Alert archive / Virginia / High Wind Warnings in 2012

High Wind Warning 3, NWS Baltimore/Washington

December 22, 201222 counties in Virginia; 8 counties in Maryland; 8 counties in West Virginia

NWS Baltimore/Washington issued this high wind warning at Dec 22, 2012, 2:42 AM EST for 22 counties in Virginia; 8 counties in Maryland; 8 counties in West Virginia. It was in force for 14 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 22, 2012, 2:42 AM EST (07:42 UTC)
Expired
Dec 22, 2012, 4:37 PM EST
In force
14 hr
Issued by
NWS Baltimore/Washington
All 38 counties

Allegany County, MD, Anne Arundel County, MD, Baltimore County, MD, Carroll County, MD, City of Baltimore, MD, Frederick County, MD, Prince George's County, MD, Washington County, MD, Arlington County, VA, City of Alexandria, VA, City of Charlottesville, VA, City of Fairfax, VA, City of Falls Church, VA, City of Harrisonburg, VA, City of Staunton, VA, City of Waynesboro, VA, City of Winchester, VA, Clarke County, VA, Fairfax County, VA, Fauquier County, VA, Frederick County, VA, Greene County, VA, Highland County, VA, Madison County, VA, Nelson County, VA, Page County, VA, Rappahannock County, VA, Rockingham County, VA, Shenandoah County, VA, Warren County, VA, Berkeley County, WV, Grant County, WV, Hampshire County, WV, Hardy County, WV, Jefferson County, WV, Mineral County, WV, Morgan County, WV, Pendleton County, WV

The radar

The Sterling radar (KLWX), 53 km from the middle of the area, began a volume at 07:42 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 nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 7.7 hours before the alert went out and 60 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 00:00Z on 2012-12-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2012-12-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1548 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
151 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.

715 
WWUS71 KLWX 220742
NPWLWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
242 AM EST SAT DEC 22 2012

VAZ025>027-029-030-036>040-503-504-WVZ055-501-502-505-506-221545-
/O.UPG.KLWX.WI.Y.0011.000000T0000Z-121222T2200Z/
/O.NEW.KLWX.HW.W.0003.121222T0742Z-121222T2200Z/
AUGUSTA-ROCKINGHAM-SHENANDOAH-PAGE-WARREN-NELSON-ALBEMARLE-GREENE-
MADISON-RAPPAHANNOCK-WESTERN HIGHLAND-EASTERN HIGHLAND-HARDY-
WESTERN GRANT-EASTERN GRANT-WESTERN PENDLETON-EASTERN PENDLETON-
INCLUDING THE CITIES OF...STAUNTON...WAYNESBORO...HARRISONBURG...
FRONT ROYAL...CHARLOTTESVILLE...WASHINGTON...HIGHTOWN...
MONTEREY...MOOREFIELD...BAYARD...MOUNT STORM...PETERSBURG...
CIRCLEVILLE...FRANKLIN
242 AM EST SAT DEC 22 2012

...HIGH WIND WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS
ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 5 PM EST
THIS AFTERNOON. THE WIND ADVISORY IS NO LONGER IN EFFECT.

* TIMING...THROUGH THIS AFTERNOON...MAINLY FOR ELEVATIONS ABOVE
  1500 FEET.

* WINDS...NORTHWEST 25 TO 40 MPH WITH GUSTS UP TO 60 MPH.

* IMPACTS...DOWNED TREES AND POWERLINES WILL BE POSSIBLE FROM 
  THE HIGHER WIND GUSTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

MDZ003-501-502-VAZ028-031-WVZ050>053-503-504-221545-
/O.UPG.KLWX.WI.Y.0011.000000T0000Z-121222T2200Z/
/O.NEW.KLWX.HW.W.0003.121222T0742Z-121222T2200Z/
WASHINGTON-EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-
FREDERICK VA-CLARKE-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-
WESTERN MINERAL-EASTERN MINERAL-
INCLUDING THE CITIES OF...HAGERSTOWN...FROSTBURG...CUMBERLAND...
WINCHESTER...MARTINSBURG...CHARLES TOWN...ELK GARDEN...KEYSER...
FORT ASHBY
242 AM EST SAT DEC 22 2012

...HIGH WIND WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS
ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 5 PM EST
THIS AFTERNOON. THE WIND ADVISORY IS NO LONGER IN EFFECT.

