Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 46, NWS Jackson, KY

June 21, 20215 counties in Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Jun 21, 2021, 2:26 PM EDT for 5 counties in Kentucky. It was in force for 34 min. 2 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 21, 2021, 2:26 PM EDT (18:26 UTC)
Expired: Jun 21, 2021, 3:00 PM EDT
In force: 34 min
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Estill County, KY, Menifee County, KY, Montgomery County, KY, Powell County, KY, Wolfe County, KY

The radar

The Jackson,KY radar (KJKL), 64 km from the middle of the area, began a volume at 18:27 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 21, 2:38 PM EDT	TSTM WND DMG	2 Nw Stanton, KY	NWS EMPLOYEE REPORTS A LARGE TREE SNAPPED ALONG POMPEII ROAD NEAR THE INTERSECTION WITH THORPE RIDGE RD. EVENT TIME ESTIMATED FROM RADAR.
Jun 21, 2:40 PM EDT	TSTM WND DMG	2 Nw Stanton, KY	TREE DOWN ALONG HIGHWAY 615. TIME ESTIMATED FROM RADAR.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 21, 1:52 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.4 hours before the alert went out and 179 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: 1320 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 785 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 313 m²/s²
0-3 km storm-relative helicity: 308 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 6.7

Open this sounding in Storm Lab

The text

As transmitted.

108 
WUUS53 KJKL 211826
SVRJKL
KYC065-165-173-197-237-211900-
/O.NEW.KJKL.SV.W.0046.210621T1826Z-210621T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
226 PM EDT Mon Jun 21 2021

The National Weather Service in JACKSON KY has issued a

* Severe Thunderstorm Warning for...
  Powell County in east central Kentucky...
  Southeastern Montgomery County in east central Kentucky...
  Northern Estill County in east central Kentucky...
  Menifee County in east central Kentucky...
  Northwestern Wolfe County in southeastern Kentucky...

* Until 300 PM EDT.

* At 226 PM EDT, a severe thunderstorm was located over Harris Ferry,
  or 10 miles northeast of Richmond, moving east at 50 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 be near...
  Cressy around 230 PM EDT.
  Spout Springs around 235 PM EDT.
  Stanton around 240 PM EDT.
  Rosslyn around 245 PM EDT.

Other locations in the path of this severe thunderstorm include Bowen
and Campsites in the Indian Creek area of the Daniel Boone National
Forrest.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3775 8351 3773 8409 3777 8409 3778 8411
      3781 8408 3782 8410 3780 8412 3781 8412
      3784 8408 3782 8407 3785 8406 3784 8400
      3787 8403 3787 8402 3794 8397 3801 8355
TIME...MOT...LOC 1826Z 263DEG 45KT 3783 8412 

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

DJ

2 follow-up statements

286 
WWUS53 KJKL 211851
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
251 PM EDT Mon Jun 21 2021

KYC065-165-173-197-237-211900-
/O.CON.KJKL.SV.W.0046.000000T0000Z-210621T1900Z/
Powell KY-Montgomery KY-Estill KY-Menifee KY-Wolfe KY-
251 PM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT
FOR POWELL...SOUTHEASTERN MONTGOMERY...NORTHERN ESTILL...MENIFEE AND
NORTHWESTERN WOLFE COUNTIES...

At 250 PM EDT, a severe thunderstorm was located over Bowen, or near
Stanton, moving east at 50 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
  Tabor, Mariba and Denniston.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3775 8351 3773 8409 3777 8409 3778 8411
      3781 8408 3782 8410 3780 8412 3781 8412
      3784 8408 3782 8407 3785 8406 3784 8400
      3787 8403 3787 8402 3794 8397 3801 8355
TIME...MOT...LOC 1850Z 263DEG 45KT 3787 8373 

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

GEERTSON

188 
WWUS53 KJKL 211902
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
302 PM EDT Mon Jun 21 2021

KYC065-165-173-197-237-211910-
/O.EXP.KJKL.SV.W.0046.000000T0000Z-210621T1900Z/
Powell KY-Montgomery KY-Estill KY-Menifee KY-Wolfe KY-
302 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR POWELL...SOUTHEASTERN
MONTGOMERY...NORTHERN ESTILL...MENIFEE AND NORTHWESTERN WOLFE
COUNTIES HAS EXPIRED...
    
The severe thunderstorm which prompted the warning is still ongoing. 
A new warning has been issued until 330 PM. Refer to that bulletin 
for further details. 

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
southeastern and east central Kentucky.

Remember, a Severe Thunderstorm Warning still remains in effect 
until 330 PM.

LAT...LON 3775 8351 3773 8409 3777 8409 3778 8411
      3781 8408 3782 8410 3780 8412 3781 8412
      3784 8408 3782 8407 3785 8406 3784 8400
      3787 8403 3787 8402 3794 8397 3801 8355
TIME...MOT...LOC 1900Z 263DEG 45KT 3788 8359 

