Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 49, NWS Jackson, KY

June 21, 20214 counties in Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Jun 21, 2021, 3:10 PM EDT for 4 counties in Kentucky. It was in force for 35 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 21, 2021, 3:10 PM EDT (19:10 UTC)
Expired: Jun 21, 2021, 3:45 PM EDT
In force: 35 min
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Estill County, KY, Jackson County, KY, Lee County, KY, Owsley County, KY

The radar

The Jackson,KY radar (KJKL), 65 km from the middle of the area, began a volume at 19:10 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, 3:12 PM EDT	TSTM WND DMG	1 Ssw Shirley, KY	CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 1 SSW SHIRLEY. TREE ACROSS OWSLEY FORK ROAD.

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, 7.2 hours before the alert went out and 208 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.

523 
WUUS53 KJKL 211910
SVRJKL
KYC065-109-129-189-211945-
/O.NEW.KJKL.SV.W.0049.210621T1910Z-210621T1945Z/

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

The National Weather Service in JACKSON KY has issued a

* Severe Thunderstorm Warning for...
  Northwestern Owsley County in southeastern Kentucky...
  Southern Estill County in east central Kentucky...
  Northern Jackson County in southeastern Kentucky...
  Southwestern Lee County in southeastern Kentucky...

* Until 345 PM EDT.

* At 310 PM EDT, a severe thunderstorm was located over Hisel, or 8
  miles northwest of McKee, moving east at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Blanton Flats around 315 PM EDT.
  Drip Rock around 320 PM EDT.
  Leighton around 325 PM EDT.
  Willow Shoals around 330 PM EDT.

Other locations in the path of this severe thunderstorm include
Whynot.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3756 8415 3757 8409 3764 8413 3764 8412
      3766 8409 3767 8377 3749 8369 3738 8410
      3755 8418
TIME...MOT...LOC 1910Z 254DEG 36KT 3753 8408 

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

GEERTSON

2 follow-up statements

829 
WWUS53 KJKL 211932
SVSJKL

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

KYC065-109-129-189-211945-
/O.CON.KJKL.SV.W.0049.000000T0000Z-210621T1945Z/
Owsley KY-Estill KY-Jackson KY-Lee KY-
332 PM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR NORTHWESTERN OWSLEY...SOUTHEASTERN ESTILL...NORTHEASTERN JACKSON
AND SOUTHWESTERN LEE COUNTIES...

At 332 PM EDT, a severe thunderstorm was located over Willow Shoals,
or near Beattyville, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
  Whynot.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3741 8405 3767 8392 3767 8377 3749 8369
      3745 8385
TIME...MOT...LOC 1932Z 254DEG 36KT 3759 8381 

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

GREIF

331 
WWUS53 KJKL 211944
SVSJKL

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

KYC065-109-129-189-211954-
/O.EXP.KJKL.SV.W.0049.000000T0000Z-210621T1945Z/
Owsley KY-Estill KY-Jackson KY-Lee KY-
344 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN OWSLEY...
SOUTHEASTERN ESTILL...NORTHEASTERN JACKSON AND SOUTHWESTERN LEE
COUNTIES WILL EXPIRE AT 345 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

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

LAT...LON 3741 8405 3767 8392 3767 8377 3749 8369
      3745 8385
TIME...MOT...LOC 1944Z 254DEG 36KT 3762 8368 

$$

GREIF

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, 2:26 PM EDT	Severe Thunderstorm Warning	JKL	Estill, Menifee, Montgomery, Powell, Wolfe	34 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, 3:22 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.