Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 76, NWS Jackson, KY

July 29, 2021Elliott County, Morgan County, Rowan County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Jul 29, 2021, 10:44 PM EDT for Elliott County, Morgan County, Rowan County, Kentucky. It was in force for 31 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: Jul 29, 2021, 10:44 PM EDT (02:44 UTC)
Expired: Jul 29, 2021, 11:15 PM EDT
In force: 31 min
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Tornado: Possible
Hail: 1.25 in
Wind: 60.0 mph

Counties Elliott County, KY, Morgan County, KY, Rowan County, KY

The radar

The Jackson,KY radar (KJKL), 65 km from the middle of the area, began a volume at 02:48 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 29, 11:00 PM EDT	TSTM WND DMG	1 E Little Sandy, KY	A TREE WAS REPORTED DOWN ALONG KY-7, NEAR THE INTERSECTION WITH HWY-650/DOCTORS BRANCH ROAD. TIME ESTIMATED BY RADAR.

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 00:00Z, 2.7 hours before the alert went out and 150 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: 2113 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 691 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 137 m²/s²
0-3 km storm-relative helicity: 139 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 9.2

Open this sounding in Storm Lab

The text

As transmitted.

014 
WUUS53 KJKL 300244
SVRJKL
KYC063-175-205-300315-
/O.NEW.KJKL.SV.W.0076.210730T0244Z-210730T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
1044 PM EDT Thu Jul 29 2021

The National Weather Service in JACKSON KY has issued a

* Severe Thunderstorm Warning for...
  North central Morgan County in southeastern Kentucky...
  Southeastern Rowan County in east central Kentucky...
  Elliott County in east central Kentucky...

* Until 1115 PM EDT.

* At 1043 PM EDT, a severe thunderstorm was located over Farley, or 8
  miles northwest of Sandy Hook, moving southeast at 20 mph.

  HAZARD...60 mph wind gusts and half dollar 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...
  Lytten around 1055 PM EDT.

Other locations in the path of this severe thunderstorm include
Little Sandy.

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.

&&

LAT...LON 3810 8295 3796 8325 3817 8337 3821 8329
      3819 8327 3819 8324 3824 8322 3825 8318
      3827 8318
TIME...MOT...LOC 0243Z 334DEG 19KT 3817 8324 

TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
 
$$

GEERTSON

2 follow-up statements

559 
WWUS53 KJKL 300304
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
1104 PM EDT Thu Jul 29 2021

KYC063-175-205-300315-
/O.CON.KJKL.SV.W.0076.000000T0000Z-210730T0315Z/
Morgan KY-Rowan KY-Elliott KY-
1104 PM EDT Thu Jul 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT
FOR NORTH CENTRAL MORGAN...SOUTHEASTERN ROWAN AND ELLIOTT COUNTIES...

At 1104 PM EDT, a severe thunderstorm was located over Little Sandy,
or near Sandy Hook, moving southeast at 20 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 remain over mainly rural areas of north
central Morgan, southeastern Rowan and Elliott Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3810 8295 3796 8325 3817 8337 3821 8329
      3819 8327 3819 8324 3824 8322 3825 8318
      3827 8318
TIME...MOT...LOC 0304Z 334DEG 19KT 3807 8318 

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

GEERTSON

339 
WWUS53 KJKL 300316
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
1116 PM EDT Thu Jul 29 2021

KYC063-175-205-300325-
/O.EXP.KJKL.SV.W.0076.000000T0000Z-210730T0315Z/
Morgan KY-Rowan KY-Elliott KY-
1116 PM EDT Thu Jul 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL MORGAN...
SOUTHEASTERN ROWAN AND ELLIOTT COUNTIES HAS EXPIRED...
                
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 has been allowed to expire.  However heavy
rain is still possible with this thunderstorm.

LAT...LON 3810 8295 3796 8325 3817 8337 3821 8329
      3819 8327 3819 8324 3824 8322 3825 8318
      3827 8318
TIME...MOT...LOC 0315Z 334DEG 19KT 3802 8315 

