Alert archive / Virginia / Tornado Warnings in 2014

Tornado Warning 13, NWS Morristown, TN

July 27, 2014Lee County, Scott County, Wise County, Virginia

NWS Morristown, TN issued this tornado warning at Jul 27, 2014, 4:38 PM EDT for Lee County, Scott County, Wise County, Virginia. It was in force for 52 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
Jul 27, 2014, 4:38 PM EDT (20:38 UTC)
Expired
Jul 27, 2014, 5:30 PM EDT
In force
52 min
Issued by
NWS Morristown, TN
Area
Storm-based polygon

Counties Lee County, VA, Scott County, VA, Wise County, VA

The radar

The Knoxville radar (KMRX), 84 km from the middle of the area, began a volume at 20:41 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
Jul 27, 4:54 PM EDTHAIL 1.75Pennington Gap, VA
Jul 27, 5:00 PM EDTHAIL 1.75Dryden, VA
Jul 27, 5:00 PM EDTHAIL 2.5Pennington Gap, VA
Jul 27, 5:03 PM EDTHAIL 2Dryden, VA
Jul 27, 5:10 PM EDTHAIL 1.75Pennington Gap, VA2 POLICE CARS DESTROYED BY DAMAGE FROM GOLF BALL SIZE OR LARGER HAIL. LOTS OF DEBRIS ON ROADWAYS.
Jul 27, 5:12 PM EDTTSTM WND DMGDuffield, VASEVERAL TREES DOWN
Jul 27, 5:12 PM EDTHAIL 2.75Duffield, 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.

IssuedProductOfficeLasted
Jul 27, 1:00 PM EDTTornado WatchSPC11 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.6 hours before the alert went out and 279 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, Greensboro/Hi Pt, NC at 12:00Z on 2014-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 116 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, Greensboro/Hi Pt, NC at 12:00Z on 2014-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -70 square meters per square second.193958Sfc1 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
116 J/kg
Mixed-layer CIN
-224 J/kg
Mixed-layer LCL
1295 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-70 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

004 
WFUS54 KMRX 272038
TORMRX
VAC105-169-195-272130-
/O.NEW.KMRX.TO.W.0013.140727T2038Z-140727T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
438 PM EDT SUN JUL 27 2014

THE NATIONAL WEATHER SERVICE IN MORRISTOWN  HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN WISE COUNTY IN SOUTHWEST VIRGINIA...
  CENTRAL SCOTT COUNTY IN SOUTHWEST VIRGINIA...
  NORTHEASTERN LEE COUNTY IN SOUTHWEST VIRGINIA...

* UNTIL 530 PM EDT
    
* AT 438 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
  OVER KENVIR...OR 9 MILES EAST OF HARLAN...AND MOVING SOUTHEAST AT
  40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GATE CITY...BIG STONE GAP...PENNINGTON GAP...APPALACHIA...ST.
  CHARLES...DUFFIELD...CLINCHPORT...DRYDEN...FORT BLACKMORE...JASPER
  AND PATTONSVILLE.

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 3685 8248 3659 8263 3662 8283 3676 8311
      3678 8313 3680 8310 3683 8310 3685 8307
      3685 8301 3689 8288 3694 8286
TIME...MOT...LOC 2038Z 292DEG 34KT 3686 8316 

$$

DH
2 follow-up statements
305 
WWUS54 KMRX 272050
SVSMRX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
450 PM EDT SUN JUL 27 2014

VAC105-169-195-272130-
/O.CON.KMRX.TO.W.0013.000000T0000Z-140727T2130Z/
WISE VA-SCOTT VA-LEE VA-
450 PM EDT SUN JUL 27 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR
SOUTHWESTERN WISE...CENTRAL SCOTT AND NORTHEASTERN LEE COUNTIES...
    
AT 449 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR HOLMES
MILL...OR 10 MILES NORTHEAST OF JONESVILLE...MOVING EAST AT 40 MPH.

IN ADDITION...GOLFBALL SIZE OR LARGER CAN ALSO BE EXPECTED.  

LOCATIONS IMPACTED INCLUDE...
GATE CITY...BIG STONE GAP...PENNINGTON GAP...APPALACHIA...ST.
CHARLES...DUFFIELD...CLINCHPORT...DRYDEN...FORT BLACKMORE...JASPER
AND PATTONSVILLE.

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 3685 8248 3659 8263 3662 8283 3676 8311
      3678 8313 3680 8310 3683 8310 3685 8307
      3685 8301 3689 8288 3694 8286
TIME...MOT...LOC 2049Z 292DEG 34KT 3682 8304 

$$

DH
600 
WWUS54 KMRX 272101
SVSMRX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
501 PM EDT SUN JUL 27 2014

VAC105-169-195-272130-
/O.CON.KMRX.TO.W.0013.000000T0000Z-140727T2130Z/
WISE VA-SCOTT VA-LEE VA-
501 PM EDT SUN JUL 27 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR
SOUTHWESTERN WISE...CENTRAL SCOTT AND NORTHEASTERN LEE COUNTIES...
    
AT 500 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
PENNINGTON GAP...OR 9 MILES NORTHEAST OF JONESVILLE...MOVING
SOUTHEAST AT 35 MPH.

IN ADDITION...LARGE HAIL IN THE SIZE OF GOLFBALL OR LARGER CAN BE 
EXPECTED WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
GATE CITY...BIG STONE GAP...PENNINGTON GAP...APPALACHIA...ST.
CHARLES...DUFFIELD...CLINCHPORT...DRYDEN...FORT BLACKMORE...JASPER
AND PATTONSVILLE.

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 3685 8248 3659 8263 3662 8283 3676 8311
      3678 8313 3680 8310 3683 8310 3685 8307
      3685 8301 3689 8288 3694 8286
TIME...MOT...LOC 2100Z 300DEG 31KT 3675 8297 

$$

DH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 2:44 PM EDTSevere Thunderstorm WarningMRXRussell, Scott, Wise, City of Norton46 min
Jul 27, 5:25 PM EDTTornado WarningMRXScott, Washington, City of Bristol50 min
Jul 27, 5:50 PM EDTSevere Thunderstorm WarningMRXRussell, Scott, Washington, Wise, City of Bristol, City of Norton55 min
Jul 27, 6:39 PM EDTTornado WarningMRXWashington, City of Bristol51 min
Jul 27, 7:12 PM EDTSevere Thunderstorm WarningMRXWashington33 min

Nearby

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