Alert archive / Kentucky / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 217, NWS Louisville, KY

July 20, 2022Marion County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 20, 2022, 10:01 PM EDT for Marion County, Kentucky. It was in force for 29 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 20, 2022, 10:01 PM EDT (02:01 UTC)
Expired
Jul 20, 2022, 10:30 PM EDT
In force
29 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Marion County, KY

The radar

The Louisville radar (KLVX), 76 km from the middle of the area, began a volume at 02:02 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, 2.0 hours before the alert went out and 198 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 20, 9:07 PM EDT, 54 minutes earlier.

Area forecast discussion, Jul 20, 9:07 PM EDT, 54 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Jul 20, 9:10 PM EDT, 51 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 20, 6:53 PM EDT, 3 hours 8 minutes before
Special Weather Statement
National Weather Service Louisville KY
653 PM EDT Wed Jul 20 2022

INZ083-202330-
Dubois IN-
653 PM EDT Wed Jul 20 2022

...A strong thunderstorm will impact portions of southwestern Dubois
County through 730 PM EDT...

At 652 PM EDT, Doppler radar was tracking a strong thunderstorm near
Winslow, moving east-southeast at 20 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

This storm will remain over mainly rural areas of southwestern Dubois
County, including the following locations... Duff, Huntingburg
Airport, Millersport, Ireland, Maltersville, Huntingburg, Saint
Henry, Johnsburg and Holland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Louisville.

&&

LAT...LON 3842 8707 3841 8686 3820 8689 3820 8698
      3824 8707
TIME...MOT...LOC 2252Z 283DEG 19KT 3836 8716

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

EBW
Special weather statement, Jul 20, 8:55 PM EDT, 1 hour 6 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Special weather statement, Jul 20, 9:28 PM EDT, 33 minutes before
Special Weather Statement
National Weather Service Louisville KY
828 PM CDT Wed Jul 20 2022

KYZ073>076-210200-
Metcalfe KY-Monroe KY-Allen KY-Barren KY-
828 PM CDT Wed Jul 20 2022

...A strong thunderstorm will impact portions of northwestern Monroe,
east central Allen, southeastern Barren and southwestern Metcalfe
Counties through 900 PM CDT...

At 827 PM CDT, Doppler radar was tracking a strong thunderstorm 12
miles east of Scottsville, moving east at 30 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
  Tompkinsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Louisville.

&&

LAT...LON 3670 8605 3682 8605 3690 8570 3668 8569
TIME...MOT...LOC 0127Z 264DEG 29KT 3676 8597

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

EBW
Special weather statement, Jul 20, 9:34 PM EDT, 27 minutes before
Special Weather Statement
National Weather Service Louisville KY
934 PM EDT Wed Jul 20 2022

KYZ054-055-066-210200-
Boyle KY-Marion KY-Casey KY-
934 PM EDT Wed Jul 20 2022

...A strong thunderstorm will impact portions of east central Marion,
southwestern Boyle and north central Casey Counties through 1000 PM
EDT...

At 934 PM EDT, Doppler radar was tracking a strong thunderstorm 8
miles east of Lebanon, moving east at 25 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

This storm will remain over mainly rural areas of southwestern Boyle,
east central Marion and north central Casey Counties, including the
following locations... Brumfield, Mitchellsburg, Parksville, Gravel
Switch, Forkland, Riley, Butchertown, Penick, Aliceton and Poplar
Corner.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Louisville.

&&

LAT...LON 3750 8518 3760 8519 3766 8488 3747 8488
TIME...MOT...LOC 0134Z 266DEG 23KT 3756 8510

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

EBW
Special weather statement, Jul 20, 9:38 PM EDT, 23 minutes before
Special Weather Statement
National Weather Service Louisville KY
938 PM EDT Wed Jul 20 2022

KYZ046-054-210200-
Marion KY-Washington KY-
938 PM EDT Wed Jul 20 2022

...A strong thunderstorm will impact portions of central Marion and
south central Washington Counties through 1000 PM EDT...

