Alert archive / Kentucky / Tornado Warnings in 2017

Tornado Warning 8, NWS Jackson, KY

September 1, 2017Breathitt County, Perry County, Kentucky

NWS Jackson, KY issued this tornado warning at Sep 1, 2017, 3:02 PM EDT for Breathitt County, Perry County, Kentucky. It was in force for 28 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
Sep 1, 2017, 3:02 PM EDT (19:02 UTC)
Expired
Sep 1, 2017, 3:30 PM EDT
In force
28 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Breathitt County, KY, Perry County, KY

The radar

The Jackson,KY radar (KJKL), 21 km from the middle of the area, began a volume at 19:06 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.0 hours before the alert went out and 227 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 2017-09-01Temperature 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, Cncnati-Daytn, OH at 12:00Z on 2017-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.193958Sfc1 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
1381 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

257 
WFUS53 KJKL 011902
TORJKL
KYC025-193-011930-
/O.NEW.KJKL.TO.W.0008.170901T1902Z-170901T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service JACKSON KY
302 PM EDT FRI SEP 1 2017

The National Weather Service in JACKSON KY has issued a

* Tornado Warning for...
  Northern Perry County in southeastern Kentucky...
  Southeastern Breathitt County in southeastern Kentucky...

* Until 330 PM EDT
    
* At 301 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Rowdy, or 9 miles north of Hazard, moving north at
  20 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...
  Noble around 310 PM EDT. 
  Decoy around 325 PM EDT. 

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 3737 8324 3754 8320 3752 8308 3752 8310
      3750 8309 3746 8313 3743 8313 3735 8318
TIME...MOT...LOC 1901Z 202DEG 19KT 3739 8320 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

RAY
2 follow-up statements
084 
WWUS53 KJKL 011912
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
312 PM EDT FRI SEP 1 2017

KYC193-011921-
/O.CAN.KJKL.TO.W.0008.000000T0000Z-170901T1930Z/
Perry KY-
312 PM EDT FRI SEP 1 2017

...THE TORNADO WARNING FOR NORTHERN PERRY COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3742 8320 3744 8322 3754 8320 3752 8310
      3750 8309 3746 8313 3743 8313 3741 8314
      3741 8317
TIME...MOT...LOC 1911Z 202DEG 19KT 3744 8317 

$$

KYC025-011930-
/O.CON.KJKL.TO.W.0008.000000T0000Z-170901T1930Z/
Breathitt KY-
312 PM EDT FRI SEP 1 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM EDT FOR
SOUTHEASTERN BREATHITT COUNTY...
    
At 311 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Noble, or 12 miles northwest of Hindman, moving
north at 20 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 storm will be near...Decoy around 325 PM EDT. 

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 3742 8320 3744 8322 3754 8320 3752 8310
      3750 8309 3746 8313 3743 8313 3741 8314
      3741 8317
TIME...MOT...LOC 1911Z 202DEG 19KT 3744 8317 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

RAY
258 
WWUS53 KJKL 011926
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
326 PM EDT FRI SEP 1 2017

KYC025-011935-
/O.EXP.KJKL.TO.W.0008.000000T0000Z-170901T1930Z/
Breathitt KY-
326 PM EDT FRI SEP 1 2017

...THE TORNADO WARNING FOR SOUTHEASTERN BREATHITT COUNTY WILL EXPIRE
AT 330 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire. However gusty winds 
are still possible with this storm.

LAT...LON 3742 8320 3744 8322 3754 8320 3752 8310
      3750 8309 3746 8313 3743 8313 3741 8314
      3741 8317
TIME...MOT...LOC 1925Z 202DEG 19KT 3750 8314 

$$

RAY

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 11:15 AM EDTLake Wind AdvisoryJKLPulaski, Rockcastle, Wayne6 hr
Sep 1, 11:15 AM EDTWind AdvisoryJKLBath, Estill, Fleming, Menifee, Montgomery, Powell and 1 more6 hr
Sep 1, 1:19 PM EDTSpecial Weather StatementJKLBell, Harlan, Leslie41 min
Sep 1, 2:50 PM EDTSpecial Weather StatementJKLPerry40 min
Sep 1, 3:23 PM EDTSpecial Weather StatementJKLKnott22 min
Sep 1, 3:34 PM EDTSpecial Weather StatementJKLMagoffin26 min
Sep 1, 3:49 PM EDTSpecial Weather StatementJKLMagoffin26 min
Sep 1, 4:22 PM EDTSpecial Weather StatementJKLJohnson23 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.