Alert archive / Kentucky / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 179, NWS Jackson, KY

June 8, 2011McCreary County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Jun 8, 2011, 6:41 PM EDT for McCreary County, Kentucky. It was in force for 34 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: Jun 8, 2011, 6:41 PM EDT (22:41 UTC)
Expired: Jun 8, 2011, 7:15 PM EDT
In force: 34 min
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County McCreary County, KY

The radar

The Knoxville radar (KMRX), 116 km from the middle of the area, began a volume at 22:43 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.7 hours before the alert went out and 374 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: 1150 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 1028 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -38 m²/s²
0-3 km storm-relative helicity: 36 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jun 8, 3:50 PM EDT, 2 hours 51 minutes earlier.

Area forecast discussion, Jun 8, 3:50 PM EDT, 2 hours 51 minutes before

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Hazardous weather outlook, Jun 8, 4:01 PM EDT, 2 hours 40 minutes before

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In the hours before

Special weather statement, Jun 8, 3:31 PM EDT, 3 hours 10 minutes before

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Special weather statement, Jun 8, 5:32 PM EDT, 1 hour 9 minutes before

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Special weather statement, Jun 8, 6:37 PM EDT, 4 minutes before

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Nearby

Severe Thunderstorm Warnings in Kentucky, 2011 Every severe thunderstorm warning in 2011

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.