Alert archive / Kentucky / Tornado Warnings in 2011

Tornado Warning 32, NWS Jackson, KY

May 24, 2011Harlan County, Kentucky

NWS Jackson, KY issued this tornado warning at May 24, 2011, 4:41 PM EDT for Harlan County, Kentucky. It was in force for 19 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: May 24, 2011, 4:41 PM EDT (20:41 UTC)
Expired: May 24, 2011, 5:00 PM EDT
In force: 19 min
Issued by: NWS Jackson, KY
Area: Storm-based polygon

County Harlan County, KY

The radar

The Knoxville radar (KMRX), 71 km from the middle of the area, began a volume at 20:44 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.

Issued	Product	Office	Lasted
May 24, 1:57 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.7 hours before the alert went out and 299 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 6 J/kg
Mixed-layer CIN: -257 J/kg
Mixed-layer LCL: 841 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 99 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

048 
WFUS53 KJKL 242041
TORJKL
KYC095-242115-
/O.NEW.KJKL.TO.W.0032.110524T2041Z-110524T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON KY
441 PM EDT TUE MAY 24 2011

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL HARLAN COUNTY IN SOUTHEAST KENTUCKY...

* UNTIL 515 PM EDT

* AT 439 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR FLAGLER...OR 6 MILES SOUTHEAST OF HARLAN...
  AND MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TEN SPOT...POPEVILLE...CRUMMIES...CRANKS...BLACK MOUNTAIN AND
  DIZNEY.

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 3685 8335 3685 8307 3682 8310 3680 8311
      3678 8313 3676 8313 3675 8314 3673 8322
      3673 8327 3672 8333
TIME...MOT...LOC 2042Z 263DEG 28KT 3677 8322

$$

GEOGERIAN

2 follow-up statements

624 
WWUS53 KJKL 242046
SVSJKL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
446 PM EDT TUE MAY 24 2011

KYC095-242115-
/O.CON.KJKL.TO.W.0032.000000T0000Z-110524T2115Z/
HARLAN KY-
446 PM EDT TUE MAY 24 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL HARLAN COUNTY
UNTIL 515 PM EDT...

AT 443 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR CRUMMIES...OR 8 MILES SOUTHEAST OF HARLAN...
MOVING EAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  BLACK MOUNTAIN.

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 3685 8322 3685 8307 3682 8310 3680 8311
      3678 8313 3676 8313 3675 8314 3673 8322
      3673 8326
TIME...MOT...LOC 2046Z 263DEG 28KT 3678 8318

$$

GEOGERIAN

517 
WWUS53 KJKL 242100
SVSJKL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
500 PM EDT TUE MAY 24 2011

KYC095-242108-
/O.CAN.KJKL.TO.W.0032.000000T0000Z-110524T2115Z/
HARLAN KY-
500 PM EDT TUE MAY 24 2011

...THE TORNADO WARNING FOR CENTRAL HARLAN COUNTY IS CANCELLED...

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

A SEVERE THUNDERSTORM WARNING DOES REMAIN IN EFFECT FOR SOUTHERN 
HARLAN COUNTY REMAINS IN EFFECT UNTIL 5:45 PM EDT.

ADDITIONALLY...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT 
UNTIL 8 PM EDT.

LAT...LON 3685 8322 3685 8307 3682 8310 3680 8311
      3678 8313 3676 8313 3675 8314 3673 8322
      3673 8326
TIME...MOT...LOC 2058Z 263DEG 28KT 3678 8306

$$

GEOGERIAN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 8:25 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Clay, Leslie, Owsley, Perry	35 min
May 23, 8:46 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Clay, Leslie, Owsley, Perry	44 min
May 23, 8:57 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Knott, Magoffin, Morgan, Wolfe	33 min
May 23, 9:12 PM EDT	Severe Thunderstorm Warning	JKL	Elliott, Floyd, Johnson, Magoffin, Morgan	48 min
May 24, 7:45 AM EDT	Severe Thunderstorm Warning	JKL	McCreary, Pulaski, Wayne	45 min
May 24, 8:16 AM EDT	Severe Thunderstorm Warning	JKL	Knox, Laurel, McCreary, Pulaski, Wayne, Whitley	44 min
May 24, 9:01 AM EDT	Areal Flood Advisory	JKL	Clay, Knox, Laurel, McCreary, Pulaski, Whitley	119 min
May 24, 9:08 AM EDT	Areal Flood Advisory	JKL	Floyd, Harlan, Knott, Leslie, Letcher, Perry and 1 more	112 min
May 24, 1:34 PM EDT	Severe Thunderstorm Warning	JKL	Bell, Clay, Harlan, Knox, Leslie	41 min
May 24, 2:39 PM EDT	Areal Flood Advisory	JKL	Harlan, Knott, Leslie, Letcher, Perry, Pike	4 hr
May 24, 2:58 PM EDT	Severe Thunderstorm Warning	JKL	Wayne	47 min
May 24, 3:08 PM EDT	Areal Flood Advisory	JKL	Bell, Clay, Harlan, Knox, Laurel, Leslie and 4 more	4 hr
May 24, 3:12 PM EDT	Severe Thunderstorm Warning	JKL	McCreary, Pulaski, Wayne	48 min
May 24, 3:25 PM EDT	Severe Thunderstorm Warning	JKL	Bell, Knox, Whitley	50 min
May 24, 3:27 PM EDT	Severe Thunderstorm Warning	JKL	Harlan, Letcher, Perry	19 min
May 24, 3:30 PM EDT	Severe Thunderstorm Warning	JKL	McCreary, Wayne	45 min
May 24, 3:46 PM EDT	Severe Thunderstorm Warning	JKL	Harlan	29 min
May 24, 3:57 PM EDT	Severe Thunderstorm Warning	JKL	Bell, Harlan, Knox, Leslie	63 min
May 24, 4:04 PM EDT	Severe Thunderstorm Warning	JKL	Bell, Harlan, Knox, Whitley	56 min
May 24, 4:36 PM EDT	Areal Flood Advisory	JKL	Bell, Harlan, Knox, McCreary, Wayne, Whitley	3 hr
May 24, 4:54 PM EDT	Severe Thunderstorm Warning	JKL	Bell, Harlan	23 min
May 24, 5:02 PM EDT	Flash Flood Warning	JKL	Bell, Clay, Harlan, Knox, Laurel, Leslie and 2 more	6 hr
May 24, 6:34 PM EDT	Areal Flood Advisory	JKL	Harlan, Knott, Leslie, Letcher, Perry	4 hr

Nearby

Tornado Warnings in Kentucky, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.