Alert archive / Kentucky / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 332, NWS Paducah, KY

August 5, 20114 counties in Kentucky; Mississippi County, Missouri

NWS Paducah, KY issued this severe thunderstorm warning at Aug 5, 2011, 7:20 AM CDT for 4 counties in Kentucky; Mississippi County, Missouri. It was in force for 40 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: Aug 5, 2011, 7:20 AM CDT (12:20 UTC)
Expired: Aug 5, 2011, 8:00 AM CDT
In force: 40 min
Issued by: NWS Paducah, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Carlisle County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Mississippi County, MO

The radar

The Paducah radar (KPAH), 44 km from the middle of the area, began a volume at 12:21 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, 0.3 hours before the alert went out and 226 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: 2607 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 671 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 40 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 Paducah, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 5, 12:52 AM CDT, 6 hours 28 minutes earlier.

Area forecast discussion, Aug 5, 12:52 AM CDT, 6 hours 28 minutes before

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Hazardous weather outlook, Aug 5, 3:20 AM CDT, 4 hours before

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In the hours before

Special weather statement, Aug 5, 4:36 AM CDT, 2 hours 44 minutes before

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Special weather statement, Aug 5, 5:14 AM CDT, 2 hours 6 minutes before

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Special weather statement, Aug 5, 6:15 AM CDT, 1 hour 5 minutes before

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Special weather statement, Aug 5, 6:43 AM CDT, 37 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 2:20 PM CDT	Heat Advisory	PAH	Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 16 more	53 hr

Nearby

Severe Thunderstorm Warnings in Kentucky, 2011 Severe Thunderstorm Warnings in Missouri, 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.