Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 68, NWS Jackson, KY

July 10, 2021Floyd County, Martin County, Pike County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Jul 10, 2021, 3:08 PM EDT for Floyd County, Martin County, Pike County, Kentucky. It was in force for 52 min. 3 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: Jul 10, 2021, 3:08 PM EDT (19:08 UTC)
Expired: Jul 10, 2021, 4:00 PM EDT
In force: 52 min
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Floyd County, KY, Martin County, KY, Pike County, KY

The radar

The Charleston,WV radar (KRLX), 91 km from the middle of the area, began a volume at 19:11 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 10, 3:10 PM EDT	TSTM WND DMG	2 Nw Betsy Layne, KY	MUTIPLE TREES AND POWER LINES WERE BLOWN DOWN IN STANVILLE.
Jul 10, 3:10 PM EDT	TSTM WND DMG	Betsy Layne, KY	MULTIPLE TREES AND POWER LINES WERE BLOWN DOWN.
Jul 10, 4:00 PM EDT	TSTM WND DMG	Phelps, KY	MULTIPLE TREES AND POWER LINES WERE BLOWN DOWN IN PHELPS.

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

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 7.1 hours before the alert went out and 241 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1182 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: -38 m²/s²
0-3 km storm-relative helicity: 6 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

475 
WUUS53 KJKL 101908
SVRJKL
KYC071-159-195-102000-
/O.NEW.KJKL.SV.W.0068.210710T1908Z-210710T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
308 PM EDT Sat Jul 10 2021

The National Weather Service in JACKSON KY has issued a

* Severe Thunderstorm Warning for...
  South central Martin County in northeastern Kentucky...
  Northeastern Floyd County in southeastern Kentucky...
  Northern Pike County in southeastern Kentucky...

* Until 400 PM EDT.

* At 308 PM EDT, a severe thunderstorm was located over Gulnare, or 9
  miles northwest of Pikeville, moving east at 35 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Meta around 320 PM EDT.
  Varney around 325 PM EDT.

Other locations in the path of this severe thunderstorm include
Canada, Forest Hills, Hardy and Phelps.

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.

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

&&

LAT...LON 3744 8211 3752 8269 3769 8267 3769 8230
      3765 8223 3762 8221 3763 8219 3765 8218
      3762 8218 3758 8213 3757 8214 3755 8213
      3756 8208 3753 8205 3755 8204 3754 8202
      3754 8197
TIME...MOT...LOC 1908Z 274DEG 32KT 3760 8259 

HAIL...1.00IN
WIND...60MPH
 
$$

GREIF

3 follow-up statements

276 
WWUS53 KJKL 101928
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
328 PM EDT Sat Jul 10 2021

KYC071-159-195-102000-
/O.CON.KJKL.SV.W.0068.000000T0000Z-210710T2000Z/
Martin KY-Floyd KY-Pike KY-
328 PM EDT Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR SOUTH CENTRAL MARTIN...EAST CENTRAL FLOYD AND NORTHERN PIKE
COUNTIES...

At 328 PM EDT, a severe thunderstorm was located over Zebulon, or
near Pikeville, moving east at 30 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
  Kimper, Coleman, Jamboree, Paw Paw and Argo.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

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

&&

LAT...LON 3751 8263 3769 8261 3769 8230 3765 8223
      3762 8221 3763 8219 3765 8218 3762 8218
      3758 8213 3757 8214 3755 8213 3756 8208
      3753 8205 3755 8204 3754 8202 3754 8197
      3744 8211
TIME...MOT...LOC 1928Z 287DEG 26KT 3755 8248 

HAIL...1.00IN
WIND...70MPH
 
$$

GREIF

921 
WWUS53 KJKL 101942
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
342 PM EDT Sat Jul 10 2021

KYC071-159-101952-
/O.CAN.KJKL.SV.W.0068.000000T0000Z-210710T2000Z/
Martin KY-Floyd KY-
342 PM EDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MARTIN AND EAST
CENTRAL FLOYD COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3749 8248 3763 8243 3764 8222 3762 8221
      3763 8219 3764 8218 3762 8218 3758 8213
      3757 8214 3755 8213 3756 8208 3753 8205
      3755 8204 3754 8202 3754 8197 3753 8198
      3744 8211
TIME...MOT...LOC 1942Z 274DEG 32KT 3754 8231 

$$

KYC195-102000-
/O.CON.KJKL.SV.W.0068.000000T0000Z-210710T2000Z/
Pike KY-
342 PM EDT Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR CENTRAL PIKE COUNTY...

