Alert archive / Kentucky / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 2, NWS Louisville, KY

March 22, 1991Green County, Taylor County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Mar 22, 1991, 12:21 AM CST for Green County, Taylor County, Kentucky. It was in force for 39 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Mar 22, 1991, 12:21 AM CST (06:21 UTC)
Expired: Mar 22, 1991, 1:00 AM CST
In force: 39 min
Issued by: NWS Louisville, KY
Area: Whole counties

Counties Green County, KY, Taylor County, KY

What was reported inside it

Time	Report	Where	Remark
Mar 22, 12:21 AM CST	Hail 1.25	Green, KY

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 6.4 hours before the alert went out and 167 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: 292 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 1134 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 148 m²/s²
0-3 km storm-relative helicity: 202 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, Mar 21, 8:31 PM CST, 3 hours 50 minutes before

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Special weather statement, Mar 21, 8:46 PM CST, 3 hours 35 minutes before

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Special weather statement, Mar 21, 8:59 PM CST, 3 hours 22 minutes before

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Special weather statement, Mar 21, 9:35 PM CST, 2 hours 46 minutes before

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Special weather statement, Mar 21, 10:00 PM CST, 2 hours 21 minutes before

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Special weather statement, Mar 21, 10:10 PM CST, 2 hours 11 minutes before

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The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 21, 7:58 PM CST	Severe Thunderstorm Warning	LMK	Breckinridge, Meade	62 min
Mar 22, 12:21 AM CST	Severe Thunderstorm Warning	LMK	Casey	39 min
Mar 22, 1:06 AM CST	Severe Thunderstorm Warning	LMK	Casey, Lincoln	39 min
Mar 22, 1:03 PM CST	Severe Thunderstorm Warning	LMK	Meade	42 min
Mar 22, 1:59 PM CST	Severe Thunderstorm Warning	LMK	Jefferson, Oldham	31 min
Mar 22, 2:22 PM CST	Severe Thunderstorm Warning	LMK	Henry, Shelby	53 min
Mar 22, 2:31 PM CST	Flash Flood Warning	LMK	Jefferson, Oldham	59 min
Mar 22, 5:30 PM CST	Severe Thunderstorm Warning	LMK	Harrison	20 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1991 Every severe thunderstorm warning in 1991

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.