Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 94, NWS Jackson, KY

October 6, 2021Wayne County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Oct 6, 2021, 9:13 PM EDT for Wayne County, Kentucky. It was in force for 37 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
Oct 6, 2021, 9:13 PM EDT (01:13 UTC)
Expired
Oct 6, 2021, 9:50 PM EDT
In force
37 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

County Wayne County, KY

The radar

The Knoxville radar (KMRX), 155 km from the middle of the area, began a volume at 01:18 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 00:00Z, 1.2 hours before the alert went out and 171 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 00:00Z on 2021-10-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 595 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 00:00Z on 2021-10-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
595 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
871 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.7

Open this sounding in Storm Lab

The text

As transmitted.

158 
WUUS53 KJKL 070113
SVRJKL
KYC231-070200-
/O.NEW.KJKL.SV.W.0094.211007T0113Z-211007T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
913 PM EDT Wed Oct 6 2021

The National Weather Service in JACKSON KY has issued a

* Severe Thunderstorm Warning for...
  Central Wayne County in south central Kentucky...

* Until 1000 PM EDT.

* At 913 PM EDT, a severe thunderstorm was located over Slickford, or
  8 miles south of Monticello, moving north at 20 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...
  Cooper around 925 PM EDT.

Other locations in the path of this severe thunderstorm include
Monticello, Steubenville and Mill Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3690 8500 3692 8496 3693 8495 3694 8465
      3670 8470 3675 8501 3677 8501
TIME...MOT...LOC 0113Z 185DEG 18KT 3671 8485 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

GEOGERIAN
3 follow-up statements
797 
WWUS53 KJKL 070132
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
932 PM EDT Wed Oct 6 2021

KYC231-070200-
/O.CON.KJKL.SV.W.0094.000000T0000Z-211007T0200Z/
Wayne KY-
932 PM EDT Wed Oct 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR CENTRAL WAYNE COUNTY...

At 932 PM EDT, a severe thunderstorm was located over Monticello,
moving north at 20 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.

Locations impacted include...
  Steubenville and Mill Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3690 8500 3692 8496 3693 8495 3694 8465
      3670 8470 3675 8501 3677 8501
TIME...MOT...LOC 0132Z 185DEG 18KT 3681 8484 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

GEOGERIAN
721 
WWUS53 KJKL 070141
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
941 PM EDT Wed Oct 6 2021

KYC231-070200-
/O.CON.KJKL.SV.W.0094.000000T0000Z-211007T0200Z/
Wayne KY-
941 PM EDT Wed Oct 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR NORTHERN WAYNE COUNTY...

At 941 PM EDT, a severe thunderstorm was located over Monticello,
moving north at 20 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.

Locations impacted include...
Monticello, Cabell, Parnell, Mill Springs, Betsey and Steubenville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3690 8500 3692 8496 3693 8495 3694 8465
      3684 8467 3683 8501 3685 8500
TIME...MOT...LOC 0141Z 185DEG 18KT 3686 8483 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

GEOGERIAN
392 
WWUS53 KJKL 070150
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
950 PM EDT Wed Oct 6 2021

KYC231-070200-
/O.CAN.KJKL.SV.W.0094.000000T0000Z-211007T0200Z/
Wayne KY-
950 PM EDT Wed Oct 6 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN WAYNE COUNTY IS
CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.  However gusty winds and heavy rain are still
possible with this thunderstorm.

LAT...LON 3690 8500 3692 8496 3693 8495 3694 8465
      3684 8467 3683 8501 3685 8500
TIME...MOT...LOC 0149Z 185DEG 18KT 3690 8483 

$$

GEOGERIAN

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 6, 8:45 PM EDTSevere Thunderstorm WarningJKLWayne45 min
Oct 6, 8:48 PM EDTAreal Flood AdvisoryJKLPulaski, Wayne3 hr
Oct 6, 9:04 PM EDTSevere Thunderstorm WarningJKLMcCreary, Wayne41 min
Oct 6, 9:44 PM EDTSpecial Weather StatementJKLPulaski31 min
Oct 6, 9:55 PM EDTAreal Flood AdvisoryJKLMcCreary, Pulaski, Wayne2 hr

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.