Alert archive / Kentucky / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 51, NWS Paducah, KY

May 10, 2018Daviess County, Kentucky

NWS Paducah, KY issued this severe thunderstorm warning at May 10, 2018, 6:54 PM CDT for Daviess County, Kentucky. It was in force for 17 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: May 10, 2018, 6:54 PM CDT (23:54 UTC)
Expired: May 10, 2018, 7:11 PM CDT
In force: 17 min
Issued by: NWS Paducah, KY
Area: Storm-based polygon
Hail: 1.5 in
Wind: 70.0 mph

County Daviess County, KY

The radar

The Evansville,IN radar (KVWX), 81 km from the middle of the area, began a volume at 23:57 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, 11.9 hours before the alert went out and 183 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: 130 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 1541 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 248 m²/s²
0-3 km storm-relative helicity: 233 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 May 10, 6:39 PM CDT, 15 minutes earlier.

Area forecast discussion, May 10, 6:39 PM CDT, 15 minutes before

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Hazardous weather outlook, May 10, 6:00 PM CDT, 54 minutes before

Hazardous Weather Outlook
National Weather Service Paducah KY
600 PM CDT Thu May 10 2018

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-112000-
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-
600 PM CDT Thu May 10 2018

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

.DAY ONE...Tonight

Isolated to scattered thunderstorms are forecast to continue across
southeast Illinois and southwest Indiana through the evening.
Several strong to severe storms, with damaging winds, hail, and
torrential rainfall will be likely especially near the I-64 corridor
this evening.

Isolated storms may be possible further south during the evening,
but should remain below severe limits.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Southwest winds will gust from 20 to 30 mph at times Friday
afternoon, creating choppy conditions on area lakes.

Afternoon heat indices will climb into the middle 90s over much of
the region Sunday and Monday. This will be the first real bout of
summer heat and humidity this year.

Small chances of thunderstorms are forecast Monday through
Wednesday, mainly during the afternoon hours. Locally heavy
rainfall and lightning will be the primary concerns.

.SPOTTER INFORMATION STATEMENT...

Spotter activation should not be needed.

In the hours before

Local storm report, May 10, 6:30 PM CDT, 24 minutes before

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Special weather statement, May 10, 6:36 PM CDT, 18 minutes before

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Local storm report, May 10, 6:43 PM CDT, 11 minutes before

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Local storm report, May 10, 6:49 PM CDT, 5 minutes before

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Local storm report, May 10, 6:50 PM CDT, 4 minutes before

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Local storm report, May 10, 6:52 PM CDT, 2 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
May 10, 5:00 PM CDT	Severe Thunderstorm Warning	PAH	Henderson	45 min
May 10, 5:35 PM CDT	Severe Thunderstorm Warning	PAH	Daviess, Henderson	40 min
May 10, 6:08 PM CDT	Severe Thunderstorm Warning	PAH	Daviess, Henderson	52 min
May 10, 6:36 PM CDT	Special Weather Statement	PAH	Henderson	24 min
May 9, 9:46 PM CDT	Special Weather Statement	PAH	Union	44 min
May 10, 5:49 PM CDT	Special Weather Statement	PAH	Wayne	56 min
May 10, 6:22 PM CDT	Special Weather Statement	PAH	Edwards, Wabash, Wayne	38 min
May 10, 6:35 PM CDT	Severe Thunderstorm Warning	PAH	Edwards, Wabash	32 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2018 Every 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.