Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Louisville, KY

August 7, 2021Garrard County, Kentucky

NWS Louisville, KY issued this special weather statement at Aug 7, 2021, 6:21 PM EDT for Garrard County, Kentucky. It was in force for 24 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 7, 2021, 6:21 PM EDT (22:21 UTC)
Expired
Aug 7, 2021, 6:45 PM EDT
In force
24 min
Issued by
NWS Louisville, KY
Hail
0.50 in
Wind
40

County Garrard County, KY

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.4 hours before the alert went out and 214 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, Cncnati-Daytn, OH at 12:00Z on 2021-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 815 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, Cncnati-Daytn, OH at 12:00Z on 2021-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
815 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
973 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

703 
WWUS83 KLMK 072221
SPSLMK

Special Weather Statement
National Weather Service Louisville KY
621 PM EDT Sat Aug 7 2021
 
KYZ056-067-072245-
Lincoln KY-Garrard KY-
621 PM EDT Sat Aug 7 2021

...A strong thunderstorm will impact portions of northeastern Lincoln
and southern Garrard Counties through 645 PM EDT...

At 620 PM EDT, Doppler radar was tracking a strong thunderstorm west 
of Lancaster, moving east at 10 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...
  Lancaster around 640 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

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 3747 8450 3760 8469 3761 8468 3762 8468
      3762 8465 3764 8466 3764 8465 3765 8466
      3764 8468 3767 8467 3766 8444 3765 8443
TIME...MOT...LOC 2220Z 290DEG 9KT 3762 8464 

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
Aug 7, 4:36 PM EDTSpecial Weather StatementLMKWashington24 min
Aug 7, 4:58 PM EDTSpecial Weather StatementLMKWashington32 min
Aug 7, 5:08 PM EDTSpecial Weather StatementLMKMercer22 min
Aug 7, 5:47 PM EDTSpecial Weather StatementLMKMarion13 min
Aug 7, 5:50 PM EDTSpecial Weather StatementLMKMercer25 min
Aug 7, 6:06 PM EDTSpecial Weather StatementLMKMarion24 min
Aug 7, 7:20 PM EDTSpecial Weather StatementLMKLarue25 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.