Alert archive / Virginia / Tornado Warnings in 2011

Tornado Warning 92, NWS Morristown, TN

May 24, 2011Lee County, Scott County, Virginia

NWS Morristown, TN issued this tornado warning at May 24, 2011, 5:35 PM EDT for Lee County, Scott County, Virginia. It was in force for 40 min. 2 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: May 24, 2011, 5:35 PM EDT (21:35 UTC)
Expired: May 24, 2011, 6:15 PM EDT
In force: 40 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon

Counties Lee County, VA, Scott County, VA

The radar

The Knoxville radar (KMRX), 71 km from the middle of the area, began a volume at 21:35 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

Time	Report	Where	Remark
May 24, 5:42 PM EDT	TSTM WND DMG	Jonesville, VA	TREE DOWN ON FLANARY BRIDGE ROAD.
May 24, 5:45 PM EDT	TSTM WND DMG	5 Sw Pennington Gap, VA	ONE TREE DOWN.

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
May 24, 1:57 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.6 hours before the alert went out and 285 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: 451 J/kg
Mixed-layer CIN: -124 J/kg
Mixed-layer LCL: 1350 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 99 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.

352 
WFUS54 KMRX 242135
TORMRX
VAC105-169-242215-
/O.NEW.KMRX.TO.W.0092.110524T2135Z-110524T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
535 PM EDT TUE MAY 24 2011

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

* TORNADO WARNING FOR...
  LEE COUNTY IN SOUTHWEST VIRGINIA...
  SCOTT COUNTY IN SOUTHWEST VIRGINIA...

* UNTIL 615 PM EDT

* AT 530 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR JONESVILLE.
  DOPPLER RADAR SHOWED THIS TORNADO MOVING EAST AT 35 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
  PENNINGTON GAP AROUND 545 PM EDT.

OTHER LOCATIONS AFFECTED BY THIS TORNADIC THUNDERSTORM INCLUDE 
JONESVILLE...PATTONSVILLE...DRYDEN...JASPER AND DUFFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
TUESDAY EVENING FOR EAST TENNESSEE AND SOUTHWEST VIRGINIA.

&&

LAT...LON 3663 8275 3667 8319 3675 8319 3675 8315
      3676 8313 3680 8275
TIME...MOT...LOC 2135Z 269DEG 31KT 3670 8312

$$

DGS

2 follow-up statements

833 
WWUS54 KMRX 242148
SVSMRX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
548 PM EDT TUE MAY 24 2011

VAC105-169-242215-
/O.CON.KMRX.TO.W.0092.000000T0000Z-110524T2215Z/
SCOTT VA-LEE VA-
548 PM EDT TUE MAY 24 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR LEE AND
SCOTT COUNTIES...

AT 544 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR PENNINGTON GAP...
OR NEAR JONESVILLE...MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF LEE AND
  SCOTT COUNTIES...INCLUDING THE FOLLOWING LOCATIONS... JASPER AND
  DUFFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
TUESDAY EVENING FOR EAST TENNESSEE AND SOUTHWEST VIRGINIA.

&&

LAT...LON 3663 8275 3667 8319 3675 8319 3675 8315
      3676 8313 3680 8275
TIME...MOT...LOC 2148Z 268DEG 31KT 3670 8298

$$

DGS

179 
WWUS54 KMRX 242207
SVSMRX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
607 PM EDT TUE MAY 24 2011

VAC105-169-242217-
/O.EXP.KMRX.TO.W.0092.000000T0000Z-110524T2215Z/
SCOTT VA-LEE VA-
607 PM EDT TUE MAY 24 2011

...THE TORNADO WARNING FOR LEE AND SCOTT COUNTIES WILL EXPIRE AT 615
PM EDT...

THE STORM THAT PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LEVELS. THEREFORE...THE WARNING HAS BEEN ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
TUESDAY EVENING FOR EAST TENNESSEE AND SOUTHWEST VIRGINIA.

LAT...LON 3663 8275 3667 8319 3675 8319 3675 8315
      3676 8313 3680 8275
TIME...MOT...LOC 2207Z 268DEG 31KT 3670 8278

$$
DGS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 24, 10:00 AM EDT	Severe Thunderstorm Warning	MRX	Lee, Scott, Wise, City of Norton	45 min
May 24, 10:33 AM EDT	Severe Thunderstorm Warning	MRX	Russell, Scott, Washington, City of Bristol	57 min
May 24, 11:29 AM EDT	Severe Thunderstorm Warning	MRX	Washington	32 min
May 24, 3:28 PM EDT	Severe Thunderstorm Warning	MRX	Wise, City of Norton	47 min
May 24, 3:53 PM EDT	Tornado Warning	MRX	Lee, Scott, Wise	27 min
May 24, 4:19 PM EDT	Severe Thunderstorm Warning	MRX	Russell, Scott, Wise	19 min
May 24, 4:28 PM EDT	Areal Flood Advisory	MRX	Lee, Russell, Scott, Wise, City of Norton	6 hr
May 24, 4:42 PM EDT	Severe Thunderstorm Warning	MRX	Lee, Wise	48 min
May 24, 4:47 PM EDT	Tornado Warning	MRX	Russell, Scott	43 min
May 24, 5:12 PM EDT	Severe Thunderstorm Warning	MRX	Lee	63 min
May 24, 5:14 PM EDT	Tornado Warning	MRX	Russell, Washington	31 min
May 24, 5:14 PM EDT	Tornado Warning	MRX	Scott, Wise	34 min
May 24, 5:22 PM EDT	Severe Thunderstorm Warning	MRX	Lee, Scott	53 min
May 24, 5:44 PM EDT	Severe Thunderstorm Warning	MRX	Russell, Scott, Wise	31 min
May 24, 5:59 PM EDT	Severe Thunderstorm Warning	MRX	Lee, Scott	61 min
May 24, 6:19 PM EDT	Severe Thunderstorm Warning	MRX	Russell, Scott, Washington, City of Bristol	27 min

Nearby

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