Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 36, NWS Louisville, KY

June 11, 2021Anderson County, Franklin County, Woodford County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 11, 2021, 6:35 PM EDT for Anderson County, Franklin County, Woodford County, Kentucky. It was in force for 25 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: Jun 11, 2021, 6:35 PM EDT (22:35 UTC)
Expired: Jun 11, 2021, 7:00 PM EDT
In force: 25 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Anderson County, KY, Franklin County, KY, Woodford County, KY

The radar

The Louisville radar (KLVX), 104 km from the middle of the area, began a volume at 22:36 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
Jun 11, 6:43 PM EDT	TSTM WND DMG	Lawrenceburg, KY	TREES DOWN IN POWER LINES WITH POWER LINES SPARKING. VIDEO PROVIDED VIA TWITTER.

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, 10.6 hours before the alert went out and 173 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: 459 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 803 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -36 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.

264 
WUUS53 KLMK 112235
SVRLMK
KYC005-073-239-112300-
/O.NEW.KLMK.SV.W.0036.210611T2235Z-210611T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
635 PM EDT Fri Jun 11 2021

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  Northern Woodford County in central Kentucky...
  Northeastern Anderson County in central Kentucky...
  Southeastern Franklin County in central Kentucky...

* Until 700 PM EDT.

* At 635 PM EDT, a severe thunderstorm was located over Frankfort,
  moving south at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Lawrenceburg around 645 PM EDT.
  Versailles around 650 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3800 8466 3796 8491 3818 8495 3825 8476
      3802 8466
TIME...MOT...LOC 2235Z 348DEG 30KT 3817 8486 

HAIL...<.75IN
WIND...60MPH
 
$$

MJ

1 follow-up statement

494 
WWUS53 KLMK 112258
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
658 PM EDT Fri Jun 11 2021

KYC005-073-239-112307-
/O.EXP.KLMK.SV.W.0036.000000T0000Z-210611T2300Z/
Woodford KY-Anderson KY-Franklin KY-
658 PM EDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN WOODFORD...
NORTHEASTERN ANDERSON AND SOUTHEASTERN FRANKLIN COUNTIES WILL EXPIRE
AT 700 PM EDT...
                
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 will be allowed to expire.  However gusty
winds and heavy rain will continue with this thunderstorm.

LAT...LON 3800 8466 3796 8491 3818 8495 3825 8476
      3802 8466
TIME...MOT...LOC 2257Z 348DEG 30KT 3799 8481 

$$

MJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 8:40 PM EDT	Areal Flood Advisory	LMK	Madison	3 hr
Jun 11, 5:48 AM EDT	Areal Flood Advisory	LMK	Madison	3 hr
Jun 11, 2:46 PM EDT	Special Weather Statement	LMK	Clinton	44 min
Jun 11, 5:07 PM EDT	Areal Flood Advisory	LMK	Clark	3 hr
Jun 11, 5:21 PM EDT	Areal Flood Advisory	LMK	Clinton, Cumberland	3 hr
Jun 11, 5:28 PM EDT	Special Weather Statement	LMK	Clark, Fayette, Jessamine, Madison	47 min
Jun 11, 5:31 PM EDT	Special Weather Statement	LMK	Jefferson, Oldham	59 min
Jun 11, 5:32 PM EDT	Special Weather Statement	LMK	Henry	28 min
Jun 11, 5:41 PM EDT	Flash Flood Warning	LMK	Clark	2 hr
Jun 11, 5:46 PM EDT	Areal Flood Advisory	LMK	Fayette, Garrard, Jessamine, Madison	3 hr
Jun 11, 5:53 PM EDT	Areal Flood Advisory	LMK	Casey, Lincoln	3 hr
Jun 11, 5:59 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson	31 min
Jun 11, 6:05 PM EDT	Severe Thunderstorm Warning	LMK	Garrard, Madison	29 min
Jun 11, 6:20 PM EDT	Special Weather Statement	LMK	Bullitt	55 min
Jun 11, 6:23 PM EDT	Special Weather Statement	LMK	Anderson, Boyle, Garrard, Lincoln, Mercer	67 min
Jun 11, 6:32 PM EDT	Areal Flood Advisory	LMK	Anderson, Franklin, Garrard, Lincoln, Mercer, Woodford	3 hr
Jun 11, 6:59 PM EDT	Special Weather Statement	LMK	Jessamine, Woodford	46 min
Jun 11, 7:01 PM EDT	Special Weather Statement	LMK	Hardin, Larue, Nelson	59 min
Jun 11, 7:25 PM EDT	Special Weather Statement	LMK	Casey	50 min
Jun 11, 7:58 PM EDT	Special Weather Statement	LMK	Hart	47 min
Jun 11, 7:58 PM EDT	Special Weather Statement	LMK	Marion	47 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.