Alert archive / Kentucky / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 94, NWS Jackson, KY

November 6, 2018Pulaski County, Rockcastle County, Wayne County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Nov 6, 2018, 12:21 AM EST for Pulaski County, Rockcastle County, Wayne County, Kentucky. It was in force for 54 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
Nov 6, 2018, 12:21 AM EST (05:21 UTC)
Expired
Nov 6, 2018, 1:15 AM EST
In force
54 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Pulaski County, KY, Rockcastle County, KY, Wayne County, KY

The radar

The Jackson,KY radar (KJKL), 125 km from the middle of the area, began a volume at 05:22 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 00:00Z, 5.4 hours before the alert went out and 210 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-pSkew-T log-p diagram, Nashville Metro, TN at 00:00Z on 2018-11-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2018-11-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 521 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
711 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
521 m²/s²
0-3 km storm-relative helicity
667 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 Jackson, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 5, 10:42 PM EST, 1 hour 39 minutes earlier.

Area forecast discussion, Nov 5, 10:42 PM EST, 1 hour 39 minutes before
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Hazardous weather outlook, Nov 5, 5:08 PM EST, 7 hours 13 minutes before
Hazardous Weather Outlook
National Weather Service Jackson KY
508 PM EST Mon Nov 5 2018

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-061200-
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-
Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott-
Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike-
Including the cities of Flemingsburg, Camargo, Jeffersonville,
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna,
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee,
Annville, Burnside, Somerset, London, Monticello, Stearns,
Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro,
Pineville, Cumberland, Harlan, Sandy Hook, West Liberty,
Paintsville, Campton, Salyersville, Prestonsburg, Wheelwright,
Beattyville, Jackson, Hindman, Pippa Passes, Booneville, Hazard,
Manchester, Hyden, Jenkins, Whitesburg, Inez, Coal Run,
Elkhorn City, Pikeville, and South Williamson
508 PM EST Mon Nov 5 2018

This hazardous weather outlook is for portions of eastern Kentucky.

.DAY ONE...Tonight.

A cold front will bring showers and the possibility of thunderstorms
tonight. Some of the thunderstorms or heavy showers may contain
strong or damaging winds, with the greatest threat being over
south central Kentucky. Heavy rainfall from the showers and
thunderstorms could also lead to minor flooding, with the
greatest threat of excessive rainfall being to the northwest of a
line running through London and West Liberty.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report any wind damage or flooding
tonight.

HAL

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 6, 12:31 AM ESTSpecial Weather StatementJKLBath, Estill, Fleming, Jackson, Montgomery44 min
Nov 6, 1:08 AM ESTSpecial Weather StatementJKLElliott, Menifee, Morgan, Rowan67 min
Nov 6, 1:15 AM ESTSpecial Weather StatementJKLBreathitt, Clay, Estill, Jackson, Laurel, Lee and 3 more60 min
Nov 6, 2:04 AM ESTSpecial Weather StatementJKLBreathitt, Floyd, Johnson, Magoffin, Martin41 min
Nov 6, 2:06 AM ESTSpecial Weather StatementJKLClay, Knott, Leslie, Perry54 min
Nov 6, 3:10 AM ESTSpecial Weather StatementJKLMcCreary35 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2018Every severe thunderstorm warning in 2018

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.