Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 41, NWS Jackson, KY

June 18, 20216 counties in Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Jun 18, 2021, 10:56 PM EDT for 6 counties in Kentucky. It was in force for 49 min. 3 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
Jun 18, 2021, 10:56 PM EDT (02:56 UTC)
Expired
Jun 18, 2021, 11:45 PM EDT
In force
49 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bath County, KY, Elliott County, KY, Fleming County, KY, Menifee County, KY, Morgan County, KY, Rowan County, KY

The radar

The Jackson,KY radar (KJKL), 62 km from the middle of the area, began a volume at 02:55 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
Jun 18, 11:06 PM EDTTSTM WND DMGMorehead, KYREPORTED TREES DOWN ON N WILSON AVE.
Jun 18, 11:06 PM EDTTSTM WND DMGMorehead, KYTREES REPORTED DOWN ON N WILSON AVE.
Jun 18, 11:34 PM EDTTSTM WND DMGWagner Store, KYTREES REPORTED DOWN ON LAUREL RD NEAR ELLIOTTVILLE.

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

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 18, 9:09 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.9 hours before the alert went out and 149 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 2021-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2257 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 2021-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 214 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
2257 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
1236 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
214 m²/s²
0-3 km storm-relative helicity
240 m²/s²
Significant tornado parameter
1.9
Supercell composite
17.6

Open this sounding in Storm Lab

The text

As transmitted.

481 
WUUS53 KJKL 190256
SVRJKL
KYC011-063-069-165-175-205-190345-
/O.NEW.KJKL.SV.W.0041.210619T0256Z-210619T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
1056 PM EDT Fri Jun 18 2021

The National Weather Service in JACKSON KY has issued a

* Severe Thunderstorm Warning for...
  Northwestern Morgan County in southeastern Kentucky...
  Bath County in east central Kentucky...
  Northeastern Menifee County in east central Kentucky...
  Southeastern Fleming County in east central Kentucky...
  Rowan County in east central Kentucky...
  Western Elliott County in east central Kentucky...

* Until 1145 PM EDT.

* At 1056 PM EDT, a severe thunderstorm was located over Slate
  Valley, or near Owingsville, moving southeast at 45 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...
  Marshall around 1100 PM EDT.
  Salt Lick around 1105 PM EDT.
  Young Springs around 1110 PM EDT.
  Yale around 1115 PM EDT.

Other locations in the path of this severe thunderstorm include Big
Woods and Kellacey.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3830 8333 3821 8330 3819 8327 3819 8324
      3824 8322 3827 8317 3823 8312 3823 8308
      3818 8305 3820 8304 3819 8302 3784 8345
      3784 8348 3786 8349 3785 8352 3816 8391
      3836 8338
TIME...MOT...LOC 0256Z 312DEG 40KT 3819 8370 

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

GREIF
2 follow-up statements
023 
WWUS53 KJKL 190327
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
1127 PM EDT Fri Jun 18 2021

KYC069-190336-
/O.CAN.KJKL.SV.W.0041.000000T0000Z-210619T0345Z/
Fleming KY-
1127 PM EDT Fri Jun 18 2021

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

A Severe Thunderstorm Watch remains in effect until 300 AM EDT for
southeastern and east central Kentucky.

LAT...LON 3796 8366 3822 8330 3821 8330 3819 8327
      3819 8324 3824 8322 3827 8317 3823 8312
      3823 8308 3818 8305 3820 8304 3819 8302
      3784 8345 3784 8348 3786 8349 3785 8352
TIME...MOT...LOC 0326Z 312DEG 40KT 3796 8338 

$$

KYC011-063-165-175-205-190345-
/O.CON.KJKL.SV.W.0041.000000T0000Z-210619T0345Z/
Morgan KY-Bath KY-Menifee KY-Rowan KY-Elliott KY-
1127 PM EDT Fri Jun 18 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT
FOR NORTHWESTERN MORGAN...SOUTHEASTERN BATH...EASTERN MENIFEE...
SOUTHEASTERN ROWAN AND WESTERN ELLIOTT COUNTIES...

At 1126 PM EDT, a severe thunderstorm was located over Kellacey, or
near West Liberty, moving southeast at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

This severe thunderstorm will remain over mainly rural areas of
northwestern Morgan, southeastern Bath, eastern Menifee, southeastern
Rowan and western Elliott Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3796 8366 3822 8330 3821 8330 3819 8327
      3819 8324 3824 8322 3827 8317 3823 8312
      3823 8308 3818 8305 3820 8304 3819 8302
      3784 8345 3784 8348 3786 8349 3785 8352
TIME...MOT...LOC 0326Z 312DEG 40KT 3796 8338 

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

GREIF
756 
WWUS53 KJKL 190337
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
1137 PM EDT Fri Jun 18 2021

KYC011-063-165-175-205-190345-
/O.EXP.KJKL.SV.W.0041.000000T0000Z-210619T0345Z/
Morgan KY-Bath KY-Menifee KY-Rowan KY-Elliott KY-
1137 PM EDT Fri Jun 18 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN MORGAN...
SOUTHEASTERN BATH...EASTERN MENIFEE...SOUTHEASTERN ROWAN AND WESTERN
ELLIOTT COUNTIES WILL EXPIRE AT 1145 PM EDT...
        
The worst of the storm which prompted the warning has moved out of 
the area. Therefore, the warning will be allowed to expire.  However 
gusty winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 300 AM EDT for
southeastern and east central Kentucky.

Remember, a Severe Thunderstorm Warning still remains in effect for
southeast Elloitt County until 12:15 AM EDT. 

LAT...LON 3796 8366 3822 8330 3821 8330 3819 8327
      3819 8324 3824 8322 3827 8317 3823 8312
      3823 8308 3818 8305 3820 8304 3819 8302
      3784 8345 3784 8348 3786 8349 3785 8352
TIME...MOT...LOC 0335Z 312DEG 40KT 3790 8330 

$$

GREIF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 10:24 PM EDTSevere Thunderstorm WarningJKLFleming, Rowan51 min
Jun 18, 10:38 PM EDTSpecial Weather StatementJKLBath52 min
Jun 18, 11:25 PM EDTSevere Thunderstorm WarningJKLElliott, Johnson, Magoffin, Morgan50 min
Jun 18, 11:29 PM EDTSpecial Weather StatementJKLBreathitt, Menifee, Wolfe46 min
Jun 19, 12:05 AM EDTSpecial Weather StatementJKLBreathitt, Floyd, Magoffin, Martin40 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.