Alert archive / Kentucky / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 68, NWS Paducah, KY

March 30, 2017Christian County, Kentucky

NWS Paducah, KY issued this severe thunderstorm warning at Mar 30, 2017, 6:40 PM CDT for Christian County, Kentucky. It was in force for 23 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: Mar 30, 2017, 6:40 PM CDT (23:40 UTC)
Expired: Mar 30, 2017, 7:03 PM CDT
In force: 23 min
Issued by: NWS Paducah, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Christian County, KY

The radar

The Ft Campbell radar (KHPX), 25 km from the middle of the area, began a volume at 23:40 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 30, 12:31 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.7 hours before the alert went out and 116 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: 35 J/kg
Mixed-layer CIN: -225 J/kg
Mixed-layer LCL: 1288 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 100 m²/s²
0-3 km storm-relative helicity: 58 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Mar 30, 6:36 PM CDT, 4 minutes earlier.

Area forecast discussion, Mar 30, 6:36 PM CDT, 4 minutes before

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Hazardous weather outlook, Mar 30, 3:46 PM CDT, 2 hours 54 minutes before

Hazardous Weather Outlook
National Weather Service Paducah KY
346 pM CDT Thu Mar 30 2017

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-311000-
Jefferson-Wayne IL-Edwards-Wabash-Perry IL-Franklin-Hamilton-
White-Jackson-Williamson-Saline-Gallatin-Union-Johnson-Pope-
Hardin-Alexander-Pulaski-Massac-Gibson-Pike-Posey-Vanderburgh-
Warrick-Spencer-Fulton-Hickman-Carlisle-Ballard-McCracken-Graves-
Livingston-Marshall-Calloway-Crittenden-Lyon-Trigg-Caldwell-
Union KY-Webster-Hopkins-Christian-Henderson-Daviess-McLean-
Muhlenberg-Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter-
Ripley-Butler-Stoddard-Scott-Mississippi-New Madrid-
346 pM CDT Thu Mar 30 2017

This Hazardous Weather Outlook is for portions of southern
Illinois, southwest Indiana, western Kentucky, and southeast
Missouri.

.DAY ONE...Tonight

The risk of severe thunderstorms should diminish quickly after
sunset. Marginal hail and gusty winds may still be possible across
parts of the Kentucky Pennyrile and Southwest Indiana until shortly
after dark.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

A chance of thunderstorms is forecast from Sunday night into Monday,
and again Tuesday night into Wednesday. At this time, locally heavy
rainfall and lightning are the primary concerns.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected after this afternoon.

CN/Smith

In the hours before

Local storm report, Mar 30, 5:31 PM CDT, 1 hour 9 minutes before

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Special weather statement, Mar 30, 5:39 PM CDT, 1 hour 1 minute before

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Special weather statement, Mar 30, 5:45 PM CDT, 55 minutes before

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Special weather statement, Mar 30, 5:58 PM CDT, 42 minutes before

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Local storm report, Mar 30, 6:20 PM CDT, 20 minutes before

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Special weather statement, Mar 30, 6:36 PM CDT, 4 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
Mar 30, 2:36 PM CDT	Special Weather Statement	PAH	Ballard	24 min
Mar 30, 4:54 PM CDT	Special Weather Statement	PAH	Caldwell, Lyon	36 min
Mar 30, 5:12 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell	18 min
Mar 30, 5:13 PM CDT	Special Weather Statement	PAH	Calloway	32 min
Mar 30, 5:25 PM CDT	Special Weather Statement	PAH	Hopkins	20 min
Mar 30, 5:39 PM CDT	Special Weather Statement	PAH	Hopkins	51 min
Mar 30, 5:45 PM CDT	Special Weather Statement	PAH	Trigg	15 min
Mar 30, 5:58 PM CDT	Special Weather Statement	PAH	Caldwell	17 min
Mar 30, 6:36 PM CDT	Special Weather Statement	PAH	Christian, Daviess, McLean, Muhlenberg	24 min
Mar 30, 1:09 PM CDT	Special Weather Statement	PAH	Alexander, Jackson, Union	36 min
Mar 30, 1:12 PM CDT	Special Weather Statement	PAH	Alexander, Jackson, Union	33 min
Mar 30, 2:19 PM CDT	Special Weather Statement	PAH	Gallatin	26 min
Mar 30, 2:48 PM CDT	Severe Thunderstorm Warning	PAH	Edwards, Wabash, White	42 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2017 Every severe thunderstorm warning in 2017

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.