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Wind Advisory Cancelled; In Mountains Wind Chill Advisory Until 10AM Sunday

[ 0 ] January 2, 2010 |

Nelson County, Virginia
WIND ADVISORY – !!CANCELLED!!
SUNDAY

URGENT – WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
318 PM EST SAT JAN 2 2010

DISTRICT OF COLUMBIA-WASHINGTON-FREDERICK MD-CARROLL-
NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-
PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST. MARYS-CALVERT-
EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-HIGHLAND-
AUGUSTA-ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-
NELSON-ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-FAUQUIER-LOUDOUN-
CULPEPER-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-KING GEORGE-HAMPSHIRE-
MORGAN-BERKELEY-JEFFERSON-PENDLETON-HARDY-WESTERN GRANT-
EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL-
INCLUDING THE CITIES OF…WASHINGTON…HAGERSTOWN…FREDERICK…
WESTMINSTER…GAITHERSBURG…COLUMBIA…BALTIMORE…ANNAPOLIS…
WALDORF…ST MARYS CITY…FROSTBURG…CUMBERLAND…STAUNTON…
WAYNESBORO…HARRISONBURG…WINCHESTER…FRONT ROYAL…
CHARLOTTESVILLE…LEESBURG…CULPEPER…MANASSAS…
MANASSAS PARK…FAIRFAX…ALEXANDRIA…FALLS CHURCH…
MARTINSBURG…CHARLES TOWN…BAYARD…PETERSBURG…EMORYVILLE…
HARTMANSVILLE…KEYSER…FORT ASHBY
318 PM EST SAT JAN 2 2010

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 4 AM EST SUNDAY.

REPEATED SURGES OF ARCTIC ORIGIN AIR WILL MOVE INTO THE MID-
ATLANTIC REGION INTO THE OVERNIGHT HOURS. STRONG WINDS THROUGH
THE LOWER PORTIONS OF THE ATMOSPHERE WILL BE TRANSPORTED TO THE
SURFACE AS A TIGHT PRESSURE GRADIENT AND LOW-LEVEL JET WILL BE
PRESENT. WIND GUSTS OF 45 TO 50 MPH ARE EXPECTED FROM LATE THIS
MORNING THROUGH LATE TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A WIND ADVISORY MEANS THAT WIND GUSTS IN EXCESS OF 45 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT…
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

Additional Wind Chill Advisory that affects areas along and west of the BRP.
URGENT – WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
941 PM EST SAT JAN 2 2010

MDZ502-VAZ025-026-WVZ050-055-502-504-031045-
/O.CON.KLWX.WC.Y.0001.000000T0000Z-100103T1500Z/
CENTRAL AND EASTERN ALLEGANY-AUGUSTA-ROCKINGHAM-HAMPSHIRE-HARDY-
EASTERN GRANT-EASTERN MINERAL-
INCLUDING THE CITIES OF…CUMBERLAND…STAUNTON…WAYNESBORO…
HARRISONBURG…PETERSBURG…KEYSER…FORT ASHBY
941 PM EST SAT JAN 2 2010

…WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST SUNDAY…

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST SUNDAY.

* WIND CHILL VALUES…10 BELOW TO 5 BELOW. FOR ELEVATIONS ABOVE
2500 FEET…WIND CHILLS COULD REACH 10 TO 15 BELOW.

* TEMPERATURES…GENERALLY 10 TO 15 ABOVE…BUT MAY DROP INTO THE
SINGLE DIGITS AT HIGHER ELEVATIONS.

* WINDS…WEST-NORTHWEST 15 TO 30 MPH. GUSTS OF 30 TO 40 MPH IN
THE CENTRAL SHENANDOAH VALLEY…45 TO 50 MPH IN THE POTOMAC
HIGHLANDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.

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