At 937 PM EDT, Doppler radar was tracking a cluster of strong
thunderstorm near Lebanon, moving east at 25 mph.

HAZARD...Winds in excess of 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

This strong thunderstorm will be near...
  Lebanon around 955 PM EDT.

Other locations in the path of this storm include Springfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Louisville.

&&

LAT...LON 3748 8547 3749 8547 3750 8548 3754 8550
      3756 8552 3759 8550 3769 8519 3747 8517
TIME...MOT...LOC 0137Z 263DEG 21KT 3758 8537

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

EBW

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 8:55 PM EDTSpecial Weather StatementLMKWarren35 min
Jul 20, 9:28 PM EDTSpecial Weather StatementLMKMonroe32 min
Jul 20, 9:34 PM EDTSpecial Weather StatementLMKBoyle26 min
Jul 20, 9:38 PM EDTSpecial Weather StatementLMKMarion22 min
Jul 20, 9:54 PM EDTSevere Thunderstorm WarningLMKBoyle, Casey, Marion36 min
Jul 20, 10:02 PM EDTSpecial Weather StatementLMKCumberland, Monroe28 min
Jul 20, 10:08 PM EDTAreal Flood AdvisoryLMKBoyle, Casey, Garrard, Larue, Lincoln, Marion and 3 more112 min
Jul 20, 10:27 PM EDTSevere Thunderstorm WarningLMKMarion, Taylor33 min
Jul 20, 10:33 PM EDTSpecial Weather StatementLMKAdair, Metcalfe57 min
Jul 20, 10:54 PM EDTSpecial Weather StatementLMKCasey36 min
Jul 20, 11:07 PM EDTAreal Flood AdvisoryLMKAdair, Allen, Barren, Clinton, Cumberland, Metcalfe and 2 more81 min
Jul 20, 11:30 PM EDTSpecial Weather StatementLMKCasey30 min
Jul 20, 11:39 PM EDTSpecial Weather StatementLMKCumberland21 min
Jul 20, 11:45 PM EDTSevere Thunderstorm WarningLMKClinton, Cumberland, Russell30 min
Jul 20, 11:52 PM EDTSpecial Weather StatementLMKBarren, Metcalfe38 min
Jul 21, 12:00 AM EDTFlash Flood WarningLMKAdair, Allen, Barren, Clinton, Cumberland, Metcalfe and 2 more7 hr
Jul 21, 12:02 AM EDTSpecial Weather StatementLMKGrayson43 min
Jul 21, 12:40 AM EDTSpecial Weather StatementLMKMetcalfe35 min
Jul 21, 12:45 AM EDTSpecial Weather StatementLMKHardin30 min
Jul 21, 12:56 AM EDTSpecial Weather StatementLMKHart34 min
Jul 21, 1:21 AM EDTSpecial Weather StatementLMKLarue24 min
Jul 21, 1:47 AM EDTAreal Flood AdvisoryLMKHart3 hr
Jul 21, 1:57 AM EDTSpecial Weather StatementLMKMetcalfe33 min
Jul 21, 1:59 AM EDTSpecial Weather StatementLMKEdmonson31 min
Jul 21, 2:18 AM EDTSpecial Weather StatementLMKWarren27 min
Jul 21, 2:24 AM EDTSpecial Weather StatementLMKCumberland21 min
Jul 21, 2:41 AM EDTSpecial Weather StatementLMKClinton, Cumberland34 min
Jul 21, 2:45 AM EDTSpecial Weather StatementLMKCumberland, Monroe30 min
Jul 21, 2:50 AM EDTSevere Thunderstorm WarningLMKClinton, Cumberland25 min
Jul 21, 2:53 AM EDTSevere Thunderstorm WarningLMKBarren, Cumberland, Metcalfe, Monroe52 min
Jul 21, 3:07 AM EDTSevere Thunderstorm WarningLMKAllen, Barren, Monroe38 min
Jul 21, 5:40 AM EDTRiver 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.