Alert archive / Kentucky / Tornado Warnings in 2011

Tornado Warning 20, NWS Jackson, KY

April 9, 20115 counties in Kentucky

NWS Jackson, KY issued this tornado warning at Apr 9, 2011, 3:21 PM EDT for 5 counties in Kentucky. It was in force for 39 min. 1 report 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 9, 2011, 3:21 PM EDT (19:21 UTC)
Expired: Apr 9, 2011, 4:00 PM EDT
In force: 39 min
Issued by: NWS Jackson, KY
Area: Storm-based polygon

Counties Knott County, KY, Leslie County, KY, Letcher County, KY, Perry County, KY, Pike County, KY

The radar

The Jackson,KY radar (KJKL), 70 km from the middle of the area, began a volume at 19:24 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

Time	Report	Where	Remark
Apr 9, 3:22 PM EDT	TSTM WND DMG	1 Se Cutshin, KY	TREES DOWN ON COON CREEK.

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.

Issued	Product	Office	Lasted
Apr 9, 12:34 PM EDT	Severe Thunderstorm Watch	SPC	4 hr
Apr 9, 2:00 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.4 hours before the alert went out and 269 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 589 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 257 m²/s²
0-3 km storm-relative helicity: 257 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.

550 
WFUS53 KJKL 091921
TORJKL
KYC119-131-133-193-195-092000-
/O.NEW.KJKL.TO.W.0020.110409T1921Z-110409T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON KY
321 PM EDT SAT APR 9 2011

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN KNOTT COUNTY IN SOUTHEAST KENTUCKY...
  EAST CENTRAL LESLIE COUNTY IN SOUTHEAST KENTUCKY...
  LETCHER COUNTY IN SOUTHEAST KENTUCKY...
  SOUTHEASTERN PERRY COUNTY IN SOUTHEAST KENTUCKY...
  SOUTHWESTERN PIKE COUNTY IN SOUTHEAST KENTUCKY...

* UNTIL 400 PM EDT

* AT 320 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR DALEY...OR 8 MILES SOUTH OF HAZARD...AND
  MOVING EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WHITESBURG...DIABLOCK...VIPER...JEFF...CORDIA...ELIC...SLEMP...
  ANCO...DAISY...WISCOAL...VICCO...CORNETTSVILLE...SASSAFRAS...
  ULVAH...BLUEFIELD...ARMINTA...RED STAR...SMITHSBORO...AMBURGEY AND
  HALLIE.

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 3723 8245 3718 8260 3713 8268 3712 8272
      3704 8272 3701 8281 3707 8330 3728 8324
      3726 8242
TIME...MOT...LOC 1921Z 281DEG 47KT 3714 8321

$$

ABE

2 follow-up statements

879 
WWUS53 KJKL 091941
SVSJKL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
341 PM EDT SAT APR 9 2011

KYC131-193-091951-
/O.CAN.KJKL.TO.W.0020.000000T0000Z-110409T2000Z/
PERRY KY-LESLIE KY-
341 PM EDT SAT APR 9 2011

...THE TORNADO WARNING FOR EAST CENTRAL LESLIE AND SOUTHEASTERN PERRY
COUNTIES IS CANCELLED...

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

LAT...LON 3723 8245 3718 8260 3713 8268 3712 8272
      3703 8273 3701 8281 3704 8306 3705 8307
      3707 8305 3710 8305 3726 8294 3726 8242
TIME...MOT...LOC 1941Z 283DEG 48KT 3706 8288

$$

KYC119-133-195-092000-
/O.CON.KJKL.TO.W.0020.000000T0000Z-110409T2000Z/
PIKE KY-KNOTT KY-LETCHER KY-
341 PM EDT SAT APR 9 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR LETCHER...SOUTH CENTRAL
KNOTT AND EXTREME SOUTHWESTERN PIKE COUNTIES UNTIL 400 PM EDT...

AT 337 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR FLINT...OR 7 MILES SOUTHWEST OF WHITESBURG...
MOVING EAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  WHITESBURG...MARLOWE...DAY...DONGOLA...LESTER...BELLCRAFT...
  DEMOCRAT...LUCASTOWN...SOUTHDOWN...DEANE...ERMINE...OVEN FORK...
  COLLY...FARRADAY...SERGENT...WINTERS...EOLIA...CRAFTSVILLE...
  MAYKING AND MILLSTONE.

