Alert archive / Kentucky / Tornado Warnings in 2011

Tornado Warning 31, NWS Jackson, KY

April 27, 20115 counties in Kentucky

NWS Jackson, KY issued this tornado warning at Apr 27, 2011, 7:42 PM EDT for 5 counties in Kentucky. It was in force for 48 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 27, 2011, 7:42 PM EDT (23:42 UTC)
Expired
Apr 27, 2011, 8:30 PM EDT
In force
48 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon

Counties Bell County, KY, Harlan County, KY, Leslie County, KY, Letcher County, KY, Perry County, KY

The radar

The Jackson,KY radar (KJKL), 81 km from the middle of the area, began a volume at 23:42 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 27, 7:42 PM EDTHAIL 1Loyall, KYQUARTER SIZE HAIL WAS REPORTED BY LAW ENFORECEMENT.
Apr 27, 7:45 PM EDTHAIL 1Harlan, KY
Apr 27, 7:46 PM EDTTSTM WND GST 60Loyall, KYWIND GUSTS ESTIMATED UP TO 60 MPH.
Apr 27, 7:49 PM EDTTSTM WND DMGEvarts, KYA TRAINED SPOTTER REPORTED THAT SEVERAL 3-5 INCH DIAMETER LIMBS WERE BLOWN FROM TREES IN EVARTS. SOME SHINGLES WERE ALSO BLOWN OFF OF HIS HOME WHILE THE STORM PASSED. THE SPOTTER ALSO REPORTED SEEING A WALL CLOUD ON THE SOUTHWEST FLANK OF THE STORM.
Apr 27, 7:49 PM EDTHAIL 1Evarts, KYQUARTER SIZE HAIL WAS REPORTED IN EVARTS.
Apr 27, 7:50 PM EDTHAIL 1Harlan, KY
Apr 27, 7:55 PM EDTTSTM WND DMGBledsoe, KYTREE ACROSS ROAD.
Apr 27, 7:55 PM EDTTSTM WND DMGEvarts, KYMUDSLIDE WITH TREES BLOCKING KY38.
Apr 27, 8:10 PM EDTHAIL 0.88Cumberland, KYPUBLIC REPORT RELAYED BY MEDIA.
Apr 27, 8:15 PM EDTHAIL 0.75Cumberland, KY
Apr 27, 8:15 PM EDTHAIL 0.88Closplint, 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 27, 5:44 PM EDTTornado WatchSPC7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.7 hours before the alert went out and 290 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 2011-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 279 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 2011-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 470 square meters per square second.1939587897Sfc1 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
279 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
846 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
470 m²/s²
0-3 km storm-relative helicity
503 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.9

Open this sounding in Storm Lab

The text

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

977 
WFUS53 KJKL 272342
TORJKL
KYC013-095-131-133-193-280030-
/O.NEW.KJKL.TO.W.0031.110427T2342Z-110428T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON KY
742 PM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL BELL COUNTY IN SOUTHEAST KENTUCKY...
  HARLAN COUNTY IN SOUTHEAST KENTUCKY...
  SOUTHEASTERN LESLIE COUNTY IN SOUTHEAST KENTUCKY...
  WESTERN LETCHER COUNTY IN SOUTHEAST KENTUCKY...
  SOUTHEASTERN PERRY COUNTY IN SOUTHEAST KENTUCKY...

* UNTIL 830 PM EDT

* AT 737 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR TEETERSVILLE...OR NEAR HARLAN...AND MOVING
  NORTHEAST AT 50 MPH.

  IN ADDITION...AT LARGE HAIL HAS BEEN REPORTED WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  WHITESBURG...ROSSPOINT...COXTON...CRUMMIES...POPEVILLE...
  BROOKSIDE...AGES...INCLINE...CRANKS...TEN SPOT...RHEA...VERDA...
  LEWIS CREEK...KELLIOKA...KILDAV...DRAPER...NAPIER...EVARTS...PUTNEY
  AND JONESBURG.

