Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Louisville, KY

August 9, 2021Green County, Taylor County, Kentucky

NWS Louisville, KY issued this special weather statement at Aug 9, 2021, 11:49 AM CDT for Green County, Taylor County, Kentucky. It was in force for 26 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 9, 2021, 11:49 AM CDT (16:49 UTC)
Expired
Aug 9, 2021, 12:15 PM CDT
In force
26 min
Issued by
NWS Louisville, KY
Hail
0.00 in
Wind
40

Counties Green County, KY, Taylor County, KY

The radar

The Louisville radar (KLVX), 80 km from the middle of the area, began a volume at 16:48 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 12:00Z, 4.8 hours before the alert went out and 160 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 2021-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 788 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 2021-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 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
788 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
892 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

643 
WWUS83 KLMK 091649
SPSLMK

Special Weather Statement
National Weather Service Louisville KY
1249 PM EDT Mon Aug 9 2021
 
KYZ054-063>065-091715-
Hart KY-Marion KY-Taylor KY-Green KY-
1249 PM EDT Mon Aug 9 2021

...Strong thunderstorms will impact portions of Green, southern
Marion, southeastern Hart and northern Taylor Counties through 115 PM
EDT/1215 PM CDT/...

At 1249 PM EDT/1149 AM CDT/, Doppler radar was tracking strong
thunderstorms along a line extending from near Campbellsville to near
Munfordville. Movement was east at 20 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Strong thunderstorms will be near...
  Campbellsville around 100 PM EDT.

Other locations in the path of these storms include Three Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

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

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

&&

LAT...LON 3718 8569 3717 8574 3724 8602 3748 8549
      3747 8547 3749 8547 3747 8506 3715 8565
TIME...MOT...LOC 1649Z 275DEG 18KT 3739 8540 3724 8593 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$

JML

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 11:11 AM CDTSpecial Weather StatementLMKWoodford19 min
Aug 9, 12:10 PM CDTSpecial Weather StatementLMKBoyle35 min
Aug 9, 12:13 PM CDTSpecial Weather StatementLMKGreen, Taylor32 min
Aug 9, 12:41 PM CDTSpecial Weather StatementLMKAdair, Casey, Lincoln19 min
Aug 9, 1:25 PM CDTSpecial Weather StatementLMKAdair, Metcalfe, Taylor35 min
Aug 9, 1:27 PM CDTSpecial Weather StatementLMKClinton18 min
Aug 9, 1:56 PM CDTSpecial Weather StatementLMKEdmonson34 min
Aug 9, 2:52 PM CDTSpecial Weather StatementLMKGreen23 min
Aug 9, 3:14 PM CDTAreal Flood AdvisoryLMKGreen, Taylor2 hr
Aug 9, 3:28 PM CDTAreal Flood AdvisoryLMKMetcalfe2 hr
Aug 9, 3:53 PM CDTSpecial Weather StatementLMKCumberland22 min
Aug 9, 4:04 PM CDTSpecial Weather StatementLMKClinton, Cumberland26 min
Aug 9, 4:30 PM CDTSpecial Weather StatementLMKClinton30 min
Aug 9, 4:38 PM CDTSpecial Weather StatementLMKMonroe22 min
Aug 9, 5:18 PM CDTSpecial Weather StatementLMKMonroe27 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; radar from the NEXRAD Level II archive.