Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 34, NWS Jackson, KY

June 12, 2021Bath County, Menifee County, Montgomery County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Jun 12, 2021, 2:39 PM EDT for Bath County, Menifee County, Montgomery County, Kentucky. It was in force for 36 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 12, 2021, 2:39 PM EDT (18:39 UTC)
Expired
Jun 12, 2021, 3:15 PM EDT
In force
36 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Bath County, KY, Menifee County, KY, Montgomery County, KY

The radar

The Jackson,KY radar (KJKL), 59 km from the middle of the area, began a volume at 18:39 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.7 hours before the alert went out and 161 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 12:00Z on 2021-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 656 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 12:00Z on 2021-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.1939Sfc1 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
656 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
828 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

625 
WUUS53 KJKL 121839
SVRJKL
KYC011-165-173-121915-
/O.NEW.KJKL.SV.W.0034.210612T1839Z-210612T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
239 PM EDT Sat Jun 12 2021

The National Weather Service in JACKSON KY has issued a

* Severe Thunderstorm Warning for...
  Eastern Montgomery County in east central Kentucky...
  Bath County in east central Kentucky...
  Northwestern Menifee County in east central Kentucky...

* Until 315 PM EDT.

* At 239 PM EDT, a severe thunderstorm was located over Flat Creek,
  or near Owingsville, moving southeast at 25 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...
  Owingsville around 245 PM EDT.
  Stepstone around 250 PM EDT.
  Peeled Oak around 255 PM EDT.

Other locations in the path of this severe thunderstorm include
Walkers Crossing, Jeffersonville and Clay Lick.

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 3796 8355 3789 8374 3790 8376 3792 8376
      3790 8382 3790 8387 3791 8388 3819 8398
      3826 8377
TIME...MOT...LOC 1839Z 336DEG 21KT 3816 8384 

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

GREIF
2 follow-up statements
423 
WWUS53 KJKL 121852
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
252 PM EDT Sat Jun 12 2021

KYC011-165-173-121915-
/O.CON.KJKL.SV.W.0034.000000T0000Z-210612T1915Z/
Montgomery KY-Bath KY-Menifee KY-
252 PM EDT Sat Jun 12 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR EASTERN MONTGOMERY...SOUTHWESTERN BATH AND NORTHWESTERN MENIFEE
COUNTIES...

At 252 PM EDT, a severe thunderstorm was located over Kendall
Springs, or near Owingsville, moving southeast at 25 mph.

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

SOURCE...Radar indicated.

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

This severe storm will be near...
  Peeled Oak around 255 PM EDT.

Other locations in the path of this severe thunderstorm include
Walkers Crossing, Jeffersonville, Clay Lick, Cedar Groves and
Cornwell.

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 3796 8355 3789 8374 3790 8376 3792 8376
      3790 8382 3790 8387 3791 8388 3810 8395
      3821 8375
TIME...MOT...LOC 1852Z 336DEG 21KT 3809 8380 

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

GREIF
887 
WWUS53 KJKL 121908
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
308 PM EDT Sat Jun 12 2021

KYC011-165-173-121918-
/O.EXP.KJKL.SV.W.0034.000000T0000Z-210612T1915Z/
Montgomery KY-Bath KY-Menifee KY-
308 PM EDT Sat Jun 12 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MONTGOMERY...
SOUTHWESTERN BATH AND NORTHWESTERN MENIFEE COUNTIES WILL EXPIRE AT
315 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.  However heavy rain
is still possible with this thunderstorm.

LAT...LON 3796 8355 3789 8374 3790 8376 3792 8376
      3790 8382 3790 8387 3791 8388 3810 8395
      3821 8375
TIME...MOT...LOC 1908Z 336DEG 21KT 3801 8376 

$$

GREIF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 8:31 PM EDTAreal Flood AdvisoryJKLPulaski3 hr
Jun 11, 8:38 PM EDTSpecial Weather StatementJKLWayne37 min
Jun 11, 8:54 PM EDTAreal Flood AdvisoryJKLWayne3 hr
Jun 11, 9:18 PM EDTSpecial Weather StatementJKLWayne12 min
Jun 12, 12:35 AM EDTAreal Flood AdvisoryJKLFloyd, Martin, Pike3 hr
Jun 12, 1:58 PM EDTSpecial Weather StatementJKLFleming47 min
Jun 12, 2:16 PM EDTAreal Flood AdvisoryJKLFleming2 hr
Jun 12, 2:29 PM EDTSpecial Weather StatementJKLBath, Montgomery46 min
Jun 12, 2:59 PM EDTAreal Flood AdvisoryJKLBath, Montgomery103 min
Jun 12, 3:08 PM EDTSpecial Weather StatementJKLPowell52 min
Jun 12, 3:34 PM EDTSpecial Weather StatementJKLLee, Powell41 min
Jun 12, 3:54 PM EDTSpecial Weather StatementJKLEstill, Lee51 min
Jun 12, 4:06 PM EDTAreal Flood AdvisoryJKLEstill, Montgomery, Powell91 min
Jun 12, 4:50 PM EDTSevere Thunderstorm WarningJKLJackson, Laurel, Rockcastle40 min
Jun 12, 4:51 PM EDTSevere Thunderstorm WarningJKLPulaski39 min
Jun 12, 5:13 PM EDTSpecial Weather StatementJKLMcCreary, Wayne, Whitley62 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.