Alert archive / Kentucky / Tornado Warnings in 2011

Tornado Warning 7, NWS Jackson, KY

April 4, 2011Laurel County, Pulaski County, Rockcastle County, Kentucky

NWS Jackson, KY issued this tornado warning at Apr 4, 2011, 4:34 PM EDT for Laurel County, Pulaski County, Rockcastle County, Kentucky. It was in force for 26 min. 11 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 4, 2011, 4:34 PM EDT (20:34 UTC)
Expired
Apr 4, 2011, 5:00 PM EDT
In force
26 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon

Counties Laurel County, KY, Pulaski County, KY, Rockcastle County, KY

The radar

The Jackson,KY radar (KJKL), 91 km from the middle of the area, began a volume at 20:35 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 4, 4:40 PM EDTTSTM WND DMGScience Hill, KYCARPORT BLOWN OVER AND DESTROYED NEAR INTERSECTION OF 27 AND 635.
Apr 4, 4:45 PM EDTTSTM WND GST 70Somerset, KY70 MPH WIND GUSTS SW OF SOMERSET. REPORT VIA ESPOTTER.
Apr 4, 5:00 PM EDTTSTM WND DMG6 Nw London, KYNUMEROUS TREES AND POWERLINES DOWN NEAR HAWK CREEK
Apr 4, 5:02 PM EDTTSTM WND DMG1 W London, KYPOWERLINES AND TREES DOWN ON COUNTY FARM ROAD.
Apr 4, 5:04 PM EDTTSTM WND DMG4 N London, KYTRAMPOLINE BLOWN INTO POWERLINES.
Apr 4, 5:04 PM EDTTSTM WND DMG5 S London, KYTREES AND POWERLINES DOWN ON TOPTON ROAD.
Apr 4, 5:04 PM EDTTSTM WND DMGLondon, KYTREE FELL ON VEHICLE.
Apr 4, 5:05 PM EDTTSTM WND DMGLily, KYPOWERLINES AND TREES DOWN ON VAN ZANT ROAD.
Apr 4, 5:06 PM EDTTSTM WND DMG6 Se London, KYPART OF BUILDING BLOWN OFF.
Apr 4, 5:06 PM EDTTSTM WND DMGLondon, KYTREES AND POWER LINES DOWN ON PARKER ROAD. POSSIBLE FUNNEL CLOUD IN AREA.
Apr 4, 5:08 PM EDTTSTM WND GST 58London, 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 4, 3:05 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.6 hours before the alert went out and 245 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 2011-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 68 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, Nashville Metro, TN at 12:00Z on 2011-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 370 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
68 J/kg
Mixed-layer CIN
-640 J/kg
Mixed-layer LCL
855 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
370 m²/s²
0-3 km storm-relative helicity
507 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.

803 
WFUS53 KJKL 042034
TORJKL
KYC125-199-203-042100-
/O.NEW.KJKL.TO.W.0007.110404T2034Z-110404T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON KY
434 PM EDT MON APR 4 2011

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL LAUREL COUNTY IN SOUTH CENTRAL KENTUCKY...
  CENTRAL PULASKI COUNTY IN SOUTH CENTRAL KENTUCKY...
  EXTREME SOUTH CENTRAL ROCKCASTLE COUNTY IN SOUTH CENTRAL
  KENTUCKY...

* UNTIL 500 PM EDT

* AT 430 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR POINTER...OR 7 MILES WEST OF SOMERSET...AND
  MOVING EAST AT 65 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  RUTH...SHOPVILLE AND DABNEY AROUND 440 PM EDT.
  BENT...GRADE...DYKES AND VALLEY OAK AROUND 445 PM EDT.
  BILLOWS AND ROCKCASTLE SPRINGS AROUND 450 PM EDT.
  BUNCH...BERNSTADT...HIGHTOP AND WOOD CREEK LAKE AROUND 455 PM EDT.
  SUBLIMITY CITY AND LONDON AROUND 500 PM EDT.

