Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 33, NWS Jackson, KY

June 3, 20214 counties in Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Jun 3, 2021, 5:47 PM EDT for 4 counties in Kentucky. It was in force for 58 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
Jun 3, 2021, 5:47 PM EDT (21:47 UTC)
Expired
Jun 3, 2021, 6:45 PM EDT
In force
58 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bell County, KY, Harlan County, KY, Knox County, KY, Whitley County, KY

The radar

The Knoxville radar (KMRX), 64 km from the middle of the area, began a volume at 21:48 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.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.8 hours before the alert went out and 278 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2021-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 300 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2021-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
300 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
837 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

320 
WUUS53 KJKL 032147
SVRJKL
KYC013-095-121-235-032245-
/O.NEW.KJKL.SV.W.0033.210603T2147Z-210603T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
547 PM EDT Thu Jun 3 2021

The National Weather Service in JACKSON KY has issued a

* Severe Thunderstorm Warning for...
  Southwestern Harlan County in southeastern Kentucky...
  Central Bell County in southeastern Kentucky...
  South central Knox County in southeastern Kentucky...
  East central Whitley County in south central Kentucky...

* Until 645 PM EDT.

* At 546 PM EDT, a severe thunderstorm was located over Ingram, or
  near Pineville, moving east at 30 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...
  Fourmile around 555 PM EDT.
  Pineville around 600 PM EDT.
  Straight Creek around 605 PM EDT.

Other locations in the path of this severe thunderstorm include
Miracle, Callaway and Black Snake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3669 8402 3680 8391 3688 8331 3673 8323
      3670 8334 3667 8341 3666 8345
TIME...MOT...LOC 2146Z 265DEG 26KT 3676 8381 

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

KAS
2 follow-up statements
575 
WWUS53 KJKL 032208
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
608 PM EDT Thu Jun 3 2021

KYC235-032217-
/O.CAN.KJKL.SV.W.0033.000000T0000Z-210603T2245Z/
Whitley KY-
608 PM EDT Thu Jun 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL WHITLEY COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3673 8379 3681 8380 3688 8331 3673 8323
      3670 8334 3669 8336 3669 8346
TIME...MOT...LOC 2207Z 262DEG 27KT 3677 8370 

$$

KYC013-095-121-032245-
/O.CON.KJKL.SV.W.0033.000000T0000Z-210603T2245Z/
Harlan KY-Bell KY-Knox KY-
608 PM EDT Thu Jun 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR SOUTHWESTERN HARLAN...EAST CENTRAL BELL AND SOUTHEASTERN KNOX
COUNTIES...

At 607 PM EDT, a severe thunderstorm was located over Wallsend, or
over Pineville, moving east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
  Straight Creek, Kettle Island, Callaway, Blackmont, Molus and 
  Wallins Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3673 8379 3681 8380 3688 8331 3673 8323
      3670 8334 3669 8336 3669 8346
TIME...MOT...LOC 2207Z 262DEG 27KT 3677 8370 

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

KAS
140 
WWUS53 KJKL 032241
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
641 PM EDT Thu Jun 3 2021

KYC013-095-121-032251-
/O.EXP.KJKL.SV.W.0033.000000T0000Z-210603T2245Z/
Harlan KY-Bell KY-Knox KY-
641 PM EDT Thu Jun 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN HARLAN...EAST
CENTRAL BELL AND SOUTHEASTERN KNOX COUNTIES WILL EXPIRE AT 645 PM
EDT...
                
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 will be allowed to expire.

LAT...LON 3673 8379 3681 8380 3688 8331 3673 8323
      3670 8334 3669 8336 3669 8346
TIME...MOT...LOC 2241Z 265DEG 26KT 3679 8340 

$$

KAS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 6:41 AM EDTSpecial Weather StatementJKLLaurel, Pulaski, Rockcastle, Wayne49 min
Jun 3, 7:36 AM EDTSpecial Weather StatementJKLClay, Knox, Laurel, Leslie, Whitley24 min
Jun 3, 2:52 PM EDTSpecial Weather StatementJKLWayne23 min
Jun 3, 3:20 PM EDTSpecial Weather StatementJKLBath, Fleming, Montgomery40 min
Jun 3, 3:26 PM EDTSpecial Weather StatementJKLMcCreary49 min
Jun 3, 3:53 PM EDTSevere Thunderstorm WarningJKLMcCreary, Whitley37 min
Jun 3, 4:00 PM EDTSpecial Weather StatementJKLBath, Rowan45 min
Jun 3, 4:08 PM EDTSpecial Weather StatementJKLRowan37 min
Jun 3, 4:20 PM EDTSpecial Weather StatementJKLMcCreary40 min
Jun 3, 5:00 PM EDTSpecial Weather StatementJKLKnox, Whitley45 min
Jun 3, 5:09 PM EDTSevere Thunderstorm WarningJKLBell, Knox, Whitley51 min
Jun 3, 6:12 PM EDTSpecial Weather StatementJKLBell33 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2021Every 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; radar from the NEXRAD Level II archive.