Alert archive / Kentucky / Tornado Warnings in 2012

Tornado Warning 40, NWS Jackson, KY

April 26, 20124 counties in Kentucky

NWS Jackson, KY issued this tornado warning at Apr 26, 2012, 4:09 PM EDT for 4 counties in Kentucky. It was in force for 51 min. 5 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 26, 2012, 4:09 PM EDT (20:09 UTC)
Expired
Apr 26, 2012, 5:00 PM EDT
In force
51 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon

Counties Clay County, KY, Jackson County, KY, Owsley County, KY, Rockcastle County, KY

The radar

The Jackson,KY radar (KJKL), 55 km from the middle of the area, began a volume at 20:10 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 26, 4:15 PM EDTHAIL 1.75Turkey Foot, KY
Apr 26, 4:31 PM EDTHAIL 0.88Island City, KYDIME TO NICKEL SIZE HAIL FELL FOR ABOUT 5 MINUTES.
Apr 26, 4:37 PM EDTHAIL 0.5Island City, KYPEA TO DIME SIZED HAIL. WALL CLOUD ALSO OBSERVED.
Apr 26, 4:47 PM EDTHAIL 0.75Island City, KYHAIL STOPPED AT 436 PM AND STARTED AGAIN 11 MINUTES LATER.
Apr 26, 4:49 PM EDTHAIL 1Island City, KY

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 26, 3:11 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.2 hours before the alert went out and 219 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 2012-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 970 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 2012-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 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
970 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
461 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
259 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

767 
WFUS53 KJKL 262009
TORJKL
KYC051-109-189-203-262100-
/O.NEW.KJKL.TO.W.0040.120426T2009Z-120426T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON KY
409 PM EDT THU APR 26 2012

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL CLAY COUNTY IN SOUTHEAST KENTUCKY...
  JACKSON COUNTY IN SOUTHEAST KENTUCKY...
  OWSLEY COUNTY IN SOUTHEAST KENTUCKY...
  NORTHEASTERN ROCKCASTLE COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 500 PM EDT

* AT 401 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR SANDGAP...OR 7 MILES NORTHWEST OF MCKEE...
  AND MOVING EAST AT 35 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  MACEDONIA...BRADSHAW...MCKEE AND ATKINSTOWN AROUND 415 PM EDT.
  PRIVETT...TURKEY FOOT...NEW ZION AND GRAY HAWK AROUND 420 PM EDT.
  MUMMIE...HERD...ZEKES POINT AND WILD DOG AROUND 425 PM EDT.
  GREEN HALL...ELIAN AND NATHANTON AROUND 430 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS DANGEROUS STORM INCLUDE NEW ZION...
ALGER AND ARNETT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA.

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3744 8428 3757 8411 3757 8402 3754 8390
      3749 8383 3750 8374 3745 8355 3718 8357
TIME...MOT...LOC 2009Z 289DEG 29KT 3746 8402

$$

DUSTY
2 follow-up statements
558 
WWUS53 KJKL 262049
SVSJKL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
449 PM EDT THU APR 26 2012

KYC203-262057-
/O.CAN.KJKL.TO.W.0040.000000T0000Z-120426T2100Z/
ROCKCASTLE KY-
449 PM EDT THU APR 26 2012

...THE TORNADO WARNING FOR NORTHEASTERN ROCKCASTLE COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3734 8399 3754 8390 3749 8383 3749 8380
      3749 8374 3745 8355 3718 8357
TIME...MOT...LOC 2047Z 289DEG 29KT 3736 8366

$$

KYC051-109-189-262100-
/O.CON.KJKL.TO.W.0040.000000T0000Z-120426T2100Z/
JACKSON KY-OWSLEY KY-CLAY KY-
449 PM EDT THU APR 26 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL CLAY...
OWSLEY AND EASTERN JACKSON COUNTIES UNTIL 500 PM EDT...

AT 448 PM EDT...TRAINED WEATHER SPOTTERS NEAR ISLAND CITY IN OWSLEY 
COUNTY REPORTED A POSSIBLE FUNNEL CLOUD. THIS STORM WAS LOCATED 
NEAR SEBASTIAN...OR 8 MILES SOUTH OF BOONEVILLE...MOVING EAST AT 35 
MPH.