$$

GEERTSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 12:30 PM EDT	Special Weather Statement	JKL	Menifee, Montgomery	30 min
Jun 21, 12:34 PM EDT	Special Weather Statement	JKL	Jackson	26 min
Jun 21, 12:55 PM EDT	Special Weather Statement	JKL	Breathitt	35 min
Jun 21, 1:01 PM EDT	Special Weather Statement	JKL	Martin	29 min
Jun 21, 1:14 PM EDT	Special Weather Statement	JKL	Knott	16 min
Jun 21, 1:16 PM EDT	Special Weather Statement	JKL	Montgomery	29 min
Jun 21, 1:22 PM EDT	Special Weather Statement	JKL	Menifee	23 min
Jun 21, 1:26 PM EDT	Severe Thunderstorm Warning	JKL	Bath, Menifee, Montgomery, Powell	34 min
Jun 21, 1:35 PM EDT	Special Weather Statement	JKL	Wolfe	25 min
Jun 21, 1:38 PM EDT	Severe Thunderstorm Warning	JKL	Menifee, Montgomery, Powell	37 min
Jun 21, 1:45 PM EDT	Special Weather Statement	JKL	Menifee, Morgan	30 min
Jun 21, 1:58 PM EDT	Special Weather Statement	JKL	Wolfe	32 min
Jun 21, 2:08 PM EDT	Severe Thunderstorm Warning	JKL	Menifee, Morgan, Powell, Rowan, Wolfe	37 min
Jun 21, 2:10 PM EDT	Special Weather Statement	JKL	Martin	35 min
Jun 21, 2:33 PM EDT	Special Weather Statement	JKL	Elliott	27 min
Jun 21, 2:39 PM EDT	Special Weather Statement	JKL	Rockcastle	36 min
Jun 21, 2:43 PM EDT	Severe Thunderstorm Warning	JKL	Jackson, Rockcastle	32 min
Jun 21, 2:49 PM EDT	Special Weather Statement	JKL	Estill	26 min
Jun 21, 2:51 PM EDT	Special Weather Statement	JKL	Pulaski, Wayne	24 min
Jun 21, 2:52 PM EDT	Areal Flood Advisory	JKL	Estill, Menifee, Montgomery, Morgan, Powell, Wolfe	3 hr
Jun 21, 2:57 PM EDT	Special Weather Statement	JKL	Jackson	33 min
Jun 21, 3:00 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Estill, Lee, Menifee, Montgomery, Morgan and 2 more	30 min
Jun 21, 3:10 PM EDT	Severe Thunderstorm Warning	JKL	Estill, Jackson, Lee, Owsley	35 min
Jun 21, 3:22 PM EDT	Severe Thunderstorm Warning	JKL	Clay, Jackson, Laurel, Lee, Owsley, Rockcastle	23 min
Jun 21, 3:29 PM EDT	Special Weather Statement	JKL	Wolfe	31 min
Jun 21, 3:41 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Lee, Owsley, Wolfe	34 min
Jun 21, 3:46 PM EDT	Special Weather Statement	JKL	Owsley	29 min
Jun 21, 3:47 PM EDT	Special Weather Statement	JKL	Wayne	43 min
Jun 21, 3:51 PM EDT	Special Weather Statement	JKL	Jackson, Rockcastle	24 min
Jun 21, 3:55 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Clay, Leslie, Owsley, Perry	35 min
Jun 21, 4:06 PM EDT	Special Weather Statement	JKL	Magoffin	24 min
Jun 21, 4:08 PM EDT	Severe Thunderstorm Warning	JKL	Pulaski, Wayne	37 min
Jun 21, 4:18 PM EDT	Severe Thunderstorm Warning	JKL	Pulaski, Wayne	27 min
Jun 21, 4:23 PM EDT	Special Weather Statement	JKL	Jackson, Rockcastle	37 min
Jun 21, 4:28 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Floyd, Knott, Magoffin	32 min
Jun 21, 4:29 PM EDT	Areal Flood Advisory	JKL	Clay, Jackson, Laurel, Owsley, Pulaski, Rockcastle	3 hr
Jun 21, 4:30 PM EDT	Special Weather Statement	JKL	Knott, Perry	30 min
Jun 21, 4:34 PM EDT	Severe Thunderstorm Warning	JKL	Laurel, McCreary, Pulaski, Rockcastle	26 min
Jun 21, 4:42 PM EDT	Special Weather Statement	JKL	McCreary, Whitley	48 min
Jun 21, 4:42 PM EDT	Severe Thunderstorm Warning	JKL	Floyd, Johnson, Martin, Pike	33 min
Jun 21, 4:51 PM EDT	Areal Flood Advisory	JKL	Breathitt, Floyd, Johnson, Magoffin	3 hr
Jun 21, 4:53 PM EDT	Special Weather Statement	JKL	Leslie	37 min
Jun 21, 4:56 PM EDT	Severe Thunderstorm Warning	JKL	Clay, Jackson, Laurel, Owsley, Rockcastle	39 min
Jun 21, 5:00 PM EDT	Special Weather Statement	JKL	Knott	30 min
Jun 21, 5:01 PM EDT	Special Weather Statement	JKL	Wayne	29 min
Jun 21, 5:04 PM EDT	Special Weather Statement	JKL	Bell, Knox, Whitley	41 min
Jun 21, 5:12 PM EDT	Special Weather Statement	JKL	Pike	33 min
Jun 21, 5:17 PM EDT	Severe Thunderstorm Warning	JKL	Bell	43 min
Jun 21, 5:25 PM EDT	Severe Thunderstorm Warning	JKL	Bell, Clay, Knox, Whitley	50 min
Jun 21, 5:28 PM EDT	Special Weather Statement	JKL	Leslie	17 min
Jun 21, 5:34 PM EDT	Special Weather Statement	JKL	Clay	26 min
Jun 21, 5:49 PM EDT	Special Weather Statement	JKL	Whitley	41 min
Jun 21, 5:52 PM EDT	Special Weather Statement	JKL	Harlan	38 min
Jun 21, 6:10 PM EDT	Special Weather Statement	JKL	Leslie	50 min
Jun 21, 6:15 PM EDT	Special Weather Statement	JKL	Bell	45 min
Jun 21, 6:32 PM EDT	Special Weather Statement	JKL	Letcher	43 min
Jun 21, 6:34 PM EDT	Severe Thunderstorm Warning	JKL	Harlan, Letcher, Perry	41 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.