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 3694 8344 3722 8289 3704 8272 3698 8286
      3689 8287 3686 8295 3685 8306 3675 8314
      3673 8327 3668 8340 3663 8363
TIME...MOT...LOC 2342Z 240DEG 43KT 3684 8329

$$

ABE
4 follow-up statements
080 
WWUS53 KJKL 272356 RRA
SVSJKL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
756 PM EDT WED APR 27 2011

KYC013-280005-
/O.CAN.KJKL.TO.W.0031.000000T0000Z-110428T0030Z/
BELL KY-
756 PM EDT WED APR 27 2011

...THE TORNADO WARNING FOR EAST CENTRAL BELL COUNTY IS CANCELLED...

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

LAT...LON 3679 8347 3694 8344 3722 8289 3704 8272
      3698 8286 3689 8287 3686 8295 3685 8306
      3675 8314 3673 8327 3670 8334 3667 8342
      3667 8343
TIME...MOT...LOC 2355Z 240DEG 43KT 3691 8312

$$

KYC095-131-133-193-280030-
/O.CON.KJKL.TO.W.0031.000000T0000Z-110428T0030Z/
PERRY KY-LESLIE KY-LETCHER KY-HARLAN KY-
756 PM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR HARLAN...SOUTHWESTERN
LETCHER...SOUTHEASTERN LESLIE AND SOUTHEASTERN PERRY COUNTIES UNTIL
830 PM EDT...

AT 751 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR RIVER RIDGE...OR 9 MILES NORTHEAST OF 
HARLAN...MOVING NORTHEAST AT 50 MPH. ADDITIONAL STORMS OVER 
SOUTHWESTERN HARLAN COUNTY ARE ALSO CAPABLE OF PRODUCING TORNADOES. 
GOLF BALL SIZED HAIL AND STRAIGHT LINE WINDS IN EXCESS OF 70 MPH ARE 
ALSO POSSIBLE WITH THESES STORMS.

LOCATIONS IMPACTED INCLUDE...
  HARLAN...WHITESBURG...TOTZ...LOUELLEN...BLACK BOTTOM...            
  LEATHERWOOD...LEJUNIOR...CLOVER-DARBY...RILEYVILLE...CLOSPLINT...  
  GEORGETOWN...RUTHERFORD...DIANE...GILLEY...HOLMES                  
  MILL...HIRAM...DELPHIA...  CREECH...SLEMP...CHAD AND GORDON.

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 3679 8347 3694 8344 3722 8289 3704 8272
      3698 8286 3689 8287 3686 8295 3685 8306
      3675 8314 3673 8327 3670 8334 3667 8342
      3667 8343
TIME...MOT...LOC 2355Z 240DEG 43KT 3691 8312

$$

PELTON
935 
WWUS53 KJKL 280011
SVSJKL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
811 PM EDT WED APR 27 2011

KYC095-131-133-193-280030-
/O.CON.KJKL.TO.W.0031.000000T0000Z-110428T0030Z/
PERRY KY-LESLIE KY-LETCHER KY-HARLAN KY-
811 PM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN HARLAN...
SOUTHWESTERN LETCHER...EAST CENTRAL LESLIE AND SOUTHEASTERN PERRY
COUNTIES UNTIL 830 PM EDT...

AT 805 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING TORNADOES.  THESE 
DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM INDIAN 
BOTTOM TO CLOVER TO PENNINGTON GAP...MOVING NORTHEAST AT 45 MPH. 
PENNY SIZE HAIL AND STRAIGHT LINE WINDS IN EXCESS OF 60 MPH MAY ALSO 
ACCOMPANY THESE DAMAGING WINDS.

LOCATIONS IMPACTED INCLUDE...
  WHITESBURG...VAN...CLOVER FORK...SACKETT...ICE...TILLIE...WHITCO...
  CROWN...DAY...BIG BLACK MOUNTAIN...DONGOLA...MARLOWE...BELLCRAFT...
  OVEN FORK AND EOLIA.

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 3673 8327 3702 8329 3722 8289 3704 8272
      3698 8286 3689 8287 3686 8295 3685 8306
      3675 8314
TIME...MOT...LOC 0010Z 247DEG 41KT 3715 8290 3697 8290
          3679 8301

$$

PELTON
768 
WWUS53 KJKL 280024
SVSJKL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
824 PM EDT WED APR 27 2011

KYC131-193-280033-
/O.CAN.KJKL.TO.W.0031.000000T0000Z-110428T0030Z/
PERRY KY-LESLIE KY-
824 PM EDT WED APR 27 2011

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

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE 
WARNED AREA.

