Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 18, NWS Jackson, KY

April 8, 20214 counties in Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Apr 8, 2021, 6:02 PM EDT for 4 counties in Kentucky. It was in force for 21 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 8, 2021, 6:02 PM EDT (22:02 UTC)
Expired
Apr 8, 2021, 6:23 PM EDT
In force
21 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Laurel County, KY, McCreary County, KY, Pulaski County, KY, Wayne County, KY

The radar

The Jackson,KY radar (KJKL), 126 km from the middle of the area, began a volume at 22:02 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.

What was reported inside it

TimeReportWhereRemark
Apr 8, 6:02 PM EDTHAIL 12 Se Quinton, KYCORRECTS PREVIOUS HAIL REPORT FROM 2 SE QUINTON.
Apr 8, 6:12 PM EDTHAIL 12 Se Quinton, KY

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 10.0 hours before the alert went out and 210 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 2021-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 55 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 2021-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 354 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
55 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
626 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
354 m²/s²
0-3 km storm-relative helicity
375 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

461 
WUUS53 KJKL 082202
SVRJKL
KYC125-147-199-231-082245-
/O.NEW.KJKL.SV.W.0018.210408T2202Z-210408T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
602 PM EDT Thu Apr 8 2021

The National Weather Service in JACKSON KY has issued a

* Severe Thunderstorm Warning for...
  Northeastern Wayne County in south central Kentucky...
  Southwestern Laurel County in south central Kentucky...
  Southeastern Pulaski County in south central Kentucky...
  North central McCreary County in south central Kentucky...

* Until 645 PM EDT.

* At 601 PM EDT, a severe thunderstorm was located over Sloans
  Valley, or 11 miles south of Somerset, moving northeast at 40 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...
  Somerset, Burnside, Greenwood, Sloans Valley, Alpine, Grade,
  Bronston, Ruth, Shopville, Mount Victory, Quinton and Dykes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3681 8459 3689 8472 3725 8442 3707 8417
TIME...MOT...LOC 2201Z 224DEG 33KT 3692 8458 

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

HAL
1 follow-up statement
223 
WWUS53 KJKL 082223
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
623 PM EDT Thu Apr 8 2021

KYC125-147-199-231-082233-
/O.CAN.KJKL.SV.W.0018.000000T0000Z-210408T2245Z/
Wayne KY-Laurel KY-Pulaski KY-McCreary KY-
623 PM EDT Thu Apr 8 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WAYNE...
SOUTHWESTERN LAUREL...SOUTHEASTERN PULASKI AND NORTH CENTRAL MCCREARY
COUNTIES IS CANCELLED...
                
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 cancelled.

LAT...LON 3681 8459 3689 8472 3725 8442 3707 8417
TIME...MOT...LOC 2222Z 224DEG 33KT 3703 8419 

$$

HAL

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 8, 2:17 PM EDTSpecial Weather StatementJKLWayne28 min
Apr 8, 3:26 PM EDTSpecial Weather StatementJKLPulaski, Rockcastle49 min
Apr 8, 3:54 PM EDTSevere Thunderstorm WarningJKLJackson, Laurel, Pulaski, Rockcastle36 min
Apr 8, 4:27 PM EDTSevere Thunderstorm WarningJKLJackson, Laurel, Rockcastle33 min
Apr 8, 4:31 PM EDTSpecial Weather StatementJKLPulaski29 min
Apr 8, 5:07 PM EDTSpecial Weather StatementJKLLee38 min
Apr 8, 5:17 PM EDTSpecial Weather StatementJKLMontgomery28 min
Apr 8, 5:20 PM EDTSevere Thunderstorm WarningJKLEstill, Lee, Powell, Wolfe25 min
Apr 8, 5:40 PM EDTSevere Thunderstorm WarningJKLMenifee, Morgan, Powell, Wolfe25 min
Apr 8, 5:50 PM EDTSevere Thunderstorm WarningJKLEstill, Lee, Powell, Wolfe25 min
Apr 8, 5:56 PM EDTSevere Thunderstorm WarningJKLLaurel, McCreary, Pulaski, Whitley49 min
Apr 8, 6:14 PM EDTSevere Thunderstorm WarningJKLMenifee, Morgan, Powell, Wolfe31 min
Apr 8, 6:44 PM EDTSevere Thunderstorm WarningJKLClay, Jackson, Laurel, Owsley31 min
Apr 8, 6:51 PM EDTSevere Thunderstorm WarningJKLLaurel, Pulaski24 min
Apr 8, 6:58 PM EDTSevere Thunderstorm WarningJKLBell, Knox, Whitley35 min
Apr 8, 7:11 PM EDTSevere Thunderstorm WarningJKLBreathitt, Lee, Magoffin, Morgan, Wolfe49 min
Apr 8, 7:31 PM EDTSevere Thunderstorm WarningJKLClay, Laurel, Owsley29 min
Apr 8, 7:39 PM EDTSevere Thunderstorm WarningJKLBell51 min
Apr 8, 7:49 PM EDTSpecial Weather StatementJKLBreathitt26 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.