Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Louisville, KY

July 15, 20218 counties in Kentucky

NWS Louisville, KY issued this special weather statement at Jul 15, 2021, 5:13 PM EDT for 8 counties in Kentucky. It was in force for 47 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
Jul 15, 2021, 5:13 PM EDT (21:13 UTC)
Expired
Jul 15, 2021, 6:00 PM EDT
In force
47 min
Issued by
NWS Louisville, KY

Counties Anderson County, KY, Boyle County, KY, Casey County, KY, Marion County, KY, Mercer County, KY, Spencer County, KY, Taylor County, KY, Washington County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.2 hours before the alert went out and 218 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 2021-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 531 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2021-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -53 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
531 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
996 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-53 m²/s²
0-3 km storm-relative helicity
-32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

938 
WWUS83 KLMK 152113
SPSLMK

Special Weather Statement
National Weather Service Louisville KY
513 PM EDT Thu Jul 15 2021

KYZ034-038>040-045>047-053>055-064>067-152200-
Shelby-Mercer-Woodford-Spencer-Washington-Lincoln-Casey-Anderson-
Boyle-Marion-Taylor-Nelson-Larue-Green-
513 PM EDT Thu Jul 15 2021

...AREA OF STRONG THUNDERSTORMS WILL CONTINUE TO MOVE THROUGH 
PORTIONS OF CENTRAL KENTUCKY...

At 511 PM EDT/411 PM CDT/, a cluster of thunderstorms were located 
along a line from near Taylorsville southward to Campbellsville, 
moving east at 40 mph.

Wind gusts of 25 to 35 mph are possible with these storms.

Locations impacted include...
Liberty, Danville, Bardstown, Lawrenceburg, Campbellsville,
Harrodsburg, Lebanon, Springfield, Taylorsville and Ballard.

Heavy rainfall is also occurring with this storm, and may cause 
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 3731 8555 3809 8537 3808 8486 3772 8473
      3772 8474 3771 8473 3730 8490
TIME...MOT...LOC 2111Z 265DEG 36KT 3766 8524 

$$

MJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 3:41 PM EDTSpecial Weather StatementLMKFayette, Jessamine, Woodford49 min
Jul 15, 3:46 PM EDTSpecial Weather StatementLMKNicholas44 min
Jul 15, 4:31 PM EDTSpecial Weather StatementLMKClark59 min
Jul 15, 5:04 PM EDTAreal Flood AdvisoryLMKBourbon, Nicholas3 hr
Jul 15, 5:16 PM EDTSpecial Weather StatementLMKNicholas29 min
Jul 15, 5:53 PM EDTSpecial Weather StatementLMKAnderson, Mercer, Woodford52 min
Jul 15, 5:57 PM EDTSevere Thunderstorm WarningLMKAnderson, Jessamine, Mercer, Woodford33 min
Jul 15, 6:07 PM EDTSpecial Weather StatementLMKFayette, Jessamine, Mercer, Woodford53 min
Jul 15, 6:46 PM EDTSpecial Weather StatementLMKCasey, Lincoln59 min
Jul 15, 7:10 PM EDTSpecial Weather StatementLMKMadison65 min
Jul 15, 7:37 PM EDTAreal Flood AdvisoryLMKCasey, Taylor3 hr
Jul 15, 7:50 PM EDTSpecial Weather StatementLMKTaylor40 min

Nearby

Special Weather Statements in Kentucky, 2021Every special weather statement in 2021

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.