* TIMING...THROUGH THIS AFTERNOON. THE STRONGEST WINDS ARE
  EXPECTED BETWEEN 9 AM AND 4 PM. 

* WINDS...NORTHWEST 25 TO 40 MPH WITH GUSTS UP TO 60 MPH.

* IMPACTS...DOWNED TREES AND POWERLINES WILL BE POSSIBLE FROM 
  THE HIGHER WIND GUSTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

VAZ501-221545-
/O.UPG.KLWX.WI.Y.0011.121222T1100Z-121222T2200Z/
/O.NEW.KLWX.HW.W.0003.121222T0742Z-121222T2200Z/
NORTHERN FAUQUIER-
INCLUDING THE CITY OF...WARRENTON
242 AM EST SAT DEC 22 2012

...HIGH WIND WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS
ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 5 PM EST
THIS AFTERNOON. THE WIND ADVISORY IS NO LONGER IN EFFECT.

* TIMING...THROUGH THIS AFTERNOON...MAINLY FOR ELEVATIONS ABOVE
  1500 FEET.

* WINDS...NORTHWEST 25 TO 40 MPH WITH GUSTS UP TO 60 MPH.

* IMPACTS...DOWNED TREES AND POWERLINES WILL BE POSSIBLE FROM THE
  HIGHER WIND GUSTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WIND GUSTS OF 45 TO 50 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

DCZ001-MDZ004>007-009>011-013-014-VAZ042-053-054-221545-
/O.UPG.KLWX.WI.Y.0011.121222T1100Z-121222T2200Z/
/O.NEW.KLWX.HW.W.0003.121222T0742Z-121222T2200Z/
DISTRICT OF COLUMBIA-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-
HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-PRINCE GEORGES-
ANNE ARUNDEL-LOUDOUN-FAIRFAX-ARLINGTON/FALLS CHURCH/ALEXANDRIA-
INCLUDING THE CITIES OF...WASHINGTON...FREDERICK...WESTMINSTER...
GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS...LEESBURG...
FAIRFAX...ALEXANDRIA...FALLS CHURCH
242 AM EST SAT DEC 22 2012

...HIGH WIND WARNING IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS
ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 5 PM EST
THIS AFTERNOON. THE WIND ADVISORY IS NO LONGER IN EFFECT.

* TIMING...THROUGH THIS AFTERNOON. THE STRONGEST WINDS ARE
  EXPECTED BETWEEN 9 AM AND 4 PM. 

* WINDS...NORTHWEST 25 TO 40 MPH WITH GUSTS UP TO 60 MPH.

* IMPACTS...DOWNED TREES AND POWERLINES WILL BE POSSIBLE FROM THE
  HIGHER WIND GUSTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WIND GUSTS OF 45 TO 50 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

MDZ016>018-VAZ050>052-055>057-502-221545-
/O.EXT.KLWX.WI.Y.0011.121222T0742Z-121222T2200Z/
CHARLES-ST. MARYS-CALVERT-ORANGE-CULPEPER-
PRINCE WILLIAM/MANASSAS/MANASSAS PARK-STAFFORD-SPOTSYLVANIA-
KING GEORGE-SOUTHERN FAUQUIER-
INCLUDING THE CITIES OF...WALDORF...ST MARYS CITY...CULPEPER...
MANASSAS...MANASSAS PARK...FREDERICKSBURG
242 AM EST SAT DEC 22 2012

...WIND ADVISORY NOW IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...

* TIMING...THROUGH THIS AFTERNOON. THE STRONGEST WINDS WILL BE
  BETWEEN 9 AM AND 4 PM. 

* WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* IMPACTS...DOWNED TREES AND POWERLINES WILL BE POSSIBLE FROM 
  THE HIGHER WIND GUSTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WIND GUSTS OF 45 TO 50 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES.

&&

$$
3 follow-up statements
187 
WWUS71 KLWX 221601
NPWLWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1101 AM EST SAT DEC 22 2012

VAZ025>027-029-030-036>040-501-503-504-WVZ055-501-502-505-506-
222200-
/O.CON.KLWX.HW.W.0003.000000T0000Z-121222T2200Z/
AUGUSTA-ROCKINGHAM-SHENANDOAH-PAGE-WARREN-NELSON-ALBEMARLE-GREENE-
MADISON-RAPPAHANNOCK-NORTHERN FAUQUIER-WESTERN HIGHLAND-
EASTERN HIGHLAND-HARDY-WESTERN GRANT-EASTERN GRANT-
WESTERN PENDLETON-EASTERN PENDLETON-
INCLUDING THE CITIES OF...STAUNTON...WAYNESBORO...HARRISONBURG...
FRONT ROYAL...CHARLOTTESVILLE...WASHINGTON...WARRENTON...
HIGHTOWN...MONTEREY...MOOREFIELD...BAYARD...MOUNT STORM...
PETERSBURG...CIRCLEVILLE...FRANKLIN
1101 AM EST SAT DEC 22 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...

* TIMING...THROUGH THIS AFTERNOON...MAINLY FOR ELEVATIONS ABOVE 
  1500 FEET.

* WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH.

* IMPACTS...DOWNED TREES AND POWERLINES WILL BE POSSIBLE FROM 
  THE HIGHER WIND GUSTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

DCZ001-MDZ003>007-009>011-013-014-501-502-VAZ028-031-042-053-054-
WVZ050>053-503-504-222200-
/O.CON.KLWX.HW.W.0003.000000T0000Z-121222T2200Z/
DISTRICT OF COLUMBIA-WASHINGTON-FREDERICK MD-CARROLL-
NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-
PRINCE GEORGES-ANNE ARUNDEL-EXTREME WESTERN ALLEGANY-
CENTRAL AND EASTERN ALLEGANY-FREDERICK VA-CLARKE-LOUDOUN-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-HAMPSHIRE-MORGAN-BERKELEY-
JEFFERSON-WESTERN MINERAL-EASTERN MINERAL-
INCLUDING THE CITIES OF...WASHINGTON...HAGERSTOWN...FREDERICK...
WESTMINSTER...GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS...
FROSTBURG...CUMBERLAND...WINCHESTER...LEESBURG...FAIRFAX...
ALEXANDRIA...FALLS CHURCH...MARTINSBURG...CHARLES TOWN...
ELK GARDEN...KEYSER...FORT ASHBY
1101 AM EST SAT DEC 22 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...

* TIMING...THROUGH THIS AFTERNOON. WINDS ARE EXPECTED TO BEGIN TO
  DIMINISH AFTER 4 PM.

* WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH.

* IMPACTS...DOWNED TREES AND POWERLINES WILL BE POSSIBLE FROM 
  THE HIGHER WIND GUSTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

MDZ016>018-VAZ050>052-055>057-502-222200-
/O.CON.KLWX.WI.Y.0011.000000T0000Z-121222T2200Z/
CHARLES-ST. MARYS-CALVERT-ORANGE-CULPEPER-
PRINCE WILLIAM/MANASSAS/MANASSAS PARK-STAFFORD-SPOTSYLVANIA-
KING GEORGE-SOUTHERN FAUQUIER-
INCLUDING THE CITIES OF...WALDORF...ST MARYS CITY...CULPEPER...
MANASSAS...MANASSAS PARK...FREDERICKSBURG
1101 AM EST SAT DEC 22 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...

* TIMING...THROUGH THIS AFTERNOON. WINDS ARE EXPECTED TO BEGIN TO
  DIMINISH AFTER 4 PM.

* WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* IMPACTS...DOWNED TREES AND POWERLINES WILL BE POSSIBLE FROM 
  THE HIGHER WIND GUSTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WIND GUSTS OF 45 TO 50 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES.

&&

$$
973 
WWUS71 KLWX 221716
NPWLWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1216 PM EST SAT DEC 22 2012

DCZ001-MDZ004>007-009>011-013-014-VAZ036>040-042-053-054-501-
222200-
/O.CAN.KLWX.HW.W.0003.000000T0000Z-121222T2200Z/
/O.EXA.KLWX.WI.Y.0011.000000T0000Z-121222T2200Z/
DISTRICT OF COLUMBIA-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-
HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-PRINCE GEORGES-
ANNE ARUNDEL-NELSON-ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-LOUDOUN-
FAIRFAX-ARLINGTON/FALLS CHURCH/ALEXANDRIA-NORTHERN FAUQUIER-
INCLUDING THE CITIES OF...WASHINGTON...FREDERICK...WESTMINSTER...
GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS...
CHARLOTTESVILLE...LEESBURG...FAIRFAX...ALEXANDRIA...
FALLS CHURCH...WARRENTON
1216 PM EST SAT DEC 22 2012

...WIND ADVISORY IN EFFECT UNTIL 5 PM EST THIS AFTERNOON...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS
ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON. THE HIGH WIND WARNING HAS BEEN CANCELLED.

* TIMING...THROUGH THIS AFTERNOON. WINDS ARE EXPECTED TO BEGIN 
  TO DIMINISH AFTER 4 PM.

* WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS UP TO 45 MPH.

* IMPACTS...DOWNED TREES AND POWERLINES WILL BE POSSIBLE FROM 
  THE HIGHER WIND GUSTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WIND GUSTS OF 45 TO 50 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES.


&&

$$

VAZ025>027-029-030-503-504-WVZ055-501-502-505-506-222200-
/O.CON.KLWX.HW.W.0003.000000T0000Z-121222T2200Z/
AUGUSTA-ROCKINGHAM-SHENANDOAH-PAGE-WARREN-WESTERN HIGHLAND-
EASTERN HIGHLAND-HARDY-WESTERN GRANT-EASTERN GRANT-
WESTERN PENDLETON-EASTERN PENDLETON-
INCLUDING THE CITIES OF...STAUNTON...WAYNESBORO...HARRISONBURG...
FRONT ROYAL...HIGHTOWN...MONTEREY...MOOREFIELD...BAYARD...
MOUNT STORM...PETERSBURG...CIRCLEVILLE...FRANKLIN
1216 PM EST SAT DEC 22 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...

* TIMING...THROUGH THIS AFTERNOON...MAINLY FOR ELEVATIONS ABOVE 
  1500 FEET.

* WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH.

* IMPACTS...DOWNED TREES AND POWERLINES WILL BE POSSIBLE FROM 
  THE HIGHER WIND GUSTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

MDZ003-501-502-VAZ028-031-WVZ050>053-503-504-222200-
/O.CON.KLWX.HW.W.0003.000000T0000Z-121222T2200Z/
WASHINGTON-EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-
FREDERICK VA-CLARKE-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-
WESTERN MINERAL-EASTERN MINERAL-
INCLUDING THE CITIES OF...HAGERSTOWN...FROSTBURG...CUMBERLAND...
WINCHESTER...MARTINSBURG...CHARLES TOWN...ELK GARDEN...KEYSER...
FORT ASHBY
1216 PM EST SAT DEC 22 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...

* TIMING...THROUGH THIS AFTERNOON. WINDS ARE EXPECTED TO BEGIN 
  TO DIMINISH AFTER 4 PM.

* WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH.

