Alert archive / Kentucky / Tornado Warnings in 2023

Tornado Warning 13, NWS Jackson, KY

June 11, 2023Harlan County, Kentucky

NWS Jackson, KY issued this tornado warning at Jun 11, 2023, 8:44 PM EDT for Harlan County, Kentucky. It was in force for 31 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 11, 2023, 8:44 PM EDT (00:44 UTC)
Expired
Jun 11, 2023, 9:15 PM EDT
In force
31 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Harlan County, KY

The radar

The Knoxville radar (KMRX), 66 km from the middle of the area, began a volume at 00:47 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 11, 4:34 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.7 hours before the alert went out and 303 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, Cncnati-Daytn, OH at 00:00Z on 2023-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 206 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, Cncnati-Daytn, OH at 00:00Z on 2023-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 143 square meters per square second.193958Sfc1 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
206 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
917 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
143 m²/s²
0-3 km storm-relative helicity
215 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.5

Open this sounding in Storm Lab

The text

As transmitted.

935 
WFUS53 KJKL 120044
TORJKL
KYC095-120115-
/O.NEW.KJKL.TO.W.0013.230612T0044Z-230612T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service JACKSON KY
844 PM EDT Sun Jun 11 2023

The National Weather Service in JACKSON KY has issued a

* Tornado Warning for...
  South central Harlan County in southeastern Kentucky...

* Until 915 PM EDT.
    
* At 844 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Smith, or 8 miles south of Harlan, moving east at
  30 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Cranks around 855 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3673 8332 3680 8311 3678 8313 3676 8313
      3674 8314 3674 8320 3673 8322 3671 8330
      3671 8332
TIME...MOT...LOC 0044Z 250DEG 26KT 3672 8327 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

JMW
2 follow-up statements
943 
WWUS53 KJKL 120101
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
901 PM EDT Sun Jun 11 2023

KYC095-120115-
/O.CON.KJKL.TO.W.0013.000000T0000Z-230612T0115Z/
Harlan KY-
901 PM EDT Sun Jun 11 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM EDT FOR SOUTH
CENTRAL HARLAN COUNTY...
    
At 901 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Cranks, or near Jonesville, moving east at 30 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
south central Harlan County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3676 8322 3680 8311 3678 8313 3676 8313
      3674 8314 3674 8322
TIME...MOT...LOC 0101Z 250DEG 26KT 3676 8313 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

JMW
672 
WWUS53 KJKL 120111 RRA
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
911 PM EDT Sun Jun 11 2023

KYC095-120121-
/O.EXP.KJKL.TO.W.0013.000000T0000Z-230612T0115Z/
Harlan KY-
911 PM EDT Sun Jun 11 2023

...THE TORNADO WARNING FOR SOUTH CENTRAL HARLAN COUNTY WILL EXPIRE AT
915 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 1100 PM EDT for
southeastern Kentucky.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
JACKSON KY.

LAT...LON 3676 8322 3680 8311 3678 8313 3676 8313
      3674 8314 3674 8322
TIME...MOT...LOC 0111Z 250DEG 26KT 3678 8305 

$$

JMW

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 8:11 PM EDTSevere Thunderstorm WarningJKLBell, Harlan34 min
Jun 11, 8:20 PM EDTSpecial Weather StatementJKLMcCreary, Pulaski, Wayne40 min
Jun 11, 8:21 PM EDTTornado WarningJKLBell, Harlan24 min
Jun 11, 8:40 PM EDTSevere Thunderstorm WarningJKLHarlan35 min
Jun 11, 9:07 PM EDTSpecial Weather StatementJKLBell, Clay, Jackson, Knox, Laurel, Owsley and 1 more38 min
Jun 11, 9:40 PM EDTSevere Thunderstorm WarningJKLBell, Knox, Whitley35 min
Jun 11, 10:10 PM EDTSpecial Weather StatementJKLHarlan, Leslie50 min
Jun 11, 11:00 PM EDTSpecial Weather StatementJKLKnott, Letcher, Pike45 min

Nearby

Tornado Warnings in Kentucky, 2023Every tornado warning in 2023Tornadoes in 2023

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.