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 3723 8245 3718 8260 3713 8268 3712 8272
      3703 8273 3701 8281 3704 8306 3705 8307
      3707 8305 3710 8305 3726 8294 3726 8242
TIME...MOT...LOC 1941Z 283DEG 48KT 3706 8288

$$

ABE

413 
WWUS53 KJKL 092000
SVSJKL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
400 PM EDT SAT APR 9 2011

KYC119-133-195-092010-
/O.EXP.KJKL.TO.W.0020.000000T0000Z-110409T2000Z/
PIKE KY-KNOTT KY-LETCHER KY-
400 PM EDT SAT APR 9 2011

...THE TORNADO WARNING FOR LETCHER...SOUTH CENTRAL KNOTT AND EXTREME
SOUTHWESTERN PIKE COUNTIES HAS EXPIRED...

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

LAT...LON 3723 8245 3718 8260 3713 8268 3712 8272
      3703 8273 3701 8281 3704 8306 3705 8307
      3707 8305 3710 8305 3726 8294 3726 8242
TIME...MOT...LOC 1941Z 283DEG 48KT 3706 8288

$$

ABE

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 8, 8:08 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Knott, Magoffin, Perry, Wolfe	25 min
Apr 8, 8:49 PM EDT	Severe Thunderstorm Warning	JKL	Bath, Menifee, Morgan, Rowan	41 min
Apr 8, 8:49 PM EDT	Severe Thunderstorm Warning	JKL	Elliott, Johnson, Magoffin, Morgan, Rowan	26 min
Apr 8, 9:13 PM EDT	Severe Thunderstorm Warning	JKL	Elliott, Johnson, Magoffin, Morgan	47 min
Apr 8, 9:19 PM EDT	Areal Flood Advisory	JKL	Bath, Elliott, Johnson, Magoffin, Menifee, Morgan and 1 more	3 hr
Apr 8, 9:26 PM EDT	Severe Thunderstorm Warning	JKL	Bath, Menifee, Montgomery, Morgan, Powell, Wolfe	49 min
Apr 8, 9:28 PM EDT	Severe Thunderstorm Warning	JKL	Martin	32 min
Apr 8, 9:45 PM EDT	Severe Thunderstorm Warning	JKL	Floyd, Johnson, Magoffin, Martin, Morgan, Pike	45 min
Apr 8, 9:48 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Magoffin, Morgan, Wolfe	42 min
Apr 8, 9:55 PM EDT	Severe Thunderstorm Warning	JKL	Estill, Lee, Montgomery, Powell, Wolfe	50 min
Apr 8, 9:59 PM EDT	Severe Thunderstorm Warning	JKL	Magoffin, Morgan	31 min
Apr 8, 10:07 PM EDT	Areal Flood Advisory	JKL	Floyd, Johnson, Magoffin, Martin, Menifee, Montgomery and 4 more	2 hr
Apr 8, 10:27 PM EDT	Severe Thunderstorm Warning	JKL	Floyd, Johnson, Knott, Magoffin, Martin, Pike	63 min
Apr 8, 10:30 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Floyd, Johnson, Knott, Magoffin, Morgan and 1 more	45 min
Apr 8, 10:48 PM EDT	Severe Thunderstorm Warning	JKL	Estill, Lee, Powell, Wolfe	42 min
Apr 8, 10:53 PM EDT	Areal Flood Advisory	JKL	Breathitt, Floyd, Knott, Magoffin, Pike	2 hr
Apr 8, 11:26 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Lee, Magoffin, Wolfe	49 min
Apr 8, 11:53 PM EDT	Severe Thunderstorm Warning	JKL	Floyd, Knott, Letcher, Pike	37 min
Apr 9, 12:03 AM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Knott, Perry	42 min
Apr 9, 12:48 AM EDT	Areal Flood Advisory	JKL	Breathitt	103 min
Apr 9, 11:59 AM EDT	Severe Thunderstorm Warning	JKL	Bath, Menifee, Montgomery, Rowan	46 min
