Alert archive / Kentucky / Tornado Warnings in 2011

Tornado Warning 28, NWS Jackson, KY

April 27, 20114 counties in Kentucky

NWS Jackson, KY issued this tornado warning at Apr 27, 2011, 5:44 PM EDT for 4 counties in Kentucky. It was in force for 46 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
Apr 27, 2011, 5:44 PM EDT (21:44 UTC)
Expired
Apr 27, 2011, 6:30 PM EDT
In force
46 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon

Counties Bell County, KY, Knox County, KY, McCreary County, KY, Whitley County, KY

The radar

The Knoxville radar (KMRX), 80 km from the middle of the area, began a volume at 21:45 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.

IssuedProductOfficeLasted
Apr 27, 5:44 PM EDTTornado WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.7 hours before the alert went out and 237 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 2011-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2011-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -84 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
714 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
-84 m²/s²
0-3 km storm-relative helicity
-38 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.

388 
WFUS53 KJKL 272144
TORJKL
KYC013-121-147-235-272230-
/O.NEW.KJKL.TO.W.0028.110427T2144Z-110427T2230Z/

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

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN BELL COUNTY IN SOUTHEAST KENTUCKY...
  WESTERN KNOX COUNTY IN SOUTHEAST KENTUCKY...
  SOUTHEASTERN MCCREARY COUNTY IN SOUTH CENTRAL KENTUCKY...
  SOUTHERN WHITLEY COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 630 PM EDT

* AT 541 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 7 MILES EAST OF ONEIDA...AND MOVING NORTHEAST AT
  60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WILLIAMSBURG...MIDDLESBORO...BARBOURVILLE...HOLLYHILL...ZION
  HILL...AYERS...JELLICO CREEK...FAIRVIEW...RED ASH...BON...LOT...
  MOUNTAIN ASH...SAXTON...PLEASANT VIEW...EMLYN...PACKARD...
  WOFFORD...POLLY CAMP...YADEN AND SUTTONS MILL.

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 3660 8444 3696 8387 3660 8369 3658 8375
TIME...MOT...LOC 2144Z 238DEG 53KT 3653 8435

$$

ABE
3 follow-up statements
432 
WWUS53 KJKL 272202
SVSJKL

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

KYC147-272212-
/O.CAN.KJKL.TO.W.0028.000000T0000Z-110427T2230Z/
MCCREARY KY-
602 PM EDT WED APR 27 2011

...THE TORNADO WARNING FOR SOUTHEASTERN MCCREARY COUNTY IS
CANCELLED...

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

LAT...LON 3660 8424 3676 8418 3696 8387 3660 8369
      3658 8375
TIME...MOT...LOC 2202Z 238DEG 53KT 3667 8407

$$

KYC013-121-235-272230-
/O.CON.KJKL.TO.W.0028.000000T0000Z-110427T2230Z/
KNOX KY-WHITLEY KY-BELL KY-
602 PM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN BELL...
SOUTHEASTERN WHITLEY AND WESTERN KNOX COUNTIES UNTIL 630 PM EDT...

AT 559 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR MOUNTAIN ASH...OR 7 MILES SOUTHEAST OF
WILLIAMSBURG...MOVING NORTHEAST AT 60 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  BIRDSEYE...CARPENTER...GOINS AND GAUSDALE AROUND 610 PM EDT.
  HUBBS...BRYANTS STORE...WARREN AND KAYJAY AROUND 615 PM EDT.
  TROSPER...MYRICK...AVIS AND BRUSH CREEK AROUND 620 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.

&&

LAT...LON 3660 8424 3676 8418 3696 8387 3660 8369
      3658 8375
TIME...MOT...LOC 2202Z 238DEG 53KT 3667 8407

$$

GREIF
040 
WWUS53 KJKL 272214
SVSJKL

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

KYC013-121-235-272230-
/O.CON.KJKL.TO.W.0028.000000T0000Z-110427T2230Z/
KNOX KY-WHITLEY KY-BELL KY-
614 PM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN BELL...
SOUTHEASTERN WHITLEY AND WESTERN KNOX COUNTIES UNTIL 630 PM EDT...

AT 613 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR CARPENTER...OR 11 MILES EAST OF
WILLIAMSBURG...MOVING NORTHEAST AT 55 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  HUBBS...BRYANTS STORE...KING AND WARREN AROUND 620 PM EDT.
  AVIS...MYRICK...BRUSH CREEK AND ARTEMUS AROUND 625 PM EDT.
  CANNON AROUND 630 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADO INCLUDE PROVIDENCE.

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 3660 8408 3681 8405 3696 8387 3660 8369
      3658 8375
TIME...MOT...LOC 2214Z 230DEG 49KT 3673 8397

$$

GREIF
162 
WWUS53 KJKL 272227
SVSJKL

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

KYC013-121-235-272237-
/O.EXP.KJKL.TO.W.0028.000000T0000Z-110427T2230Z/
KNOX KY-WHITLEY KY-BELL KY-
627 PM EDT WED APR 27 2011

...THE TORNADO WARNING FOR SOUTHWESTERN BELL...SOUTHEASTERN WHITLEY
AND WESTERN KNOX COUNTIES WILL EXPIRE AT 630 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 1 AM EDT. 

LAT...LON 3660 8408 3681 8405 3696 8387 3660 8369
      3658 8375
TIME...MOT...LOC 2227Z 230DEG 49KT 3684 8380

$$

GREIF

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, 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, 7:42 PM EDTTornado WarningJKLBell, Harlan, Leslie, Letcher, Perry48 min
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.