Alert archive / Kentucky / Special Weather Statements in 2022

Special Weather Statement, NWS Louisville, KY

August 6, 2022Simpson County, Kentucky

NWS Louisville, KY issued this special weather statement at Aug 6, 2022, 8:00 AM CDT for Simpson County, Kentucky. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 6, 2022, 8:00 AM CDT (13:00 UTC)
Expired
Aug 6, 2022, 8:30 AM CDT
In force
30 min
Issued by
NWS Louisville, KY
Hail
0.25 in
Wind
40

County Simpson County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 1.0 hours before the alert went out and 60 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 12:00Z on 2022-08-06Temperature 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 12:00Z on 2022-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
0 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 6, 7:31 AM CDT, 29 minutes earlier.

Area forecast discussion, Aug 6, 7:31 AM CDT, 29 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Aug 6, 3:10 AM CDT, 4 hours 50 minutes before
Hazardous Weather Outlook
National Weather Service Louisville KY
410 AM EDT Sat Aug 6 2022

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-070815-
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
410 AM EDT Sat Aug 6 2022 /310 AM CDT Sat Aug 6 2022/

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

.DAY ONE...Today and Tonight.

Thunderstorms will be capable of heavy rainfall which can lead to
isolated instances of flash flood especially in low-lying areas with
poor drainage.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Thunderstorms will continue to be possible through the weekend and
into early next week. A few of the stronger storms could produce
locally heavy rainfall and gusty winds

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed if water flows over roadways or
rivers exceed their banks.

GENERAL STORM MOTION OF THE DAY:

Storms will move roughly from the southwest to the northeast at 5 to
15 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.

ALL/MJ

In the hours before

Special weather statement, Aug 6, 8:00 AM CDT, 0 minutes before
Special Weather Statement
National Weather Service Louisville KY
800 AM CDT Sat Aug 6 2022

KYZ072-073-061330-
Simpson KY-Allen KY-
800 AM CDT Sat Aug 6 2022

...A strong thunderstorm will impact portions of southeastern Simpson
and southwestern Allen Counties through 830 AM CDT...

At 759 AM CDT, Doppler radar was tracking a strong thunderstorm over
Portland, moving east at 20 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 southeastern
Simpson and southwestern Allen Counties, including the following
locations... Fleet, New Roe, Black Jack, Schweizer, Clare, Geddes,
Mcelroy Ford, Adolphus, Peden Mill and Alonzo.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3665 8659 3665 8666 3671 8666 3677 8625
      3664 8626 3665 8651 3664 8654 3664 8655
      3663 8656
TIME...MOT...LOC 1259Z 271DEG 15KT 3665 8654

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

CSG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 4:56 AM CDTAreal Flood AdvisoryLMKClark, Madison3 hr
Aug 6, 9:04 AM CDTAreal Flood AdvisoryLMKCasey, Lincoln3 hr
Aug 6, 9:56 AM CDTSpecial Weather StatementLMKGreen, Taylor34 min
Aug 6, 10:30 AM CDTSpecial Weather StatementLMKTaylor15 min
Aug 6, 10:50 AM CDTSpecial Weather StatementLMKCasey25 min
Aug 6, 11:09 AM CDTAreal Flood AdvisoryLMKWoodford20 min
Aug 6, 11:11 AM CDTSpecial Weather StatementLMKAdair34 min
Aug 6, 11:29 AM CDTFlash Flood WarningLMKWoodford4 hr
Aug 6, 11:31 AM CDTSpecial Weather StatementLMKAdair14 min
Aug 6, 11:42 AM CDTAreal Flood AdvisoryLMKScott19 min
Aug 6, 11:43 AM CDTAreal Flood AdvisoryLMKAdair, Casey, Russell3 hr
Aug 6, 11:52 AM CDTFlash Flood WarningLMKAdair, Russell3 hr
Aug 6, 11:59 AM CDTFlash Flood WarningLMKScott3 hr
Aug 6, 12:12 PM CDTFlood WatchLMKAdair, Anderson, Bourbon, Boyle, Casey, Clark and 25 more6 hr
Aug 6, 12:17 PM CDTAreal Flood AdvisoryLMKAnderson2 hr
Aug 6, 12:20 PM CDTSpecial Weather StatementLMKSimpson25 min
Aug 6, 12:40 PM CDTFlash Flood WarningLMKAnderson, Woodford3 hr
Aug 6, 12:46 PM CDTAreal Flood AdvisoryLMKHarrison3 hr
Aug 6, 2:04 PM CDTAreal Flood AdvisoryLMKFranklin, Henry, Shelby3 hr
Aug 6, 2:09 PM CDTSevere Thunderstorm WarningLMKButler, Edmonson, Warren36 min
Aug 6, 2:39 PM CDTSevere Thunderstorm WarningLMKEdmonson, Hart36 min
Aug 6, 2:42 PM CDTSpecial Weather StatementLMKBarren18 min
Aug 6, 2:52 PM CDTSevere Thunderstorm WarningLMKSpencer38 min
Aug 6, 2:58 PM CDTSevere Thunderstorm WarningLMKBullitt, Nelson32 min
Aug 6, 3:12 PM CDTSpecial Weather StatementLMKGreen, Nelson33 min
Aug 6, 3:14 PM CDTSevere Thunderstorm WarningLMKNelson, Spencer31 min
Aug 6, 3:21 PM CDTSpecial Weather StatementLMKCumberland, Metcalfe24 min
Aug 6, 3:37 PM CDTSpecial Weather StatementLMKGreen, Marion, Taylor, Washington23 min
Aug 6, 3:46 PM CDTSpecial Weather StatementLMKAdair29 min
Aug 6, 4:00 PM CDTSpecial Weather StatementLMKAdair, Marion, Taylor30 min
Aug 6, 4:18 PM CDTSpecial Weather StatementLMKCasey27 min
Aug 6, 7:12 AM CDTAreal Flood AdvisoryLMKJefferson2 hr
Aug 6, 4:24 PM CDTAreal Flood AdvisoryLMKFloyd, Harrison104 min
Aug 6, 4:30 PM CDTSpecial Weather StatementLMKFloyd, Harrison30 min
Aug 6, 5:01 PM CDTFlash Flood WarningLMKFloyd, Harrison60 min

Nearby

Special Weather Statements in Kentucky, 2022Every special weather statement 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.