Alert archive / Kentucky / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 157, NWS Jackson, KY

December 24, 2014Floyd County, Martin County, Pike County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Dec 24, 2014, 5:18 PM EST for Floyd County, Martin County, Pike 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: Dec 24, 2014, 5:18 PM EST (22:18 UTC)
Expired: Dec 24, 2014, 5:45 PM EST
In force: 27 min
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Floyd County, KY, Martin County, KY, Pike County, KY

The radar

The Jackson,KY radar (KJKL), 67 km from the middle of the area, began a volume at 22:18 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 12:00Z, 10.3 hours before the alert went out and 230 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 889 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 163 m²/s²
0-3 km storm-relative helicity: 190 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 Dec 24, 3:52 PM EST, 1 hour 26 minutes earlier.

Area forecast discussion, Dec 24, 3:52 PM EST, 1 hour 26 minutes before

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Hazardous weather outlook, Dec 24, 4:31 PM EST, 47 minutes before

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In the hours before

Local storm report, Dec 24, 3:11 PM EST, 2 hours 7 minutes before

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Special weather statement, Dec 24, 3:21 PM EST, 1 hour 57 minutes before

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Special weather statement, Dec 24, 3:29 PM EST, 1 hour 49 minutes before

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Special weather statement, Dec 24, 4:08 PM EST, 1 hour 10 minutes before

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Special weather statement, Dec 24, 4:42 PM EST, 36 minutes before

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Special weather statement, Dec 24, 5:17 PM EST, 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
Dec 24, 3:58 AM EST	Wind Advisory	JKL	Bath, Breathitt, Clay, Elliott, Estill, Fleming and 20 more	16 hr
Dec 24, 2:05 PM EST	Special Weather Statement	JKL	McCreary, Pulaski, Rockcastle, Wayne	55 min
Dec 24, 2:42 PM EST	Special Weather Statement	JKL	Estill, Jackson, Knox, Laurel, McCreary, Montgomery and 3 more	48 min
Dec 24, 3:21 PM EST	Special Weather Statement	JKL	Bell, Breathitt, Clay, Harlan, Knox, Leslie and 2 more	54 min
Dec 24, 3:29 PM EST	Special Weather Statement	JKL	Bath, Elliott, Fleming, Lee, Menifee, Morgan and 2 more	61 min
Dec 24, 4:08 PM EST	Special Weather Statement	JKL	Bell, Breathitt, Elliott, Floyd, Harlan, Johnson and 6 more	37 min
Dec 24, 4:42 PM EST	Special Weather Statement	JKL	Floyd, Harlan, Johnson, Knott, Letcher, Magoffin and 3 more	63 min
Dec 24, 5:17 PM EST	Special Weather Statement	JKL	Martin, Pike	43 min
Dec 24, 5:55 PM EST	Special Weather Statement	JKL	Pike	35 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2014 Every severe thunderstorm warning in 2014

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.