Apr 9, 12:06 PM EDT	Severe Thunderstorm Warning	JKL	Bath, Fleming, Rowan	39 min
Apr 9, 1:14 PM EDT	Severe Thunderstorm Warning	JKL	Floyd, Knott, Letcher, Pike	46 min
Apr 9, 1:40 PM EDT	Severe Thunderstorm Warning	JKL	Pulaski, Rockcastle	50 min
Apr 9, 1:44 PM EDT	Tornado Warning	JKL	Estill, Menifee, Montgomery, Powell, Wolfe	31 min
Apr 9, 1:48 PM EDT	Severe Thunderstorm Warning	JKL	Estill, Lee, Menifee, Powell, Wolfe	42 min
Apr 9, 1:50 PM EDT	Severe Thunderstorm Warning	JKL	Floyd, Pike	40 min
Apr 9, 1:51 PM EDT	Severe Thunderstorm Warning	JKL	Floyd, Knott, Letcher, Pike	28 min
Apr 9, 1:54 PM EDT	Tornado Warning	JKL	Laurel, Pulaski, Rockcastle	36 min
Apr 9, 1:58 PM EDT	Severe Thunderstorm Warning	JKL	Estill, Jackson, Lee, Owsley, Rockcastle	47 min
Apr 9, 2:01 PM EDT	Severe Thunderstorm Warning	JKL	Bath, Elliott, Menifee, Montgomery, Morgan, Rowan	44 min
Apr 9, 2:05 PM EDT	Tornado Warning	JKL	Elliott, Magoffin, Menifee, Morgan, Wolfe	40 min
Apr 9, 2:20 PM EDT	Areal Flood Advisory	JKL	Bath, Estill, Fleming, Menifee, Montgomery, Powell and 2 more	4 hr
Apr 9, 2:20 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Floyd, Knott, Lee, Magoffin, Morgan and 1 more	40 min
Apr 9, 2:23 PM EDT	Severe Thunderstorm Warning	JKL	Clay, Jackson, Knox, Laurel, Pulaski, Rockcastle	37 min
Apr 9, 2:27 PM EDT	Tornado Warning	JKL	Floyd, Johnson, Magoffin, Morgan	33 min
Apr 9, 2:31 PM EDT	Tornado Warning	JKL	Clay, Knox, Laurel, Pulaski	44 min
Apr 9, 2:32 PM EDT	Tornado Warning	JKL	Clay, Jackson, Laurel, Owsley	43 min
Apr 9, 2:36 PM EDT	Severe Thunderstorm Warning	JKL	Knox, Laurel, McCreary, Pulaski, Wayne, Whitley	24 min
Apr 9, 2:43 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Clay, Floyd, Johnson, Knott, Lee and 6 more	47 min
Apr 9, 2:58 PM EDT	Severe Thunderstorm Warning	JKL	Bell, Clay, Harlan, Knox, Laurel, Leslie and 1 more	32 min
Apr 9, 3:01 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Clay, Leslie, Owsley, Perry	29 min
Apr 9, 3:05 PM EDT	Flash Flood Warning	JKL	Pike	4 hr
Apr 9, 3:10 PM EDT	Severe Thunderstorm Warning	JKL	Bell, Harlan, Knox, Laurel, Leslie, Whitley	50 min
Apr 9, 3:11 PM EDT	Areal Flood Advisory	JKL	Breathitt, Floyd, Johnson, Knott, Letcher, Magoffin and 3 more	109 min
Apr 9, 3:14 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Floyd, Johnson, Knott, Letcher, Magoffin and 3 more	46 min
Apr 9, 3:26 PM EDT	Tornado Warning	JKL	Bell, Harlan, Leslie, Letcher, Perry	34 min
Apr 9, 3:30 PM EDT	Tornado Warning	JKL	Floyd, Pike	45 min
Apr 9, 3:42 PM EDT	Severe Thunderstorm Warning	JKL	Bell, Harlan	18 min
Apr 9, 4:14 PM EDT	Areal Flood Advisory	JKL	Breathitt	3 hr
Apr 9, 4:58 PM EDT	Severe Thunderstorm Warning	JKL	Clay, Leslie	47 min
Apr 9, 5:03 PM EDT	Areal Flood Advisory	JKL	Breathitt, Floyd, Harlan, Knott, Leslie, Letcher and 3 more	2 hr
Apr 9, 5:29 PM EDT	Severe Thunderstorm Warning	JKL	Harlan, Leslie, Letcher, Perry	35 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.