Alert archive / Kentucky / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 79, NWS Jackson, KY

May 20, 2022Fleming County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at May 20, 2022, 12:14 AM EDT for Fleming County, Kentucky. It was in force for 31 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 20, 2022, 12:14 AM EDT (04:14 UTC)
Expired: May 20, 2022, 12:45 AM EDT
In force: 31 min
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

County Fleming County, KY

The radar

The Jackson,KY radar (KJKL), 93 km from the middle of the area, began a volume at 04:15 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 00:00Z, 4.2 hours before the alert went out and 118 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: 719 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 1389 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 239 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.5

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 May 19, 10:16 PM EDT, 1 hour 58 minutes earlier.

Area forecast discussion, May 19, 10:16 PM EDT, 1 hour 58 minutes before

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Hazardous weather outlook, May 19, 10:12 PM EDT, 2 hours 2 minutes before

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In the hours before

Local storm report, May 19, 7:48 PM EDT, 4 hours 26 minutes before

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Special weather statement, May 19, 7:56 PM EDT, 4 hours 18 minutes before

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Special weather statement, May 19, 9:13 PM EDT, 3 hours 1 minute before

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Local storm report, May 19, 9:31 PM EDT, 2 hours 43 minutes before

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Special weather statement, May 19, 10:18 PM EDT, 1 hour 56 minutes before

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Special weather statement, May 19, 11:13 PM EDT, 1 hour 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
May 19, 8:23 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Floyd, Knott, Magoffin	37 min
May 19, 8:52 PM EDT	Severe Thunderstorm Warning	JKL	Floyd, Knott, Pike	23 min
May 19, 9:13 PM EDT	Special Weather Statement	JKL	Pike	32 min
May 19, 10:18 PM EDT	Special Weather Statement	JKL	Floyd	27 min
May 19, 10:34 PM EDT	Severe Thunderstorm Warning Considerable damage threat	JKL	Bath, Montgomery	41 min
May 19, 11:13 PM EDT	Special Weather Statement	JKL	Fleming	32 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2022 Every severe thunderstorm warning in 2022

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.