Alert archive / Kentucky / Tornado Warnings in 2016

Tornado Warning 28, NWS Louisville, KY

December 17, 2016Breckinridge County, Grayson County, Ohio County, Kentucky

NWS Louisville, KY issued this tornado warning at Dec 17, 2016, 3:39 PM CST for Breckinridge County, Grayson County, Ohio County, Kentucky. It was in force for 21 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
Dec 17, 2016, 3:39 PM CST (21:39 UTC)
Expired
Dec 17, 2016, 4:00 PM CST
In force
21 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Breckinridge County, KY, Grayson County, KY, Ohio County, KY

The radar

The Louisville radar (KLVX), 71 km from the middle of the area, began a volume at 21:42 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
Dec 17, 1:42 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.7 hours before the alert went out and 161 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 2016-12-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2016-12-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 734 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
611 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
734 m²/s²
0-3 km storm-relative helicity
836 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

964 
WFUS53 KLMK 172139
TORLMK
KYC027-085-183-172200-
/O.NEW.KLMK.TO.W.0028.161217T2139Z-161217T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Louisville KY
339 PM CST SAT DEC 17 2016

The National Weather Service in Louisville has issued a

* Tornado Warning for...
  East central Ohio County in central Kentucky...
  Northwestern Grayson County in central Kentucky...
  Southwestern Breckinridge County in central Kentucky...

* Until 400 PM CST
    
* At 339 PM CST, a severe thunderstorm capable of producing a tornado
  was located 14 miles southeast of Whitesville, moving northeast at
  50 mph.

  HAZARD...Tornado and quarter size hail. 

  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. 

* Locations impacted include...
  Concord, Glen Dean, Cannons Point, Mccoy, Axtel, Askin, Narrows,
  Kingswood, Dempster and Vanzant.

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 3749 8670 3759 8677 3775 8642 3759 8633
TIME...MOT...LOC 2139Z 242DEG 43KT 3757 8665 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

ZT
2 follow-up statements
336 
WWUS53 KLMK 172148
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
348 PM CST SAT DEC 17 2016

KYC183-172157-
/O.CAN.KLMK.TO.W.0028.000000T0000Z-161217T2200Z/
Ohio KY-
348 PM CST SAT DEC 17 2016

...THE TORNADO WARNING FOR EAST CENTRAL OHIO COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. therefore the warning has been cancelled.

A tornado watch remains in effect until 900 PM CST for central
Kentucky.

LAT...LON 3775 8642 3759 8633 3755 8658 3766 8663
TIME...MOT...LOC 2147Z 242DEG 42KT 3761 8655 

$$

KYC027-085-172200-
/O.CON.KLMK.TO.W.0028.000000T0000Z-161217T2200Z/
Grayson KY-Breckinridge KY-
348 PM CST SAT DEC 17 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CST FOR
NORTHWESTERN GRAYSON AND SOUTHWESTERN BRECKINRIDGE COUNTIES...
    
At 347 PM CST, a severe thunderstorm capable of producing a tornado
was located 12 miles south of Hardinsburg, moving northeast at 50
mph.

HAZARD...Tornado and quarter size hail. 

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. 

Locations impacted include...
Glen Dean, Cannons Point, Mccoy, Axtel, Kirk, Kingswood, Dempster,
Vanzant, Falling Branch and Hickory Corner.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3775 8642 3759 8633 3755 8658 3766 8663
TIME...MOT...LOC 2147Z 242DEG 42KT 3761 8655 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

ZT
058 
WWUS53 KLMK 172153
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
353 PM CST SAT DEC 17 2016

KYC027-085-172200-
/O.CON.KLMK.TO.W.0028.000000T0000Z-161217T2200Z/
Grayson KY-Breckinridge KY-
353 PM CST SAT DEC 17 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CST FOR
NORTHWESTERN GRAYSON AND SOUTHWESTERN BRECKINRIDGE COUNTIES...
    
At 353 PM CST, a severe thunderstorm capable of producing a tornado
was located 9 miles south of Hardinsburg, moving northeast at 50 mph.

HAZARD...Tornado and quarter size hail. 

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. 

Locations impacted include...
Glen Dean, Cannons Point, Mccoy, Axtel, Kirk, Kingswood, Dempster,
Falling Branch, Hickory Corner and Indian Valley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3775 8642 3759 8633 3756 8654 3768 8658
TIME...MOT...LOC 2153Z 242DEG 43KT 3765 8646 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

ZT

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 17, 4:36 AM CSTWinter Weather AdvisoryLMKAdair, Allen, Anderson, Barren, Bourbon, Boyle and 43 more28 hr
Dec 17, 1:45 PM CSTSevere Thunderstorm WarningLMKBreckinridge, Hancock15 min
Dec 17, 1:58 PM CSTSevere Thunderstorm WarningLMKBreckinridge, Hancock13 min
Dec 17, 2:52 PM CSTSevere Thunderstorm WarningLMKOhio38 min
Dec 17, 3:02 PM CSTTornado WarningLMKOhio13 min
Dec 17, 3:22 PM CSTSevere Thunderstorm WarningLMKBreckinridge, Hancock23 min
Dec 17, 3:23 PM CSTTornado WarningLMKBreckinridge, Grayson, Ohio22 min
Dec 17, 3:46 PM CSTSevere Thunderstorm WarningLMKBreckinridge, Hancock, Meade29 min
Dec 17, 3:58 PM CSTSpecial Weather StatementLMKBreckinridge32 min
Dec 17, 4:23 PM CSTSpecial Weather StatementLMKMeade67 min
Dec 17, 4:35 PM CSTSpecial Weather StatementLMKOhio25 min
Dec 17, 5:25 PM CSTSpecial Weather StatementLMKMeade35 min
Dec 17, 5:30 PM CSTSpecial Weather StatementLMKOhio30 min

Nearby

Tornado Warnings in Kentucky, 2016Every tornado warning in 2016Tornadoes in 2016

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.