Alert archive / Kentucky / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 21, NWS Jackson, KY

April 4, 2018Floyd County, Knott County, Pike County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Apr 4, 2018, 1:32 AM EDT for Floyd County, Knott County, Pike County, Kentucky. It was in force for 58 min. 6 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 4, 2018, 1:32 AM EDT (05:32 UTC)
Expired
Apr 4, 2018, 2:30 AM EDT
In force
58 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Floyd County, KY, Knott County, KY, Pike County, KY

The radar

The Jackson,KY radar (KJKL), 84 km from the middle of the area, began a volume at 05:31 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 4, 1:32 AM EDTTSTM WND DMG5 Ese Hindman, KYA TREE WAS BLOWN ONTO KY 1393.
Apr 4, 1:35 AM EDTTSTM WND DMG2 S Wayland, KYTREES WERE BLOWN DOWN ALONG KY 7 AND KY 1086.
Apr 4, 1:41 AM EDTTSTM WND DMGBuckingham, KYA TREE WAS BLOWN DOWN.
Apr 4, 1:43 AM EDTTSTM WND DMG2 Se Wheelwright, KYA TREE WAS BLOWN DOWN ON KY 466.
Apr 4, 1:44 AM EDTTSTM WND DMGMelvin, KYTREES WERE DOWNED ALONG KY 122.
Apr 4, 1:51 AM EDTTSTM WND DMG3 Ne Virgie, KYPART OF THE ROOF OF A SUBWAY RESTAURANT IN SHELBY WAS BLOWN OFF.

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
Apr 3, 9:50 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 5.5 hours before the alert went out and 247 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 2018-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 67 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2018-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 242 square meters per square second.1939587897Sfc1 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
67 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
1229 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
242 m²/s²
0-3 km storm-relative helicity
401 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

803 
WUUS53 KJKL 040532
SVRJKL
KYC071-119-195-040630-
/O.NEW.KJKL.SV.W.0021.180404T0532Z-180404T0630Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
132 AM EDT WED APR 4 2018

The National Weather Service in JACKSON KY has issued a

* Severe Thunderstorm Warning for...
  Central Knott County in southeastern Kentucky...
  Central Floyd County in southeastern Kentucky...
  Pike County in southeastern Kentucky...

* Until 230 AM EDT

* At 131 AM EDT, severe thunderstorms were located along a line
  extending from Bosco to Bath, moving east at 60 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Pikeville, Hindman, Estill, Bath, Coal Run Village, Wheelwright,
  Martin, Pippa Passes, Forest Hills, Wayland, Meta, Cody, Jamboree,
  Handshoe, Carr Creek, Glo, Garden Village, Nealy, McDowell and
  Piso.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3746 8208 3727 8273 3727 8282 3719 8299
      3750 8295 3749 8291 3753 8289 3771 8230
      3767 8229 3763 8219 3765 8218 3762 8218
      3758 8213 3755 8213 3756 8208 3753 8205
      3755 8204 3754 8197
TIME...MOT...LOC 0531Z 248DEG 56KT 3751 8285 3723 8290 

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

KAS
3 follow-up statements
528 
WWUS53 KJKL 040548
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
148 AM EDT WED APR 4 2018

KYC119-040558-
/O.CAN.KJKL.SV.W.0021.000000T0000Z-180404T0630Z/
Knott KY-
148 AM EDT WED APR 4 2018

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL KNOTT COUNTY IS
CANCELLED...

The storms which prompted the warning have 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 northeastern Kentucky.

LAT...LON 3746 8208 3727 8273 3729 8271 3730 8274
      3740 8275 3745 8278 3757 8276 3771 8230
      3767 8229 3763 8219 3765 8218 3762 8218
      3758 8213 3755 8213 3756 8208 3753 8205
      3755 8204 3754 8197
TIME...MOT...LOC 0548Z 248DEG 56KT 3761 8255 3733 8260 

$$

KYC071-195-040630-
/O.CON.KJKL.SV.W.0021.000000T0000Z-180404T0630Z/
Floyd KY-Pike KY-
148 AM EDT WED APR 4 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM EDT
FOR SOUTHEASTERN FLOYD AND PIKE COUNTIES...

At 148 AM EDT, severe thunderstorms were located along a line
extending from Gulnare to Virgie, moving east at 65 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

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

Locations impacted include...
Pikeville, Coal Run Village, Wheelwright, Martin, Forest Hills, East
McDowell, Huddy, Meta, Jamboree, Fishtrap Lake, Garden Village,
Printer, Aluba, McDowell, Piso, Betsy Layne, Ivel, Honaker, Buckhorn
Hollow and Blue Moon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3746 8208 3727 8273 3729 8271 3730 8274
      3740 8275 3745 8278 3757 8276 3771 8230
      3767 8229 3763 8219 3765 8218 3762 8218
      3758 8213 3755 8213 3756 8208 3753 8205
      3755 8204 3754 8197
TIME...MOT...LOC 0548Z 248DEG 56KT 3761 8255 3733 8260 

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

DJ
714 
WWUS53 KJKL 040558
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
158 AM EDT WED APR 4 2018

KYC071-040608-
/O.CAN.KJKL.SV.W.0021.000000T0000Z-180404T0630Z/
Floyd KY-
158 AM EDT WED APR 4 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN FLOYD COUNTY IS
CANCELLED...

