Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 63, NWS Louisville, KY

June 29, 2021Butler County, Edmonson County, Warren County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 29, 2021, 6:11 PM CDT for Butler County, Edmonson County, Warren County, Kentucky. It was in force for 23 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
Jun 29, 2021, 6:11 PM CDT (23:11 UTC)
Expired
Jun 29, 2021, 6:34 PM CDT
In force
23 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Butler County, KY, Edmonson County, KY, Warren County, KY

The radar

The Ft Campbell radar (KHPX), 88 km from the middle of the area, began a volume at 23:14 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, 11.2 hours before the alert went out and 109 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 2021-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1387 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 2021-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
1387 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
1208 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

793 
WUUS53 KLMK 292311
SVRLMK
KYC031-061-227-292345-
/O.NEW.KLMK.SV.W.0063.210629T2311Z-210629T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
611 PM CDT Tue Jun 29 2021

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  East central Butler County in south central Kentucky...
  Northwestern Warren County in south central Kentucky...
  Southwestern Edmonson County in south central Kentucky...

* Until 645 PM CDT.

* At 611 PM CDT, a severe thunderstorm was located near Plum Springs,
  moving north at 10 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* This severe thunderstorm will remain over mainly rural areas of
  east central Butler, northwestern Warren and southwestern Edmonson
  Counties, including the following locations... Segal, Barren River,
  Asphalt, Girkin, Nick, Greencastle, Benleo, Richardsville, Glenmore
  and Reedyville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Hail and damaging winds and continuous cloud to ground lightning is 
occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 3706 8631 3701 8650 3716 8663 3722 8631
TIME...MOT...LOC 2311Z 172DEG 8KT 3708 8643 

HAIL...0.75IN
WIND...60MPH
 
$$

SCHOETTMER
1 follow-up statement
272 
WWUS53 KLMK 292334
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
634 PM CDT Tue Jun 29 2021

KYC031-061-227-292344-
/O.CAN.KLMK.SV.W.0063.000000T0000Z-210629T2345Z/
Butler KY-Warren KY-Edmonson KY-
634 PM CDT Tue Jun 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BUTLER...
NORTHWESTERN WARREN AND SOUTHWESTERN EDMONSON COUNTIES IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm.

LAT...LON 3706 8631 3701 8650 3716 8663 3722 8631
TIME...MOT...LOC 2333Z 172DEG 8KT 3713 8644 

$$

SCHOETTMER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 4:19 PM CDTSpecial Weather StatementLMKLogan26 min
Jun 29, 4:45 PM CDTSpecial Weather StatementLMKLogan30 min
Jun 29, 5:38 PM CDTSpecial Weather StatementLMKWarren37 min
Jun 29, 6:10 PM CDTSpecial Weather StatementLMKWarren35 min
Jun 29, 6:15 PM CDTSpecial Weather StatementLMKOhio30 min
Jun 29, 6:40 PM CDTSevere Thunderstorm WarningLMKOhio35 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2021Every severe thunderstorm warning 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.