Alert archive / Kentucky / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 83, NWS Jackson, KY

April 20, 2006Pulaski County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Apr 20, 2006, 10:03 AM EDT for Pulaski County, Kentucky. It was in force for 27 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, 2006, 10:03 AM EDT (14:03 UTC)
Expired: Apr 20, 2006, 10:30 AM EDT
In force: 27 min
Issued by: NWS Jackson, KY
Area: Counties, with a storm outline in the text

County Pulaski County, KY

The radar

The Jackson,KY radar (KJKL), 124 km from the middle of the area, began a volume at 14:06 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

Nashville Metro, TN (KBNA), launched 12:00Z, 2.1 hours before the alert went out and 211 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: 1161 J/kg
Mixed-layer CIN: -94 J/kg
Mixed-layer LCL: 867 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 26 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

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 Jackson, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 20, 7:59 AM EDT, 2 hours 4 minutes earlier.

Area forecast discussion, Apr 20, 7:59 AM EDT, 2 hours 4 minutes before

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Hazardous weather outlook, Apr 20, 6:30 AM EDT, 3 hours 33 minutes before

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In the hours before

Special weather statement, Apr 20, 8:25 AM EDT, 1 hour 38 minutes before

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Local storm report, Apr 20, 9:23 AM EDT, 40 minutes before

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Special weather statement, Apr 20, 9:53 AM EDT, 10 minutes before

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Special weather statement, Apr 20, 10:02 AM EDT, 1 minute before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 20, 8:55 AM EDT	Severe Thunderstorm Warning	JKL	Wayne	65 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2006 Every severe thunderstorm warning in 2006

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.