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.

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 3720 8477 3722 8396 3720 8395 3717 8398
      3714 8395 3712 8394 3712 8391 3704 8391
      3703 8394 3700 8395 3702 8477
TIME...MOT...LOC 2034Z 270DEG 58KT 3711 8465

$$

GREIF
3 follow-up statements
642 
WWUS53 KJKL 042048
SVSJKL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
448 PM EDT MON APR 4 2011

KYC125-199-203-042100-
/O.CON.KJKL.TO.W.0007.000000T0000Z-110404T2100Z/
ROCKCASTLE KY-PULASKI KY-LAUREL KY-
448 PM EDT MON APR 4 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL LAUREL...EAST
CENTRAL PULASKI AND EXTREME SOUTH CENTRAL ROCKCASTLE COUNTIES UNTIL
500 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 BENT...OR 8 MILES EAST OF SOMERSET...MOVING
EAST AT 65 MPH.

LOCATIONS IMPACTED INCLUDE...
  LONDON...ROCKCASTLE SPRINGS...BILLOWS...BUNCH...BERNSTADT...WOOD
  CREEK LAKE...HIGHTOP...HARE...CARMICHAEL...SUBLIMITY CITY...
  LONDON-CORBIN AIRPORT...PITTSBURG...FARISTON...LEVI JACKSON S.P....
  EAST BERNSTADT...MAPLESVILLE...LILY...LESBAS...MCHARGUE AND LIDA.

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 3721 8459 3722 8396 3720 8395 3717 8398
      3712 8394 3711 8392 3705 8391 3703 8394
      3700 8395 3702 8464
TIME...MOT...LOC 2048Z 270DEG 58KT 3711 8437

$$

ABE
418 
WWUS53 KJKL 042050
SVSJKL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
450 PM EDT MON APR 4 2011

KYC125-199-203-042100-
/O.CON.KJKL.TO.W.0007.000000T0000Z-110404T2100Z/
ROCKCASTLE KY-PULASKI KY-LAUREL KY-
450 PM EDT MON APR 4 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL LAUREL...EAST
CENTRAL PULASKI AND EXTREME SOUTH CENTRAL ROCKCASTLE COUNTIES UNTIL
500 PM EDT...

AT 447 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR BENT...OR 12 MILES EAST OF SOMERSET...MOVING
EAST AT 65 MPH.

LOCATIONS IMPACTED INCLUDE...
  LONDON...ROCKCASTLE SPRINGS...BILLOWS...BUNCH...BERNSTADT...WOOD
  CREEK LAKE...HIGHTOP...HARE...CARMICHAEL...SUBLIMITY CITY...
  LONDON-CORBIN AIRPORT...PITTSBURG...FARISTON...LEVI JACKSON S.P....
  EAST BERNSTADT...MAPLESVILLE...LILY...LESBAS...MCHARGUE AND LIDA.

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 3702 8446 3721 8443 3722 8396 3720 8395
      3718 8398 3717 8398 3712 8393 3705 8391
      3703 8394 3700 8395
TIME...MOT...LOC 2050Z 270DEG 58KT 3711 8433

$$

ABE
914 
WWUS53 KJKL 042058 RRA
SVSJKL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
458 PM EDT MON APR 4 2011

KYC125-199-203-042109-
/O.EXP.KJKL.TO.W.0007.000000T0000Z-110404T2100Z/
ROCKCASTLE KY-PULASKI KY-LAUREL KY-
458 PM EDT MON APR 4 2011

...THE TORNADO WARNING FOR CENTRAL LAUREL...EAST CENTRAL PULASKI AND
EXTREME SOUTH CENTRAL ROCKCASTLE COUNTIES IS BEING REISSUED...

PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER
INFORMATION.

