILN), 93 km from the middle of the area, began a volume at 07:03 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 7.0 hours before the alert went out and 95 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: 1144 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 991 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 117 m²/s²
0-3 km storm-relative helicity: 276 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 4.8

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 Wilmington, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 20, 2:16 AM EDT, 45 minutes earlier.

Area forecast discussion, Apr 20, 2:16 AM EDT, 45 minutes before

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In the hours before

Special weather statement, Apr 19, 10:29 PM EDT, 4 hours 32 minutes before

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Local storm report, Apr 19, 10:58 PM EDT, 4 hours 3 minutes before

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Local storm report, Apr 19, 11:05 PM EDT, 3 hours 56 minutes before

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Local storm report, Apr 19, 11:12 PM EDT, 3 hours 49 minutes before

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Special weather statement, Apr 20, 12:30 AM EDT, 2 hours 31 minutes before

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Special weather statement, Apr 20, 12:37 AM EDT, 2 hours 24 minutes before

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The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 19, 9:58 PM EDT	Severe Thunderstorm Warning	ILN	Darke, Preble	62 min
Apr 19, 10:23 PM EDT	Severe Thunderstorm Warning	ILN	Montgomery	37 min
Apr 19, 10:35 PM EDT	Severe Thunderstorm Warning	ILN	Miami	40 min
Apr 19, 10:53 PM EDT	Severe Thunderstorm Warning	ILN	Champaign, Clark, Greene	52 min
Apr 19, 8:54 PM EDT	Tornado Warning	ILN	Fayette, Union, Wayne	66 min
Apr 19, 9:59 PM EDT	Severe Thunderstorm Warning	ILN	Union, Wayne	31 min
Apr 20, 2:13 AM EDT	Severe Thunderstorm Warning	ILN	Franklin	47 min
Apr 20, 2:17 AM EDT	Severe Thunderstorm Warning	ILN	Switzerland	43 min
Apr 20, 2:24 AM EDT	Severe Thunderstorm Warning	ILN	Fayette, Union	36 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 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; radar from the NEXRAD Level II archive.