* IMPACTS...DOWNED TREES AND POWERLINES WILL BE POSSIBLE FROM 
  THE HIGHER WIND GUSTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

MDZ016>018-VAZ050>052-055>057-502-222200-
/O.CON.KLWX.WI.Y.0011.000000T0000Z-121222T2200Z/
CHARLES-ST. MARYS-CALVERT-ORANGE-CULPEPER-
PRINCE WILLIAM/MANASSAS/MANASSAS PARK-STAFFORD-SPOTSYLVANIA-
KING GEORGE-SOUTHERN FAUQUIER-
INCLUDING THE CITIES OF...WALDORF...ST MARYS CITY...CULPEPER...
MANASSAS...MANASSAS PARK...FREDERICKSBURG
1216 PM EST SAT DEC 22 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...

* TIMING...THROUGH THIS AFTERNOON. WINDS ARE EXPECTED TO BEGIN 
  TO DIMINISH AFTER 4 PM.

* WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* IMPACTS...DOWNED TREES AND POWERLINES WILL BE POSSIBLE FROM 
  THE HIGHER WIND GUSTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WIND GUSTS OF 45 TO 50 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES.

&&

$$
048 
WWUS71 KLWX 222137
NPWLWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
437 PM EST SAT DEC 22 2012


MDZ003-501-502-VAZ025>031-503-504-WVZ050>053-055-501>506-222245-
/O.CAN.KLWX.HW.W.0003.000000T0000Z-121222T2200Z/
WASHINGTON-EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-
AUGUSTA-ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-
WESTERN HIGHLAND-EASTERN HIGHLAND-HAMPSHIRE-MORGAN-BERKELEY-
JEFFERSON-HARDY-WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-
EASTERN MINERAL-WESTERN PENDLETON-EASTERN PENDLETON-
INCLUDING THE CITIES OF...HAGERSTOWN...FROSTBURG...CUMBERLAND...
STAUNTON...WAYNESBORO...HARRISONBURG...WINCHESTER...FRONT ROYAL...
HIGHTOWN...MONTEREY...MARTINSBURG...CHARLES TOWN...MOOREFIELD...
BAYARD...MOUNT STORM...PETERSBURG...ELK GARDEN...KEYSER...
FORT ASHBY...CIRCLEVILLE...FRANKLIN
437 PM EST SAT DEC 22 2012

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS
CANCELLED THE HIGH WIND WARNING.

NORTHWEST WINDS WILL CONTINUE TO GUST UP TO 40 MPH BEFORE TAPERING
OFF THROUGH THE EARLY EVENING HOURS.

$$

DCZ001-MDZ004>007-009>011-013-014-016>018-VAZ036>040-042-050>057-
501-502-222245-
/O.CAN.KLWX.WI.Y.0011.000000T0000Z-121222T2200Z/
DISTRICT OF COLUMBIA-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-
HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-PRINCE GEORGES-
ANNE ARUNDEL-CHARLES-ST. MARYS-CALVERT-NELSON-ALBEMARLE-GREENE-
MADISON-RAPPAHANNOCK-LOUDOUN-ORANGE-CULPEPER-
PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA-
KING GEORGE-NORTHERN FAUQUIER-SOUTHERN FAUQUIER-
INCLUDING THE CITIES OF...WASHINGTON...FREDERICK...WESTMINSTER...
GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS...WALDORF...
ST MARYS CITY...CHARLOTTESVILLE...LEESBURG...CULPEPER...
MANASSAS...MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH...
FREDERICKSBURG...WARRENTON
437 PM EST SAT DEC 22 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS
CANCELLED THE WIND ADVISORY.

NORTHWEST WINDS WILL CONTINUE TO GUST UP TO 40 MPH BEFORE TAPERING
OFF THROUGH THE EARLY EVENING HOURS.

$$

JACKSON

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 22, 2:05 AM ESTStorm WarningLWX10 hr
Dec 22, 3:39 PM ESTSmall Craft AdvisoryLWX13 hr

Nearby

High Wind Warnings in Virginia, 2012High Wind Warnings in Maryland, 2012High Wind Warnings in West Virginia, 2012Every high wind warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.