LAT...LON 3693 8310 3707 8302 3722 8289 3704 8272
      3698 8286 3689 8287 3686 8295 3685 8306
      3675 8314
TIME...MOT...LOC 0023Z 234DEG 46KT 3727 8281 3713 8272
          3695 8283

$$

KYC095-133-280030-
/O.CON.KJKL.TO.W.0031.000000T0000Z-110428T0030Z/
LETCHER KY-HARLAN KY-
824 PM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN HARLAN AND
SOUTHWESTERN LETCHER COUNTIES UNTIL 830 PM EDT...

AT 818 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO.  THESE
DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM COLSON TO
ERMINE TO BIG BLACK MOUNTAIN...MOVING NORTHEAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OFSOUTHEASTERN LETCHER COUNTY.

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 3693 8310 3707 8302 3722 8289 3704 8272
      3698 8286 3689 8287 3686 8295 3685 8306
      3675 8314
TIME...MOT...LOC 0023Z 234DEG 46KT 3727 8281 3713 8272
          3695 8283

$$

PELTON
070 
WWUS53 KJKL 280030
SVSJKL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
830 PM EDT WED APR 27 2011

KYC095-133-280039-
/O.EXP.KJKL.TO.W.0031.000000T0000Z-110428T0030Z/
LETCHER KY-HARLAN KY-
830 PM EDT WED APR 27 2011

...THE TORNADO WARNING FOR EASTERN HARLAN AND SOUTHWESTERN LETCHER
COUNTIES WILL EXPIRE AT 830 PM EDT...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED AS THE STORM MOVES INTO LETCHER COUNTY...SOUTHEASTERN FLOYD 
COUNTY...AND SOUTHEASTERN KNOTT COUNTY. HOWEVER...A SEVERE 
THUNDERSTORM WARNING REMAINS IN EFFECT LETCHER COUNTY UNTIL 900 PM 
EDT. 

LAT...LON 3693 8310 3707 8302 3722 8289 3704 8272
      3698 8286 3689 8287 3686 8295 3685 8306
      3675 8314
TIME...MOT...LOC 0029Z 234DEG 46KT 3731 8273 3717 8264
          3699 8275

$$

PELTON

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 8:27 AM EDTSevere Thunderstorm WarningJKLPulaski, Wayne33 min
Apr 27, 8:36 AM EDTTornado WarningJKLWayne24 min
Apr 27, 8:53 AM EDTTornado WarningJKLPulaski, Wayne38 min
Apr 27, 9:16 AM EDTSevere Thunderstorm WarningJKLEstill, Jackson, Laurel, Pulaski, Rockcastle44 min
Apr 27, 9:24 AM EDTSevere Thunderstorm WarningJKLLaurel, McCreary, Whitley51 min
Apr 27, 10:02 AM EDTSevere Thunderstorm WarningJKLClay, Jackson, Laurel43 min
Apr 27, 5:23 PM EDTSevere Thunderstorm WarningJKLKnox, Laurel, McCreary, Whitley37 min
Apr 27, 5:44 PM EDTTornado WarningJKLBell, Knox, McCreary, Whitley46 min
Apr 27, 6:37 PM EDTTornado WarningJKLBell, Knox, McCreary, Whitley38 min
Apr 27, 7:03 PM EDTFlash Flood WarningJKLBell, Knox, McCreary, Whitley6 hr
Apr 27, 7:07 PM EDTTornado WarningJKLBell, Harlan, Leslie38 min
Apr 27, 7:22 PM EDTSevere Thunderstorm WarningJKLMcCreary, Pulaski, Wayne, Whitley38 min
Apr 27, 7:29 PM EDTAreal Flood AdvisoryJKLBath, Clay, Estill, Fleming, Jackson, Knox and 13 more6 hr
Apr 27, 7:51 PM EDTFlash Flood WarningJKLKnox, Laurel, McCreary, Whitley6 hr

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.