$$

GEERTSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 9:55 PM EDT	Special Weather Statement	JKL	Rowan	35 min
Jul 29, 10:03 PM EDT	Severe Thunderstorm Warning	JKL	Rowan	27 min
Jul 29, 10:25 PM EDT	Severe Thunderstorm Warning	JKL	Elliott, Rowan	35 min
Jul 29, 10:53 PM EDT	Areal Flood Advisory	JKL	Elliott, Fleming, Rowan	3 hr
Jul 29, 11:15 PM EDT	Special Weather Statement	JKL	Elliott, Johnson, Magoffin, Morgan, Wolfe	30 min
Jul 29, 11:23 PM EDT	Special Weather Statement	JKL	Bath, Fleming, Rowan	37 min
Jul 29, 11:32 PM EDT	Areal Flood Advisory	JKL	Bath, Elliott, Fleming, Morgan, Rowan	3 hr
Jul 29, 11:43 PM EDT	Flash Flood Warning	JKL	Bath, Fleming, Menifee, Morgan, Rowan	4 hr
Jul 30, 12:23 AM EDT	Special Weather Statement	JKL	Breathitt, Wolfe	52 min
Jul 30, 12:24 AM EDT	Flash Flood Warning	JKL	Bath, Magoffin, Menifee, Montgomery, Morgan, Wolfe	4 hr
Jul 30, 12:25 AM EDT	Special Weather Statement	JKL	Menifee, Montgomery, Wolfe	50 min
Jul 30, 12:36 AM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Knott, Magoffin, Perry	39 min
Jul 30, 12:45 AM EDT	Special Weather Statement	JKL	Perry	45 min
Jul 30, 12:59 AM EDT	Flash Flood Warning	JKL	Breathitt, Magoffin	4 hr
Jul 30, 1:05 AM EDT	Special Weather Statement	JKL	Breathitt, Knott	40 min
Jul 30, 1:26 AM EDT	Special Weather Statement	JKL	Leslie, Perry	49 min
Jul 30, 1:30 AM EDT	Severe Thunderstorm Warning	JKL	Leslie, Perry	45 min
Jul 30, 1:33 AM EDT	Flash Flood Warning	JKL	Breathitt, Estill, Lee, Montgomery, Owsley, Perry and 2 more	4 hr
Jul 30, 1:37 AM EDT	Special Weather Statement	JKL	Montgomery, Powell	53 min
Jul 30, 1:55 AM EDT	Flash Flood Warning	JKL	Leslie, Perry	4 hr
Jul 30, 2:06 AM EDT	Special Weather Statement	JKL	Harlan	39 min
Jul 30, 2:08 AM EDT	Special Weather Statement	JKL	Estill, Jackson	52 min
Jul 30, 2:23 AM EDT	Special Weather Statement	JKL	Bell, Clay	52 min
Jul 30, 2:35 AM EDT	Flash Flood Warning	JKL	Clay, Estill, Jackson, Lee, Leslie, Owsley	4 hr
Jul 30, 2:41 AM EDT	Special Weather Statement	JKL	Jackson, Laurel, Rockcastle	49 min
Jul 30, 3:04 AM EDT	Special Weather Statement	JKL	Bell, Clay, Knox	41 min
Jul 30, 3:12 AM EDT	Special Weather Statement	JKL	Pulaski, Rockcastle	48 min
Jul 30, 3:23 AM EDT	Areal Flood Advisory	JKL	Clay, Jackson, Laurel, Rockcastle	4 hr
Jul 30, 3:30 AM EDT	Areal Flood Warning	JKL	Bath, Fleming, Menifee, Morgan, Rowan	6 hr
Jul 30, 3:32 AM EDT	Special Weather Statement	JKL	Knox, Laurel	43 min
Jul 30, 3:56 AM EDT	Special Weather Statement	JKL	Laurel, McCreary, Pulaski, Whitley	64 min
Jul 30, 4:03 AM EDT	Areal Flood Advisory	JKL	Laurel, Pulaski	4 hr
Jul 30, 4:11 AM EDT	Severe Thunderstorm Warning	JKL	Laurel, McCreary, Pulaski, Rockcastle, Whitley	49 min
Jul 30, 4:16 AM EDT	Tornado Warning	JKL	McCreary, Whitley	29 min
Jul 30, 4:18 AM EDT	Flash Flood Warning	JKL	Knox, Laurel, Pulaski, Rockcastle, Whitley	4 hr
Jul 30, 4:21 AM EDT	Areal Flood Warning	JKL	Bath, Magoffin, Menifee, Montgomery, Morgan, Wolfe	3 hr
Jul 30, 4:44 AM EDT	Special Weather Statement	JKL	McCreary, Pulaski, Wayne, Whitley	61 min
Jul 30, 4:54 AM EDT	Areal Flood Advisory	JKL	McCreary, Wayne, Whitley	3 hr
Jul 30, 4:54 AM EDT	Severe Thunderstorm Warning	JKL	Bell, McCreary, Whitley	51 min
Jul 30, 5:16 AM EDT	Areal Flood Warning	JKL	Breathitt, Estill, Lee, Montgomery, Owsley, Powell and 1 more	4 hr
Jul 30, 5:22 AM EDT	Special Weather Statement	JKL	McCreary, Wayne	38 min
Jul 30, 6:35 AM EDT	River Flood Advisory	JKL	Estill, Powell	24 hr
Jul 30, 7:14 AM EDT	Areal Flood Warning	JKL	Bath, Menifee, Montgomery, Morgan, Wolfe	4 hr
Jul 30, 7:58 AM EDT	Areal Flood Warning	JKL	Knox, Laurel, Pulaski, Rockcastle, Whitley	86 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.