At 342 PM EDT, a severe thunderstorm was located over Mcandrews, or 9
miles south of Williamson, moving east at 35 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Huddy, Meta, Mcandrews, Jamboree, Belfry, Argo, Hardy, Sidney,
Phelps, Canada, Majestic and Kimper.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

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

&&

LAT...LON 3749 8248 3763 8243 3764 8222 3762 8221
      3763 8219 3764 8218 3762 8218 3758 8213
      3757 8214 3755 8213 3756 8208 3753 8205
      3755 8204 3754 8202 3754 8197 3753 8198
      3744 8211
TIME...MOT...LOC 1942Z 274DEG 32KT 3754 8231 

HAIL...0.88IN
WIND...60MPH
 
$$

GREIF

720 
WWUS53 KJKL 101954
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
354 PM EDT Sat Jul 10 2021

KYC195-102004-
/O.EXP.KJKL.SV.W.0068.000000T0000Z-210710T2000Z/
Pike KY-
354 PM EDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL PIKE COUNTY WILL
EXPIRE AT 400 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.

LAT...LON 3749 8248 3763 8243 3764 8222 3762 8221
      3763 8219 3764 8218 3762 8218 3758 8213
      3757 8214 3755 8213 3756 8208 3753 8205
      3755 8204 3754 8202 3754 8197 3753 8198
      3744 8211
TIME...MOT...LOC 1954Z 274DEG 32KT 3753 8218 

$$

GREIF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 12:11 PM EDT	Special Weather Statement	JKL	Elliott	34 min
Jul 10, 1:13 PM EDT	Special Weather Statement	JKL	Whitley	47 min
Jul 10, 1:45 PM EDT	Special Weather Statement	JKL	Bell, Knox, Whitley	45 min
Jul 10, 2:34 PM EDT	Special Weather Statement	JKL	Bell, Clay, Harlan, Leslie	41 min
Jul 10, 2:36 PM EDT	Special Weather Statement	JKL	Johnson	39 min
Jul 10, 3:07 PM EDT	Special Weather Statement	JKL	Floyd, Pike	38 min
Jul 10, 3:13 PM EDT	Areal Flood Advisory	JKL	Floyd, Magoffin, Martin, Pike	3 hr
Jul 10, 3:19 PM EDT	Flash Flood Warning	JKL	Floyd, Johnson, Martin	2 hr
Jul 10, 3:30 PM EDT	Special Weather Statement	JKL	Laurel	60 min
Jul 10, 3:32 PM EDT	Special Weather Statement	JKL	Pike	28 min
Jul 10, 3:33 PM EDT	Special Weather Statement	JKL	Estill, Lee, Powell	42 min
Jul 10, 3:45 PM EDT	Areal Flood Advisory	JKL	Estill	3 hr
Jul 10, 3:49 PM EDT	Flash Flood Warning	JKL	Estill	2 hr
Jul 10, 3:56 PM EDT	Special Weather Statement	JKL	Morgan	49 min
Jul 10, 3:58 PM EDT	Special Weather Statement	JKL	Magoffin, Wolfe	47 min
Jul 10, 3:59 PM EDT	Special Weather Statement	JKL	Pike	31 min
Jul 10, 4:03 PM EDT	Severe Thunderstorm Warning	JKL	Magoffin, Morgan	42 min
Jul 10, 4:11 PM EDT	Areal Flood Advisory	JKL	Pike	3 hr
Jul 10, 4:13 PM EDT	Areal Flood Advisory	JKL	Estill, Lee, Powell, Wolfe	3 hr
Jul 10, 4:18 PM EDT	Special Weather Statement	JKL	Lee	27 min
Jul 10, 4:42 PM EDT	Areal Flood Advisory	JKL	Pike	3 hr
Jul 10, 4:44 PM EDT	Areal Flood Advisory	JKL	Breathitt, Lee, Wolfe	2 hr
Jul 10, 5:09 PM EDT	Special Weather Statement	JKL	Pulaski	36 min
Jul 10, 5:41 PM EDT	Special Weather Statement	JKL	Laurel	49 min
Jul 10, 6:02 PM EDT	Special Weather Statement	JKL	Laurel	43 min
Jul 10, 6:16 PM EDT	Areal Flood Advisory	JKL	McCreary, Pulaski	105 min
Jul 10, 6:16 PM EDT	Areal Flood Advisory	JKL	Pike	52 min
Jul 10, 6:24 PM EDT	Flash Flood Warning	JKL	Pulaski	95 min
Jul 10, 6:31 PM EDT	Areal Flood Advisory	JKL	McCreary	115 min
Jul 10, 6:40 PM EDT	Flash Flood Warning	JKL	McCreary	103 min
Jul 10, 6:49 PM EDT	Areal Flood Advisory	JKL	Laurel, McCreary, Whitley	102 min
Jul 10, 7:14 PM EDT	Areal Flood Advisory	JKL	Clay	3 hr
Jul 10, 7:40 PM EDT	Areal Flood Advisory	JKL	Knox	2 hr

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.