THE DEVELOPING TORNADO WILL BE NEAR...
  MISTLETOE...LUCKY FORK...BRUTUS AND BARCREEK AROUND 455 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADO INCLUDE ARNETT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3734 8399 3754 8390 3749 8383 3749 8380
      3749 8374 3745 8355 3718 8357
TIME...MOT...LOC 2047Z 289DEG 29KT 3736 8366

$$

BECKER
106 
WWUS53 KJKL 262055
SVSJKL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
455 PM EDT THU APR 26 2012

KYC051-109-189-262105-
/O.EXP.KJKL.TO.W.0040.000000T0000Z-120426T2100Z/
JACKSON KY-OWSLEY KY-CLAY KY-
455 PM EDT THU APR 26 2012

...THE TORNADO WARNING FOR NORTH CENTRAL CLAY...OWSLEY AND EASTERN
JACKSON COUNTIES WILL EXPIRE AT 500 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA...HOWEVER SMALL HAIL...GUSTY WINDS AND HEAVY RAIN ARE
STILL POSSIBLE WITH THIS THUNDERSTORM.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 9 PM EDT.

LAT...LON 3734 8399 3754 8390 3749 8383 3749 8380
      3749 8374 3745 8355 3718 8357
TIME...MOT...LOC 2055Z 289DEG 29KT 3734 8358

$$

BECKER

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 10:56 PM EDTSevere Thunderstorm WarningJKLClay, Jackson, Laurel, Owsley, Rockcastle34 min
Apr 26, 1:52 AM EDTAreal Flood AdvisoryJKLBath, Elliott, Fleming, Rowan3 hr
Apr 26, 2:40 AM EDTFlash Flood WarningJKLElliott, Fleming, Rowan4 hr
Apr 26, 3:32 AM EDTAreal Flood AdvisoryJKLJohnson, Martin3 hr
Apr 26, 5:52 AM EDTSevere Thunderstorm WarningJKLMcCreary, Pulaski, Wayne38 min
Apr 26, 6:27 AM EDTSevere Thunderstorm WarningJKLBell, Clay, Harlan, Knox, Laurel, Leslie and 2 more48 min
Apr 26, 3:44 PM EDTSevere Thunderstorm WarningJKLBreathitt, Estill, Jackson, Lee, Owsley46 min
Apr 26, 4:37 PM EDTSevere Thunderstorm WarningJKLClay, Knox, Laurel, Pulaski, Rockcastle, Whitley53 min
Apr 26, 4:51 PM EDTSevere Thunderstorm WarningJKLMcCreary, Pulaski, Wayne, Whitley54 min
Apr 26, 4:56 PM EDTSevere Thunderstorm WarningJKLBreathitt, Clay, Jackson, Leslie, Owsley, Perry18 min
Apr 26, 5:00 PM EDTSevere Thunderstorm WarningJKLFloyd, Martin, Pike26 min
Apr 26, 5:04 PM EDTSevere Thunderstorm WarningJKLBreathitt, Floyd, Knott, Letcher, Magoffin, Perry and 1 more29 min
Apr 26, 5:13 PM EDTTornado WarningJKLClay, Jackson, Leslie, Owsley, Perry32 min
Apr 26, 5:28 PM EDTSevere Thunderstorm WarningJKLClay, Knox, Laurel, Pulaski, Whitley47 min
Apr 26, 5:43 PM EDTTornado WarningJKLClay, Harlan, Knott, Leslie, Letcher, Perry47 min
Apr 26, 5:47 PM EDTSevere Thunderstorm WarningJKLMcCreary, Wayne, Whitley43 min
Apr 26, 5:52 PM EDTSevere Thunderstorm WarningJKLMcCreary, Wayne14 min
Apr 26, 5:55 PM EDTSevere Thunderstorm WarningJKLFloyd, Martin, Pike38 min
Apr 26, 6:10 PM EDTTornado WarningJKLBell, Clay, Harlan, Knox, Laurel, Leslie and 1 more51 min
Apr 26, 6:21 PM EDTTornado WarningJKLHarlan, Leslie, Letcher, Perry31 min
Apr 26, 6:27 PM EDTSevere Thunderstorm WarningJKLBell, McCreary, Whitley22 min

Nearby

Tornado Warnings in Kentucky, 2012Every tornado warning in 2012Tornadoes in 2012

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.