Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 81, NWS Jackson, KY

August 3, 2021Martin County, Pike County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Aug 3, 2021, 5:15 PM EDT for Martin County, Pike County, Kentucky. It was in force for 15 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 3, 2021, 5:15 PM EDT (21:15 UTC)
Expired: Aug 3, 2021, 5:30 PM EDT
In force: 15 min
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Martin County, KY, Pike County, KY

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.3 hours before the alert went out and 229 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: 4 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 1414 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 68 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

593 
WUUS53 KJKL 032115
SVRJKL
KYC159-195-032130-
/O.NEW.KJKL.SV.W.0081.210803T2115Z-210803T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
515 PM EDT Tue Aug 3 2021

The National Weather Service in JACKSON KY has issued a

* Severe Thunderstorm Warning for...
  Southeastern Martin County in northeastern Kentucky...
  North central Pike County in southeastern Kentucky...

* Until 530 PM EDT.

* At 514 PM EDT, a severe thunderstorm was located over Conder, or 7
  miles west of Williamson, moving northeast at 25 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...
  Hatfield Station around 520 PM EDT.
  Whitepost around 525 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3769 8230 3762 8242 3767 8249 3781 8242
      3775 8233 3774 8233 3773 8232 3770 8230
TIME...MOT...LOC 2114Z 222DEG 21KT 3769 8241 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

HAL

2 follow-up statements

495 
WWUS53 KJKL 032123
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
523 PM EDT Tue Aug 3 2021

KYC159-195-032130-
/O.CON.KJKL.SV.W.0081.000000T0000Z-210803T2130Z/
Martin KY-Pike KY-
523 PM EDT Tue Aug 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR SOUTHEASTERN MARTIN AND NORTH CENTRAL PIKE COUNTIES...

At 522 PM EDT, a severe thunderstorm was located over Whitepost, or
near Williamson, moving northeast at 25 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
southeastern Martin and north central Pike Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3769 8230 3766 8238 3771 8246 3781 8242
      3775 8233 3774 8233 3773 8232 3770 8230
TIME...MOT...LOC 2122Z 220DEG 23KT 3774 8236 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

HAL

789 
WWUS53 KJKL 032132
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
532 PM EDT Tue Aug 3 2021

KYC159-195-032141-
/O.EXP.KJKL.SV.W.0081.000000T0000Z-210803T2130Z/
Martin KY-Pike KY-
532 PM EDT Tue Aug 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MARTIN AND NORTH
CENTRAL PIKE 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, 
strong wind gusts are still possible with this thunderstorm.

LAT...LON 3769 8230 3766 8238 3771 8246 3781 8242
      3775 8233 3774 8233 3773 8232 3770 8230
TIME...MOT...LOC 2131Z 222DEG 21KT 3775 8234 

$$

HAL

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 3, 3:20 PM EDT	Special Weather Statement	JKL	Letcher	40 min
Aug 3, 4:47 PM EDT	Special Weather Statement	JKL	Pike	28 min
Aug 3, 5:15 PM EDT	Special Weather Statement	JKL	Martin	30 min
Aug 3, 5:53 PM EDT	Areal Flood Advisory	JKL	Martin	111 min
Aug 3, 6:14 PM EDT	Special Weather Statement	JKL	Bell	16 min
Aug 3, 6:46 PM EDT	Areal Flood Advisory	JKL	Bell, Harlan	91 min
Aug 3, 7:02 PM EDT	Special Weather Statement	JKL	Leslie	28 min
Aug 3, 7:05 PM EDT	Special Weather Statement	JKL	Leslie	25 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; the sounding from the Mesonet's radiosonde archive.