Alert archive / Kentucky / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 221, NWS Louisville, KY

July 21, 20224 counties in Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 21, 2022, 1:53 AM CDT for 4 counties in Kentucky. It was in force for 52 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
Jul 21, 2022, 1:53 AM CDT (06:53 UTC)
Expired
Jul 21, 2022, 2:45 AM CDT
In force
52 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Barren County, KY, Cumberland County, KY, Metcalfe County, KY, Monroe County, KY

The radar

The Nashville radar (KOHX), 105 km from the middle of the area, began a volume at 06:52 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, 6.9 hours before the alert went out and 117 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 2022-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3262 joules per kilogram.LCLLFCEL10008507005003002001001 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 2022-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939Sfc1 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
3262 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1684 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
218 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 Louisville, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 21, 12:36 AM CDT, 1 hour 17 minutes earlier.

Area forecast discussion, Jul 21, 12:36 AM CDT, 1 hour 17 minutes before
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Hazardous weather outlook, Jul 20, 8:10 PM CDT, 5 hours 43 minutes before
Hazardous Weather Outlook
National Weather Service Louisville KY
910 PM EDT Wed Jul 20 2022

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-220115-
Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Harrison-
Floyd-Clark-Hancock-Breckinridge-Meade-Ohio-Grayson-Hardin-Bullitt-
Oldham-Trimble-Henry-Shelby-Franklin-Spencer-Anderson-Woodford-
Fayette-Bourbon-Nicholas-Nelson-Mercer-Jessamine-Larue-Marion-Boyle-
Garrard-Madison-Butler-Edmonson-Hart-Green-Taylor-Casey-Lincoln-
Logan-Warren-Simpson-Allen-Barren-Monroe-Metcalfe-Adair-Russell-
Cumberland-Clinton-
Including the cities of Paoli, Salem, Scottsburg, Madison, Jasper,
English, Tell City, Corydon, New Albany, Jeffersonville, Lewisport,
Hawesville, Hardinsburg, Brandenburg, Hartford, Leitchfield,
Elizabethtown, Shepherdsville, Louisville, La Grange, Bedford,
Milton, New Castle, Shelbyville, Frankfort, Georgetown, Cynthiana,
Taylorsville, Lawrenceburg, Versailles, Lexington, Paris, Carlisle,
Bardstown, Springfield, Harrodsburg, Nicholasville, Winchester,
Hodgenville, Lebanon, Danville, Lancaster, Richmond, Morgantown,
Brownsville, Horse Cave, Greensburg, Campbellsville, Liberty,
Stanford, Russellville, Bowling Green, Franklin, Providence,
Scottsville, Glasgow, Tompkinsville, Edmonton, Columbia, Jamestown,
Burkesville, and Albany
910 PM EDT Wed Jul 20 2022 /810 PM CDT Wed Jul 20 2022/

This hazardous weather outlook is for portions of south central
Indiana and Central Kentucky.

.DAY ONE...This Evening and Overnight.

Scattered thunderstorms will be possible across the outlook area
this evening and should diminish later tonight. Some of the storms
could be strong to severe with locally damaging winds to most likely
severe weather hazard. Heavy rainfall and some small hail will also
be possible.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Heat could approach dangerous levels Saturday and Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required this evening.

GENERAL STORM MOTION OF THE DAY:

Storms this evening will move from west to east at 20-25 mph.

Any users of this storm motion must be aware that thunderstorm activity
can be erratic and constantly evolving.  Please use this with caution
and be prepared for changing conditions.

&&

More information, along with other weather, hydrological and
climate information can be found, at weather.gov/louisville.

MJ/KDW

In the hours before

Special weather statement, Jul 21, 12:59 AM CDT, 54 minutes before
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Special weather statement, Jul 21, 1:18 AM CDT, 35 minutes before
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Local storm report, Jul 21, 1:21 AM CDT, 32 minutes before
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Special weather statement, Jul 21, 1:24 AM CDT, 29 minutes before
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Special weather statement, Jul 21, 1:41 AM CDT, 12 minutes before
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Special weather statement, Jul 21, 1:45 AM CDT, 8 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 7:55 PM CDTSpecial Weather StatementLMKWarren35 min
Jul 20, 8:28 PM CDTSpecial Weather StatementLMKMonroe32 min
Jul 20, 8:34 PM CDTSpecial Weather StatementLMKBoyle26 min
Jul 20, 8:38 PM CDTSpecial Weather StatementLMKMarion22 min
Jul 20, 8:54 PM CDTSevere Thunderstorm WarningLMKBoyle, Casey, Marion36 min
Jul 20, 9:01 PM CDTSevere Thunderstorm WarningLMKMarion29 min
Jul 20, 9:02 PM CDTSpecial Weather StatementLMKCumberland, Monroe28 min
Jul 20, 9:08 PM CDTAreal Flood AdvisoryLMKBoyle, Casey, Garrard, Larue, Lincoln, Marion and 3 more112 min
Jul 20, 9:27 PM CDTSevere Thunderstorm WarningLMKMarion, Taylor33 min
Jul 20, 9:33 PM CDTSpecial Weather StatementLMKAdair, Metcalfe57 min
Jul 20, 9:54 PM CDTSpecial Weather StatementLMKCasey36 min
Jul 20, 10:07 PM CDTAreal Flood AdvisoryLMKAdair, Allen, Barren, Clinton, Cumberland, Metcalfe and 2 more81 min
Jul 20, 10:30 PM CDTSpecial Weather StatementLMKCasey30 min
Jul 20, 10:39 PM CDTSpecial Weather StatementLMKCumberland21 min
Jul 20, 10:45 PM CDTSevere Thunderstorm WarningLMKClinton, Cumberland, Russell30 min
Jul 20, 10:52 PM CDTSpecial Weather StatementLMKBarren, Metcalfe38 min
Jul 20, 11:00 PM CDTFlash Flood WarningLMKAdair, Allen, Barren, Clinton, Cumberland, Metcalfe and 2 more7 hr
Jul 20, 11:02 PM CDTSpecial Weather StatementLMKGrayson43 min
Jul 20, 11:40 PM CDTSpecial Weather StatementLMKMetcalfe35 min
Jul 20, 11:45 PM CDTSpecial Weather StatementLMKHardin30 min
Jul 20, 11:56 PM CDTSpecial Weather StatementLMKHart34 min
Jul 21, 12:21 AM CDTSpecial Weather StatementLMKLarue24 min
Jul 21, 12:47 AM CDTAreal Flood AdvisoryLMKHart3 hr
Jul 21, 12:57 AM CDTSpecial Weather StatementLMKMetcalfe33 min
Jul 21, 12:59 AM CDTSpecial Weather StatementLMKEdmonson31 min
Jul 21, 1:18 AM CDTSpecial Weather StatementLMKWarren27 min
Jul 21, 1:24 AM CDTSpecial Weather StatementLMKCumberland21 min
Jul 21, 1:41 AM CDTSpecial Weather StatementLMKClinton, Cumberland34 min
Jul 21, 1:45 AM CDTSpecial Weather StatementLMKCumberland, Monroe30 min
Jul 21, 1:50 AM CDTSevere Thunderstorm WarningLMKClinton, Cumberland25 min
Jul 21, 2:07 AM CDTSevere Thunderstorm WarningLMKAllen, Barren, Monroe38 min
Jul 21, 4:40 AM CDTRiver Flood WarningLMKCumberland, Monroe4 hr

Nearby

Severe Thunderstorm Warnings in Kentucky, 2022Every 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.