LAT...LON 3702 8446 3721 8443 3722 8396 3720 8395
      3718 8398 3717 8398 3712 8393 3705 8391
      3703 8394 3700 8395
TIME...MOT...LOC 2059Z 270DEG 58KT 3711 8415

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 8:06 PM EDTWind AdvisoryJKLBath, Breathitt, Clay, Elliott, Estill, Fleming and 23 more23 hr
Apr 4, 3:34 PM EDTSevere Thunderstorm WarningJKLBath, Fleming, Montgomery, Rowan41 min
Apr 4, 3:38 PM EDTSevere Thunderstorm WarningJKLFloyd, Knott, Letcher, Pike37 min
Apr 4, 3:56 PM EDTSevere Thunderstorm WarningJKLEstill, Lee, Menifee, Montgomery, Powell49 min
Apr 4, 4:01 PM EDTSevere Thunderstorm WarningJKLMcCreary, Pulaski, Wayne44 min
Apr 4, 4:17 PM EDTSevere Thunderstorm WarningJKLLaurel, Pulaski, Rockcastle43 min
Apr 4, 4:39 PM EDTSevere Thunderstorm WarningJKLBell, Clay, Knox, Laurel, McCreary, Pulaski and 2 more51 min
Apr 4, 4:41 PM EDTSevere Thunderstorm WarningJKLEstill, Jackson, Lee, Owsley, Pulaski, Rockcastle49 min
Apr 4, 4:41 PM EDTTornado WarningJKLBell, Knox, McCreary, Wayne, Whitley34 min
Apr 4, 4:54 PM EDTSevere Thunderstorm WarningJKLEstill, Jackson, Lee, Menifee, Montgomery, Powell and 1 more51 min
Apr 4, 4:55 PM EDTSevere Thunderstorm WarningJKLClay, Jackson, Laurel, Owsley, Pulaski, Rockcastle35 min
Apr 4, 4:58 PM EDTTornado WarningJKLClay, Knox, Laurel, Pulaski, Rockcastle47 min
Apr 4, 5:03 PM EDTSevere Thunderstorm WarningJKLElliott, Menifee, Morgan, Rowan, Wolfe27 min
Apr 4, 5:14 PM EDTSevere Thunderstorm WarningJKLBreathitt, Estill, Jackson, Lee, Owsley46 min
Apr 4, 5:22 PM EDTSevere Thunderstorm WarningJKLBell, Clay, Harlan, Knox, Leslie, Letcher and 1 more53 min
Apr 4, 5:32 PM EDTSevere Thunderstorm WarningJKLBreathitt, Clay, Knott, Leslie, Owsley, Perry43 min
Apr 4, 5:35 PM EDTTornado WarningJKLKnott, Leslie, Perry40 min
Apr 4, 5:40 PM EDTSevere Thunderstorm WarningJKLJohnson, Magoffin, Martin, Morgan, Wolfe50 min
Apr 4, 5:46 PM EDTSevere Thunderstorm WarningJKLBreathitt, Floyd, Johnson, Knott, Magoffin, Martin and 2 more59 min
Apr 4, 5:48 PM EDTSevere Thunderstorm WarningJKLFloyd, Harlan, Knott, Letcher, Perry, Pike42 min
Apr 4, 6:08 PM EDTTornado WarningJKLFloyd, Knott, Pike52 min
Apr 4, 6:09 PM EDTAreal Flood AdvisoryJKLFloyd, Johnson, Martin2 hr
Apr 4, 6:14 PM EDTAreal Flood AdvisoryJKLPulaski, Rockcastle119 min
Apr 4, 6:16 PM EDTTornado WarningJKLFloyd, Knott, Martin, Pike44 min
Apr 4, 6:39 PM EDTAreal Flood AdvisoryJKLBath, Estill, Fleming, Menifee, Montgomery, Powell and 1 more94 min
Apr 4, 6:39 PM EDTTornado WarningJKLPike36 min
Apr 4, 6:52 PM EDTFlash Flood WarningJKLPulaski82 min

Nearby

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