Alert archive / Kentucky / Tornado Warnings in 2017

Tornado Warning 10, NWS Charleston, WV

June 23, 2017Boyd County, Carter County, Lawrence County, Kentucky

NWS Charleston, WV issued this tornado warning at Jun 23, 2017, 6:56 PM EDT for Boyd County, Carter County, Lawrence County, Kentucky. It was in force for 22 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 23, 2017, 6:56 PM EDT (22:56 UTC)
Expired
Jun 23, 2017, 7:18 PM EDT
In force
22 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Boyd County, KY, Carter County, KY, Lawrence County, KY

The radar

The Charleston,WV radar (KRLX), 89 km from the middle of the area, began a volume at 23:00 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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 23, 2:20 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.9 hours before the alert went out and 156 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 2017-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 654 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 2017-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 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
654 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
531 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.6

Open this sounding in Storm Lab

The text

As transmitted.

573 
WFUS51 KRLX 232256
TORRLX
KYC019-043-127-232330-
/O.NEW.KRLX.TO.W.0010.170623T2256Z-170623T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston WV
656 PM EDT FRI JUN 23 2017

The National Weather Service in Charleston West Virginia has issued a

* Tornado Warning for...
  Southern Boyd County in northeastern Kentucky...
  North central Lawrence County in northeastern Kentucky...
  Southeastern Carter County in northeastern Kentucky...

* Until 730 PM EDT
    
* At 655 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Webbville, or 7 miles east of Grayson Lake State
  Park, moving northeast at 40 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Rush around 710 PM EDT. 
  Cannonsburg and Princess around 715 PM EDT. 
  Durbin around 720 PM EDT. 

Other locations impacted by this tornadic thunderstorm include
Lockwood, Willard, Buchanan and Mavity.

This includes Interstate 64 in Kentucky between mile markers 181 and 
188.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3840 8273 3837 8260 3835 8260 3832 8257
      3823 8261 3818 8293 3819 8295 3825 8296
TIME...MOT...LOC 2255Z 241DEG 35KT 3822 8288 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Cooper
3 follow-up statements
155 
WWUS51 KRLX 232306
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
706 PM EDT FRI JUN 23 2017

KYC019-043-127-232330-
/O.CON.KRLX.TO.W.0010.000000T0000Z-170623T2330Z/
Boyd KY-Lawrence KY-Carter KY-
706 PM EDT FRI JUN 23 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR SOUTHERN
BOYD...NORTH CENTRAL LAWRENCE AND EAST CENTRAL CARTER COUNTIES...
    
At 705 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Rush, or 8 miles south of Cannonsburg, moving
northeast at 40 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Princess around 710 PM EDT. 
  Cannonsburg and Durbin around 715 PM EDT. 

Other locations impacted by this tornadic thunderstorm include
Lockwood and Mavity.

This includes Interstate 64 in Kentucky between mile markers 182 and
188.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Please report Severe Weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely.

You may also report severe weather by posting your report to the
Charleston West Virginia National Weather Service Facebook Page, or
by using the Twitter Hashtag, NWSRLX.

&&

LAT...LON 3840 8273 3837 8260 3835 8260 3832 8257
      3826 8260 3821 8283 3824 8287 3828 8287
TIME...MOT...LOC 2305Z 241DEG 35KT 3827 8276 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Cooper
877 
WWUS51 KRLX 232314
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
714 PM EDT FRI JUN 23 2017

KYC043-127-232324-
/O.CAN.KRLX.TO.W.0010.000000T0000Z-170623T2330Z/
Lawrence KY-Carter KY-
714 PM EDT FRI JUN 23 2017

...THE TORNADO WARNING FOR NORTH CENTRAL LAWRENCE AND EAST CENTRAL
CARTER COUNTIES IS CANCELLED...
    
The tornadic 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 1000 PM EDT for
northeastern Kentucky.

LAT...LON 3828 8279 3840 8273 3837 8260 3834 8260
      3832 8257 3826 8260 3826 8261 3827 8262
      3826 8270 3825 8272 3824 8277 3826 8279
TIME...MOT...LOC 2314Z 241DEG 35KT 3831 8266 

$$

KYC019-232330-
/O.CON.KRLX.TO.W.0010.000000T0000Z-170623T2330Z/
Boyd KY-
714 PM EDT FRI JUN 23 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR SOUTHERN
BOYD COUNTY...
    
At 714 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Durbin, or near Cannonsburg, moving northeast at 40
mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This tornadic thunderstorm will remain over mainly rural areas of
southern Boyd County, including the following locations: Lockwood and
Mavity.

This includes Interstate 64 in Kentucky between mile markers 183 and
188.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Please report Severe Weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely.

You may also report severe weather by posting your report to the
Charleston West Virginia National Weather Service Facebook Page, or
by using the Twitter Hashtag, NWSRLX.

&&

LAT...LON 3828 8279 3840 8273 3837 8260 3834 8260
      3832 8257 3826 8260 3826 8261 3827 8262
      3826 8270 3825 8272 3824 8277 3826 8279
TIME...MOT...LOC 2314Z 241DEG 35KT 3831 8266 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Cooper
009 
WWUS51 KRLX 232318
SVSRLX

Severe Weather Statement
National Weather Service Charleston WV
718 PM EDT FRI JUN 23 2017

KYC019-232328-
/O.CAN.KRLX.TO.W.0010.000000T0000Z-170623T2330Z/
Boyd KY-
718 PM EDT FRI JUN 23 2017

...THE TORNADO WARNING FOR SOUTHERN BOYD COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.  However heavy rain is
still possible with this thunderstorm.

A severe thunderstorm watch remains in effect until 1000 PM EDT for
northeastern Kentucky.

LAT...LON 3828 8279 3840 8273 3837 8260 3834 8260
      3832 8257 3826 8260 3826 8261 3827 8262
      3826 8270 3825 8272 3824 8277 3826 8279
TIME...MOT...LOC 2315Z 241DEG 35KT 3833 8262 

$$

Cooper

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 23, 7:37 PM EDTSpecial Weather StatementRLXCarter, Greenup113 min

Nearby

Tornado Warnings in Kentucky, 2017Every tornado warning in 2017Tornadoes in 2017

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.