Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 71, NWS Louisville, KY

July 6, 2021Anderson County, Mercer County, Woodford County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 6, 2021, 3:04 PM EDT for Anderson County, Mercer County, Woodford County, Kentucky. It was in force for 26 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 6, 2021, 3:04 PM EDT (19:04 UTC)
Expired: Jul 6, 2021, 3:30 PM EDT
In force: 26 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Anderson County, KY, Mercer County, KY, Woodford County, KY

The radar

The Louisville radar (KLVX), 105 km from the middle of the area, began a volume at 19:05 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.

What was reported inside it

Time	Report	Where	Remark
Jul 6, 3:14 PM EDT	TSTM WND DMG	Salvisa, KY	TREE DOWN OVER ROAD NEAR SALVISA IN NORTHERN MERCER COUNTY, KY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.1 hours before the alert went out and 194 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: 1401 J/kg
Mixed-layer CIN: -68 J/kg
Mixed-layer LCL: 1022 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: -2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

614 
WUUS53 KLMK 061904
SVRLMK
KYC005-167-239-061930-
/O.NEW.KLMK.SV.W.0071.210706T1904Z-210706T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
304 PM EDT Tue Jul 6 2021

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  Central Mercer County in central Kentucky...
  Southwestern Woodford County in central Kentucky...
  Southeastern Anderson County in central Kentucky...

* Until 330 PM EDT.

* At 304 PM EDT, a severe thunderstorm was located near Harrodsburg,
  and is nearly stationary.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Harrodsburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large 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 3787 8471 3784 8471 3783 8473 3782 8473
      3781 8472 3774 8473 3782 8498 3802 8489
      3789 8470
TIME...MOT...LOC 1904Z 109DEG 4KT 3784 8478 

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

RJS

1 follow-up statement

416 
WWUS53 KLMK 061930
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
330 PM EDT Tue Jul 6 2021

KYC005-167-239-061940-
/O.EXP.KLMK.SV.W.0071.000000T0000Z-210706T1930Z/
Mercer KY-Woodford KY-Anderson KY-
330 PM EDT Tue Jul 6 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MERCER...SOUTHWESTERN
WOODFORD AND SOUTHEASTERN ANDERSON COUNTIES HAS EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Louisville.

A Severe Thunderstorm Warning still remains in effect for the 
northern half of Mercer county as well as west central Woodford 
county.

LAT...LON 3787 8471 3784 8471 3783 8473 3782 8473
      3781 8472 3774 8473 3782 8498 3802 8489
      3789 8470
TIME...MOT...LOC 1930Z 109DEG 4KT 3785 8481 

$$

RJS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 12:32 PM EDT	Areal Flood Advisory	LMK	Fayette	3 hr
Jul 6, 1:40 PM EDT	Special Weather Statement	LMK	Hardin	20 min
Jul 6, 2:05 PM EDT	Special Weather Statement	LMK	Hardin	25 min
Jul 6, 2:17 PM EDT	Special Weather Statement	LMK	Nelson	28 min
Jul 6, 2:20 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge	25 min
Jul 6, 2:44 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge	31 min
Jul 6, 2:45 PM EDT	Special Weather Statement	LMK	Bullitt, Nelson	30 min
Jul 6, 2:51 PM EDT	Special Weather Statement	LMK	Mercer	24 min
Jul 6, 3:25 PM EDT	Severe Thunderstorm Warning	LMK	Anderson, Mercer, Woodford	35 min
Jul 6, 3:56 PM EDT	Special Weather Statement	LMK	Jefferson	34 min
Jul 6, 3:56 PM EDT	Special Weather Statement	LMK	Woodford	34 min
Jul 6, 4:21 PM EDT	Special Weather Statement	LMK	Jefferson	24 min
Jul 6, 4:25 PM EDT	Special Weather Statement	LMK	Scott	20 min
Jul 6, 4:26 PM EDT	Special Weather Statement	LMK	Nicholas	19 min
Jul 6, 4:34 PM EDT	Severe Thunderstorm Warning	LMK	Scott	26 min
Jul 6, 4:42 PM EDT	Special Weather Statement	LMK	Shelby	18 min
Jul 6, 4:46 PM EDT	Special Weather Statement	LMK	Washington	14 min
Jul 6, 4:49 PM EDT	Areal Flood Advisory	LMK	Scott	116 min
Jul 6, 4:53 PM EDT	Special Weather Statement	LMK	Nicholas	22 min
Jul 6, 4:57 PM EDT	Special Weather Statement	LMK	Shelby	18 min
Jul 6, 5:00 PM EDT	Special Weather Statement	LMK	Scott	30 min
Jul 6, 5:03 PM EDT	Severe Thunderstorm Warning	LMK	Bourbon, Harrison, Nicholas	27 min
Jul 6, 5:16 PM EDT	Special Weather Statement	LMK	Shelby	14 min
Jul 6, 5:19 PM EDT	Areal Flood Advisory	LMK	Bourbon, Nicholas	90 min
Jul 6, 5:25 PM EDT	Special Weather Statement	LMK	Oldham	20 min
Jul 6, 5:29 PM EDT	Special Weather Statement	LMK	Henry	16 min
Jul 6, 5:44 PM EDT	Special Weather Statement	LMK	Trimble	31 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.