Alert archive / Tennessee / Tornado Warnings in 2014

Tornado Warning 3, NWS Morristown, TN

April 28, 2014Claiborne County, Hancock County, Tennessee; Lee County, Scott County, Virginia

NWS Morristown, TN issued this tornado warning at Apr 28, 2014, 3:05 PM EDT for Claiborne County, Hancock County, Tennessee; Lee County, Scott County, Virginia. It was in force for 40 min. 7 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 28, 2014, 3:05 PM EDT (19:05 UTC)
Expired: Apr 28, 2014, 3:45 PM EDT
In force: 40 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon

Counties Claiborne County, TN, Hancock County, TN, Lee County, VA, Scott County, VA

The radar

The Knoxville radar (KMRX), 54 km from the middle of the area, began a volume at 19:04 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 28, 3:15 PM EDT	TSTM WND DMG	Ewing, VA	SEVERAL TREES DOWN.
Apr 28, 3:15 PM EDT	TSTM WND DMG	Harrogate-Shawanee, TN	ROOF BLOWN OFF OF A BARN ON LMU PROPERTY. ROAD SIGN BLOWN INTO VEHICLE NEAR INTERSECTION OF ROUTES 63 AND 25.
Apr 28, 3:30 PM EDT	HAIL 0.75	Pennington Gap, VA
Apr 28, 3:33 PM EDT	HAIL 0.75	3 Wsw Jonesville, VA	3/4 INCH HAIL
Apr 28, 3:35 PM EDT	TSTM WND DMG	Jonesville, VA	NUMEROUS TREES DOWN.
Apr 28, 3:35 PM EDT	TSTM WND DMG	Pennington Gap, VA	NUMEROUS TREES DOWN.
Apr 28, 3:45 PM EDT	HAIL 1.25	Pennington Gap, VA

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 28, 2:33 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.1 hours before the alert went out and 303 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: 864 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 206 m²/s²
0-3 km storm-relative helicity: 153 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.

591 
WFUS54 KMRX 281905
TORMRX
TNC025-067-VAC105-169-281945-
/O.NEW.KMRX.TO.W.0003.140428T1905Z-140428T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
305 PM EDT MON APR 28 2014

THE NATIONAL WEATHER SERVICE IN MORRISTOWN  HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN CLAIBORNE COUNTY IN EASTERN TENNESSEE...
  HANCOCK COUNTY IN EASTERN TENNESSEE...
  SOUTHWESTERN SCOTT COUNTY IN SOUTHWEST VIRGINIA...
  LEE COUNTY IN SOUTHWEST VIRGINIA...

* UNTIL 345 PM EDT
    
* AT 305 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
  NEAR HARROGATE...OR 8 MILES EAST OF MIDDLESBORO...AND MOVING EAST
  AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SNEEDVILLE...JONESVILLE...TAZEWELL...PENNINGTON GAP...HARROGATE...
  DRYDEN...KYLES FORD...EVANSTON...POWELL RIVER PRESERVE...
  PATTONSVILLE...EWING...CUMBERLAND GAP AND ROSE HILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3660 8281 3654 8294 3656 8301 3650 8313
      3646 8364 3660 8368 3662 8365 3667 8352
      3667 8342 3671 8330 3674 8313 3678 8313
      3684 8286
TIME...MOT...LOC 1905Z 256DEG 42KT 3657 8357 

$$

DH

1 follow-up statement

919 
WWUS54 KMRX 281923
SVSMRX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
323 PM EDT MON APR 28 2014

TNC025-067-VAC105-169-281945-
/O.CON.KMRX.TO.W.0003.000000T0000Z-140428T1945Z/
CLAIBORNE TN-HANCOCK TN-SCOTT VA-LEE VA-
323 PM EDT MON APR 28 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR
NORTHEASTERN CLAIBORNE...HANCOCK...SOUTHWESTERN SCOTT AND LEE
COUNTIES...
    
AT 323 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR PEEPACE
STORE...OR 7 MILES NORTHWEST OF SNEEDVILLE...MOVING EAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
SNEEDVILLE...JONESVILLE...TAZEWELL...PENNINGTON GAP...HARROGATE...
DRYDEN...KYLES FORD...EVANSTON...POWELL RIVER PRESERVE...
PATTONSVILLE...EWING...CUMBERLAND GAP AND ROSE HILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3660 8281 3654 8294 3656 8301 3650 8313
      3646 8364 3660 8368 3662 8365 3667 8352
      3667 8342 3671 8330 3674 8313 3678 8313
      3684 8286
TIME...MOT...LOC 1923Z 254DEG 46KT 3664 8327 

$$

DH

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 28, 9:28 AM EDT	River Flood Warning	MRX	Cocke	3 days
Apr 28, 1:21 PM EDT	Severe Thunderstorm Warning	MRX	Scott	24 min
Apr 28, 1:45 PM EDT	Severe Thunderstorm Warning	MRX	Scott	30 min
Apr 28, 1:58 PM EDT	Severe Thunderstorm Warning	MRX	Campbell, Claiborne, Scott	47 min
Apr 28, 2:07 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Campbell, Morgan, Scott	38 min
Apr 28, 2:38 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Campbell, Claiborne, Morgan, Scott, Union	52 min
Apr 28, 2:41 PM EDT	Severe Thunderstorm Warning	MRX	Campbell, Claiborne, Hancock	49 min
Apr 28, 3:21 PM EDT	Severe Thunderstorm Warning	MRX	Claiborne, Grainger, Hancock, Hawkins, Union	54 min
Apr 28, 3:34 PM EDT	Wind Advisory	MRX	Blount, Carter, Cocke, Greene, Johnson, Monroe and 3 more	16 hr
Apr 28, 4:12 PM EDT	Severe Thunderstorm Warning	MRX	Carter, Hancock, Hawkins, Sullivan	48 min
Apr 28, 4:21 PM EDT	Severe Thunderstorm Warning	MRX	Carter, Unicoi	39 min
Apr 28, 4:28 PM EDT	Severe Thunderstorm Warning	MRX	Johnson, Sullivan	47 min
Apr 28, 3:32 PM EDT	Severe Thunderstorm Warning	MRX	Lee, Wise, City of Norton	58 min
Apr 28, 3:42 PM EDT	Severe Thunderstorm Warning	MRX	Lee, Russell, Scott, Washington	63 min
Apr 28, 3:46 PM EDT	Tornado Warning	MRX	Lee, Russell, Scott, Washington	44 min
Apr 28, 4:40 PM EDT	Severe Thunderstorm Warning	MRX	Washington	35 min

Nearby

Tornado Warnings in Tennessee, 2014 Tornado Warnings in Virginia, 2014 Every tornado warning in 2014 Tornadoes in 2014

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.