Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 48, NWS Louisville, KY

June 13, 2021Grayson County, Hardin County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 13, 2021, 2:32 PM CDT for Grayson County, Hardin County, Kentucky. It was in force for 28 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 13, 2021, 2:32 PM CDT (19:32 UTC)
Expired: Jun 13, 2021, 3:00 PM CDT
In force: 28 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Grayson County, KY, Hardin County, KY

The radar

The Louisville radar (KLVX), 53 km from the middle of the area, began a volume at 19:33 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, 7.5 hours before the alert went out and 163 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1410 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 1150 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

As transmitted.

331 
WUUS53 KLMK 131932
SVRLMK
KYC085-093-132000-
/O.NEW.KLMK.SV.W.0048.210613T1932Z-210613T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
332 PM EDT Sun Jun 13 2021

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  Northeastern Grayson County in central Kentucky...
  Southwestern Hardin County in central Kentucky...

* Until 400 PM EDT/300 PM CDT/.

* At 332 PM EDT/232 PM CDT/, a severe thunderstorm was located near
  Leitchfield, moving southwest at 10 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Leitchfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3758 8632 3758 8631 3759 8630 3759 8629
      3760 8628 3759 8628 3762 8626 3763 8624
      3757 8608 3744 8616 3754 8638
TIME...MOT...LOC 1932Z 032DEG 7KT 3756 8623 

HAIL...1.00IN
WIND...60MPH
 
$$

RAS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 7:35 PM CDT	Special Weather Statement	LMK	Ohio	25 min
Jun 12, 7:58 PM CDT	Special Weather Statement	LMK	Ohio	32 min
Jun 12, 8:28 PM CDT	Special Weather Statement	LMK	Ohio	32 min
Jun 13, 2:05 AM CDT	Special Weather Statement	LMK	Hancock	25 min
Jun 13, 4:53 AM CDT	Special Weather Statement	LMK	Butler	37 min
Jun 13, 1:23 PM CDT	Special Weather Statement	LMK	Scott	37 min
Jun 13, 1:43 PM CDT	Special Weather Statement	LMK	Hardin	32 min
Jun 13, 1:52 PM CDT	Severe Thunderstorm Warning	LMK	Fayette, Scott, Woodford	23 min
Jun 13, 1:58 PM CDT	Special Weather Statement	LMK	Bourbon	32 min
Jun 13, 2:03 PM CDT	Severe Thunderstorm Warning	LMK	Bourbon, Nicholas	27 min
Jun 13, 2:35 PM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Spencer	25 min
Jun 13, 2:45 PM CDT	Areal Flood Advisory	LMK	Scott	36 min
Jun 13, 2:59 PM CDT	Special Weather Statement	LMK	Nelson	31 min
Jun 13, 3:07 PM CDT	Special Weather Statement	LMK	Nicholas	38 min
Jun 13, 3:16 PM CDT	Severe Thunderstorm Warning	LMK	Fayette, Scott, Woodford	29 min
Jun 13, 3:21 PM CDT	Flash Flood Warning	LMK	Scott	4 hr
Jun 13, 3:46 PM CDT	Areal Flood Advisory	LMK	Fayette, Scott, Woodford	41 min
Jun 13, 3:55 PM CDT	Severe Thunderstorm Warning	LMK	Metcalfe	23 min
Jun 13, 4:25 PM CDT	Special Weather Statement	LMK	Barren	35 min
Jun 13, 4:27 PM CDT	Flash Flood Warning	LMK	Woodford	2 hr
Jun 13, 4:34 PM CDT	Special Weather Statement	LMK	Metcalfe	26 min
Jun 13, 5:05 PM CDT	Special Weather Statement	LMK	Monroe	25 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2021 Every 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.