Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 34, NWS Louisville, KY

June 11, 2021Floyd County, Harrison County, Indiana; Jefferson County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 11, 2021, 5:59 PM EDT for Floyd County, Harrison County, Indiana; Jefferson County, Kentucky. It was in force for 31 min. 4 reports 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, 5:59 PM EDT (21:59 UTC)
Expired: Jun 11, 2021, 6:30 PM EDT
In force: 31 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Floyd County, IN, Harrison County, IN, Jefferson County, KY

The radar

The Louisville radar (KLVX), 22 km from the middle of the area, began a volume at 21:59 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, 6:00 PM EDT	TSTM WND DMG	1 N Pleasure Ridge Par, KY	SOCIAL MEDIA PHOTOS OF DAMAGED METAL SHED BLOWN FROM OWNERS PROPERTY. TIME ESTIMATED FROM RADAR.
Jun 11, 6:01 PM EDT	TSTM WND DMG	1 Wnw Pleasure Ridge Pa, KY	TREE DOWN GRANDEL FARMS. TIME ESTIMATED FROM RADAR.
Jun 11, 6:01 PM EDT	TSTM WND DMG	1 Wsw Pleasure Ridge Pa, KY	TREE LIMB DOWN ON STRIVE LN. TIME ESTIMATED FROM RADAR.
Jun 11, 6:25 PM EDT	TSTM WND DMG	2 Se Valley Station, KY	TREES DOWN ALONG BLEVINS GAP ROAD BETWEEN VALLEY STATION AND FAIRDALE.

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, 10.0 hours before the alert went out and 227 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.

278 
WUUS53 KLMK 112159
SVRLMK
INC043-061-KYC111-112230-
/O.NEW.KLMK.SV.W.0034.210611T2159Z-210611T2230Z/

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

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  East central Harrison County in south central Indiana...
  South central Floyd County in south central Indiana...
  Southwestern Jefferson County in central Kentucky...

* Until 630 PM EDT.

* At 559 PM EDT, a severe thunderstorm was located near St. Dennis,
  moving south at 20 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Shively and Pleasure Ridge Park around 605 PM EDT.
  Valley Station around 615 PM EDT.

Other locations in the path of this severe thunderstorm include
Fairdale and Hollyvilla.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3828 8582 3809 8571 3805 8583 3803 8593
      3824 8599
TIME...MOT...LOC 2159Z 343DEG 18KT 3820 8591 

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

MJ

2 follow-up statements

975 
WWUS53 KLMK 112210
SVSLMK

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

INC043-061-KYC111-112230-
/O.CON.KLMK.SV.W.0034.000000T0000Z-210611T2230Z/
Harrison IN-Floyd IN-Jefferson KY-
610 PM EDT Fri Jun 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR EAST CENTRAL HARRISON...SOUTH CENTRAL FLOYD AND SOUTHWESTERN
JEFFERSON COUNTIES...

At 610 PM EDT, a severe thunderstorm was located over Pleasure Ridge
Park, moving south at 20 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

This severe storm will be near...
  Valley Station around 615 PM EDT.

Other locations in the path of this severe thunderstorm include
Fairdale and Hollyvilla.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3828 8582 3809 8571 3805 8583 3803 8593
      3820 8595
TIME...MOT...LOC 2210Z 340DEG 18KT 3815 8587 

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

MJ

968 
WWUS53 KLMK 112227
SVSLMK

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

INC043-061-KYC111-112236-
/O.EXP.KLMK.SV.W.0034.000000T0000Z-210611T2230Z/
Harrison IN-Floyd IN-Jefferson KY-
627 PM EDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL HARRISON...SOUTH
CENTRAL FLOYD AND SOUTHWESTERN JEFFERSON COUNTIES WILL EXPIRE AT 630
PM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However gusty winds and heavy rain are still 
possible with this thunderstorm as it moves southward through 
portions of Bullitt and Hardin counties.

LAT...LON 3828 8582 3809 8571 3805 8583 3803 8593
      3820 8595
TIME...MOT...LOC 2226Z 343DEG 18KT 3807 8584 

$$

MJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 4:41 PM EDT	Special Weather Statement	LMK	Clark, Scott	34 min
Jun 11, 5:14 PM EDT	Special Weather Statement	LMK	Clark	31 min
Jun 11, 5:31 PM EDT	Special Weather Statement	LMK	Floyd, Harrison	59 min
Jun 11, 6:43 PM EDT	Special Weather Statement	LMK	Dubois	62 min
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, 5:32 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, 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, 6:35 PM EDT	Severe Thunderstorm Warning	LMK	Anderson, Franklin, Woodford	25 min
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 Indiana, 2021 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.