The storms which prompted the warning have 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 northeastern Kentucky.

LAT...LON 3731 8260 3736 8258 3744 8257 3754 8257
      3763 8255 3771 8230 3767 8229 3763 8219
      3765 8218 3762 8218 3758 8213 3755 8213
      3756 8208 3753 8205 3755 8204 3754 8197
      3746 8208
TIME...MOT...LOC 0558Z 248DEG 56KT 3767 8238 3739 8243 

$$

KYC195-040630-
/O.CON.KJKL.SV.W.0021.000000T0000Z-180404T0630Z/
Pike KY-
158 AM EDT WED APR 4 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM EDT
FOR PIKE COUNTY...

At 158 AM EDT, severe thunderstorms were located along a line
extending from Heisey to Marrowbone, moving east at 65 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

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

Locations impacted include...
Pikeville, Coal Run Village, Forest Hills, Huddy, Meta, Turkey Creek,
Jamboree, Belfry, Fishtrap Lake, Coal Run, Conder, Zebulon, Garden
Village, Phyllis, Piso, Marrowbone, Virgie, Raccoon, Board Tree and
Woodman.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3731 8260 3736 8258 3744 8257 3754 8257
      3763 8255 3771 8230 3767 8229 3763 8219
      3765 8218 3762 8218 3758 8213 3755 8213
      3756 8208 3753 8205 3755 8204 3754 8197
      3746 8208
TIME...MOT...LOC 0558Z 248DEG 56KT 3767 8238 3739 8243 

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

DJ
648 
WWUS53 KJKL 040625
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
225 AM EDT WED APR 4 2018

KYC195-040635-
/O.EXP.KJKL.SV.W.0021.000000T0000Z-180404T0630Z/
Pike KY-
225 AM EDT WED APR 4 2018

...THE SEVERE THUNDERSTORM WARNING FOR PIKE COUNTY WILL EXPIRE AT 230
AM EDT...
    
The storms which prompted the warning have moved out of the area.
Therefore the warning will be allowed to expire.

A severe thunderstorm watch remains in effect until 300 AM EDT for
southeastern Kentucky.

LAT...LON 3731 8260 3736 8258 3744 8257 3754 8257
      3763 8255 3771 8230 3767 8229 3763 8219
      3765 8218 3762 8218 3758 8213 3755 8213
      3756 8208 3753 8205 3755 8204 3754 8197
      3746 8208
TIME...MOT...LOC 0625Z 248DEG 56KT 3782 8191 3754 8196 

$$

DJ

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 10:02 PM EDTSevere Thunderstorm WarningJKLEstill, Jackson, Rockcastle43 min
Apr 3, 10:12 PM EDTSevere Thunderstorm WarningJKLBath, Estill, Lee, Menifee, Montgomery, Powell and 1 more48 min
Apr 3, 10:14 PM EDTSpecial Weather StatementJKLBath, Montgomery31 min
Apr 3, 10:25 PM EDTTornado WarningJKLJackson, Rockcastle18 min
Apr 3, 10:33 PM EDTSevere Thunderstorm WarningJKLJackson, Lee, Owsley, Rockcastle42 min
Apr 3, 10:53 PM EDTSevere Thunderstorm WarningJKLElliott, Magoffin, Menifee, Morgan, Powell, Wolfe37 min
Apr 3, 11:06 PM EDTSevere Thunderstorm WarningJKLBreathitt, Knott, Lee, Magoffin, Owsley, Wolfe39 min
Apr 3, 11:28 PM EDTSpecial Weather StatementJKLJohnson, Morgan32 min
Apr 3, 11:35 PM EDTSpecial Weather StatementJKLOwsley25 min
Apr 3, 11:44 PM EDTSevere Thunderstorm WarningJKLBreathitt, Floyd, Johnson, Magoffin, Wolfe31 min
Apr 3, 11:56 PM EDTSpecial Weather StatementJKLOwsley34 min
Apr 4, 12:01 AM EDTAreal Flood AdvisoryJKLEstill, Jackson, Laurel, Lee, Owsley, Powell and 2 more3 hr
Apr 4, 12:04 AM EDTSevere Thunderstorm WarningJKLBell, Knox, Laurel, McCreary, Wayne, Whitley41 min
Apr 4, 12:13 AM EDTSpecial Weather StatementJKLJohnson, Martin47 min
Apr 4, 12:27 AM EDTSpecial Weather StatementJKLBreathitt48 min
Apr 4, 12:30 AM EDTSevere Thunderstorm WarningJKLClay, Knox, Laurel, Leslie, Perry30 min
Apr 4, 12:41 AM EDTSevere Thunderstorm WarningJKLBell, Clay, Harlan, Knox, Leslie, Whitley49 min
Apr 4, 12:59 AM EDTSevere Thunderstorm WarningJKLClay, Floyd, Knott, Leslie, Perry46 min
Apr 4, 1:14 AM EDTSevere Thunderstorm WarningJKLHarlan, Leslie, Letcher, Perry, Pike61 min
Apr 4, 3:08 AM EDTRiver Flood AdvisoryJKLLee52 hr
Apr 4, 3:49 PM EDTFreeze WarningJKLBath, Bell, Breathitt, Clay, Elliott, Estill and 27 more18 hr

Nearby

Severe Thunderstorm Warnings in Kentucky, 2018Every severe thunderstorm warning in 2018

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.