Alert archive / Virginia / Tornado Warnings in 2012

Tornado Warning 28, NWS Baltimore/Washington

July 24, 2012Rockingham County, Shenandoah County, Virginia; Hardy County, West Virginia

NWS Baltimore/Washington issued this tornado warning at Jul 24, 2012, 1:08 PM EDT for Rockingham County, Shenandoah County, Virginia; Hardy County, West Virginia. It was in force for 37 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
Jul 24, 2012, 1:08 PM EDT (17:08 UTC)
Expired
Jul 24, 2012, 1:45 PM EDT
In force
37 min
Issued by
NWS Baltimore/Washington
Area
Storm-based polygon

Counties Rockingham County, VA, Shenandoah County, VA, Hardy County, WV

The radar

The Sterling radar (KLWX), 106 km from the middle of the area, began a volume at 17:12 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 24, 1:16 PM EDTTSTM WND DMGLost River, WVMULTIPLE TREES DOWN ALONG MILL GAP-THORNE BOTTOM RD ONE HALF MILE EAST OF RT 239.
Jul 24, 1:18 PM EDTTSTM WND DMGLost City, WVTREE TOPS TWISTED AND RIPPED OFF AND LANDED IN DRIVEWAYS ALONG BACK ROAD DRIVE OFF RTE. 259 IN THE LOWER COVE ROAD AREA.

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 24, 1:08 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 5.1 hours before the alert went out and 113 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, Washington/Dulle, VA at 12:00Z on 2012-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1981 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, Washington/Dulle, VA at 12:00Z on 2012-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 210 square meters per square second.19395878Sfc1 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
1981 J/kg
Mixed-layer CIN
-91 J/kg
Mixed-layer LCL
1090 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
210 m²/s²
0-3 km storm-relative helicity
209 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

701 
WFUS51 KLWX 241708
TORLWX
VAC165-171-WVC031-241745-
/O.NEW.KLWX.TO.W.0028.120724T1708Z-120724T1745Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
108 PM EDT TUE JUL 24 2012

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN ROCKINGHAM COUNTY IN WESTERN VIRGINIA...
  SOUTHWESTERN SHENANDOAH COUNTY IN NORTHWEST VIRGINIA...
  CENTRAL HARDY COUNTY IN EASTERN WEST VIRGINIA...

* UNTIL 145 PM EDT

* AT 107 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS 7 MILES NORTH OF MATHIAS...OR 8 MILES SOUTHEAST OF
  MOOREFIELD...AND WAS MOVING SOUTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MATHIAS...
  MOUNT JACKSON...
  TIMBERVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORNADOES IN HILLY OR MOUNTAINOUS TERRAIN ARE ESPECIALLY DANGEROUS
BECAUSE YOU MAY NOT BE ABLE TO SEE OR HEAR THE TORNADO APPROACH. TAKE
COVER NOW.

&&

LAT...LON 3879 7848 3858 7880 3898 7892 3902 7883
TIME...MOT...LOC 1708Z 329DEG 30KT 3897 7886

$$
3 follow-up statements
761 
WWUS51 KLWX 241723
SVSLWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 PM EDT TUE JUL 24 2012

VAC165-171-WVC031-241745-
/O.CON.KLWX.TO.W.0028.000000T0000Z-120724T1745Z/
ROCKINGHAM VA-SHENANDOAH VA-HARDY WV-
123 PM EDT TUE JUL 24 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM EDT FOR HARDY...
SHENANDOAH AND ROCKINGHAM COUNTIES...

AT 120 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR MATHIAS...OR 15 MILES SOUTHEAST OF MOOREFIELD...AND
WAS MOVING SOUTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  BASYE...
  ORKNEY SPRINGS...
  EDINBURG...
  MOUNT JACKSON...
  FORESTVILLE...
  SHENANDOAH CAVERNS...
  QUICKSBURG...
  TIMBERVILLE...
  BROADWAY...

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

TORNADOES IN HILLY OR MOUNTAINOUS TERRAIN ARE ESPECIALLY DANGEROUS
BECAUSE YOU MAY NOT BE ABLE TO SEE OR HEAR THE TORNADO APPROACH. TAKE
COVER NOW.

&&

LAT...LON 3895 7889 3898 7882 3879 7848 3858 7880
TIME...MOT...LOC 1723Z 329DEG 30KT 3886 7878

$$
572 
WWUS51 KLWX 241736
SVSLWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
136 PM EDT TUE JUL 24 2012

WVC031-241747-
/O.CAN.KLWX.TO.W.0028.000000T0000Z-120724T1745Z/
HARDY WV-
136 PM EDT TUE JUL 24 2012

...THE TORNADO WARNING IS CANCELLED FOR HARDY COUNTY...

THE THUNDERSTORM THAT PROMPTED THE WARNING HAS EXITED THE WARNED
AREA. THUS THE TORNADO WARNING HAS BEEN CANCELLED.

LAT...LON 3883 7881 3889 7872 3879 7848 3858 7880
TIME...MOT...LOC 1737Z 329DEG 30KT 3876 7870

$$

VAC165-171-241745-
/O.CON.KLWX.TO.W.0028.000000T0000Z-120724T1745Z/
ROCKINGHAM VA-SHENANDOAH VA-
136 PM EDT TUE JUL 24 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM EDT FOR
SHENANDOAH AND ROCKINGHAM COUNTIES...

AT 133 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 5 MILES NORTHWEST OF MOUNT JACKSON...OR 23 MILES EAST OF
ROUGH RUN...AND WAS MOVING SOUTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  TIMBERVILLE...
  BROADWAY...

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

TORNADOES IN HILLY OR MOUNTAINOUS TERRAIN ARE ESPECIALLY DANGEROUS
BECAUSE YOU MAY NOT BE ABLE TO SEE OR HEAR THE TORNADO APPROACH. TAKE
COVER NOW.

&&

LAT...LON 3883 7881 3889 7872 3879 7848 3858 7880
TIME...MOT...LOC 1737Z 329DEG 30KT 3876 7870

$$
765 
WWUS51 KLWX 241744
SVSLWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
144 PM EDT TUE JUL 24 2012

VAC165-171-241755-
/O.EXP.KLWX.TO.W.0028.000000T0000Z-120724T1745Z/
ROCKINGHAM VA-SHENANDOAH VA-
144 PM EDT TUE JUL 24 2012

...THE TORNADO WARNING HAS EXPIRED FOR SHENANDOAH AND ROCKINGHAM
COUNTIES...

THE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED. THUS THE
TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 3883 7881 3889 7872 3879 7848 3858 7880
TIME...MOT...LOC 1745Z 329DEG 30KT 3870 7866

$$

The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 24, 4:13 AM EDTSmall Craft AdvisoryLWX30 hr
Jul 24, 1:01 PM EDTSevere Thunderstorm WarningLWXRockingham, Shenandoah44 min
Jul 24, 1:52 PM EDTSpecial Weather StatementLWXPage38 min
Jul 24, 2:16 PM EDTSpecial Weather StatementLWXRockingham, City of Harrisonburg29 min
Jul 24, 2:27 PM EDTSevere Thunderstorm WarningLWXAlbemarle, Greene, Madison, Orange, Page, Rockingham and 2 more48 min
Jul 24, 3:10 PM EDTSpecial Weather StatementLWXOrange35 min
Jul 24, 3:15 PM EDTSpecial Weather StatementLWXCity of Charlottesville30 min
Jul 24, 3:36 PM EDTSpecial Weather StatementLWXCity of Waynesboro24 min
Jul 24, 3:46 PM EDTSpecial Weather StatementLWXSpotsylvania44 min
Jul 24, 4:35 PM EDTSpecial Weather StatementLWXRappahannock, Warren25 min
Jul 24, 4:40 PM EDTSpecial Marine WarningLWX95 min
Jul 24, 5:30 PM EDTSpecial Weather StatementLWXCulpeper, Madison, Orange30 min
Jul 24, 9:51 AM EDTSpecial Weather StatementLWXMorgan24 min
Jul 24, 10:20 AM EDTSpecial Weather StatementLWXBerkeley, Jefferson, Morgan25 min
Jul 24, 11:38 AM EDTSevere Thunderstorm WarningLWXGrant, Mineral52 min
Jul 24, 11:55 AM EDTTornado WarningLWXGrant, Mineral35 min
Jul 24, 12:20 PM EDTSevere Thunderstorm WarningLWXGrant, Hampshire, Hardy, Mineral40 min
Jul 24, 4:01 PM EDTSpecial Weather StatementLWXHampshire29 min

Nearby

Tornado Warnings in Virginia, 2012Tornado Warnings in West Virginia, 2012Every tornado warning in 2012Tornadoes in 2012

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.