598
WWUS71 KLWX 210733
NPWLWX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
233 AM EST TUE JAN 21 2025
MDZ001-501-VAZ503-504-507-508-WVZ501-503-505-506-211900-
/O.CON.KLWX.EC.W.0001.000000T0000Z-250123T1500Z/
GARRETT-EXTREME WESTERN ALLEGANY-WESTERN HIGHLAND-
EASTERN HIGHLAND-NORTHERN VIRGINIA BLUE RIDGE-
CENTRAL VIRGINIA BLUE RIDGE-WESTERN GRANT-WESTERN MINERAL-
WESTERN PENDLETON-EASTERN PENDLETON-
INCLUDING THE CITIES OF MOUNTAIN LAKE PARK, OAKLAND, GRANTSVILLE,
FROSTBURG, HIGHTOWN, MONTEREY, BIG MEADOWS, WINTERGREEN, BAYARD,
MOUNT STORM, ELK GARDEN, RIVERTON, BRANDYWINE, FRANKLIN,
OAK FLAT, RUDDLE, AND SUGAR GROVE
233 AM EST TUE JAN 21 2025
...EXTREME COLD WARNING REMAINS IN EFFECT UNTIL 7 AM EST
THURSDAY...
* WHAT...AN EXTENDED PERIOD OF TEMPERATURES UP TO 30 DEGREES
BELOW NORMAL. DANGEROUSLY COLD WIND CHILLS AS LOW AS 20 TO 30
DEGREES BELOW ZERO EXPECTED.
* WHERE...IN MARYLAND, GARRETT AND EXTREME WESTERN ALLEGANY
COUNTIES. IN VIRGINIA, WESTERN HIGHLAND AND EASTERN HIGHLAND
COUNTIES, AND NORTHERN VIRGINIA BLUE RIDGE AND CENTRAL
VIRGINIA BLUE RIDGE. IN WEST VIRGINIA, WESTERN GRANT, WESTERN
MINERAL, WESTERN PENDLETON AND EASTERN PENDLETON COUNTIES.
* WHEN...UNTIL 10 AM EST THURSDAY.
* IMPACTS...THE DANGEROUSLY COLD WIND CHILLS AS LOW AS 25 BELOW
ZERO COULD CAUSE FROSTBITE ON EXPOSED SKIN IN AS LITTLE AS 30
MINUTES. AN EXTENDED PERIOD OF FREEZING TEMPERATURES COULD
CAUSE RUPTURED WATER PIPES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRESS IN LAYERS INCLUDING A HAT, FACE MASK, AND GLOVES IF YOU
MUST GO OUTSIDE.
TO PREVENT WATER PIPES FROM FREEZING; WRAP OR DRAIN OR ALLOW THEM
TO DRIP SLOWLY.
DRAIN IN-GROUND SPRINKLER SYSTEMS AND COVER ABOVE GROUND PIPES.
KEEP PETS INDOORS AS MUCH AS POSSIBLE.
MAKE SURE OUTDOOR ANIMALS HAVE A WARM, DRY SHELTER, FOOD, AND
UNFROZEN WATER.
MAKE FREQUENT CHECKS ON OLDER FAMILY, FRIENDS, AND NEIGHBORS.
ENSURE PORTABLE HEATERS ARE USED CORRECTLY. DO NOT USE GENERATORS
OR GRILLS INSIDE.
MDZ003>005-502-VAZ025>031-WVZ050>053-055-502-504-211900-
/O.CON.KLWX.CW.Y.0007.000000T0000Z-250123T1500Z/
WASHINGTON-FREDERICK MD-CARROLL-CENTRAL AND EASTERN ALLEGANY-
AUGUSTA-ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-
HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-HARDY-EASTERN GRANT-
EASTERN MINERAL-
INCLUDING THE CITIES OF HAGERSTOWN, FREDERICK, BALLENGER CREEK,
ELDERSBURG, WESTMINSTER, CUMBERLAND, STAUNTON, WAYNESBORO,
STUARTS DRAFT, HARRISONBURG, STRASBURG, WOODSTOCK, MOUNT JACKSON,
NEW MARKET, WINCHESTER, LURAY, SHENANDOAH, STANLEY, FRONT ROYAL,
BERRYVILLE, ROMNEY, PAW PAW, MARTINSBURG, CHARLES TOWN,
SHEPHERDSTOWN, MOOREFIELD, PETERSBURG, ANTIOCH, KEYSER,
NEW CREEK, RIDGEVILLE, RUSSELLDALE, HEADSVILLE, AND FORT ASHBY
233 AM EST TUE JAN 21 2025
...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
THURSDAY...
* WHAT...VERY COLD WIND CHILLS AS LOW AS 5 TO 15 DEGREES BELOW
ZERO EXPECTED.
* WHERE...PORTIONS OF NORTH CENTRAL AND WESTERN MARYLAND,
NORTHWEST AND WESTERN VIRGINIA AND EASTERN AND PANHANDLE WEST
VIRGINIA.
* WHEN...UNTIL 10 AM EST THURSDAY.
* IMPACTS...THE COLD WIND CHILLS AS LOW AS 10 BELOW ZERO COULD
RESULT IN HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. FROSTBITE
AND HYPOTHERMIA WILL OCCUR IF UNPROTECTED SKIN IS EXPOSED TO
THESE TEMPERATURES. VERY COLD TEMPERATURES AND WIND CHILLS CAN
LEAD TO HYPOTHERMIA WITH PROLONGED EXPOSURE.
* ADDITIONAL DETAILS...THE COLDEST CONDITIONS ARE EXPECTED TUESDAY
NIGHT, WITH WIDESPREAD WIND CHILLS OF 10 TO 15 DEGREES BELOW
ZERO. OTHER NIGHTS, WIND CHILLS WILL BE BETWEEN 5 TO 10 DEGREES
BELOW ZERO. DURING THE DAYTIME, WIND CHILLS ARE EXPECTED TO ONLY
REACH THE UPPER SINGLE DIGITS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
USE CAUTION WHILE TRAVELING OUTSIDE. WEAR APPROPRIATE CLOTHING, A
HAT, AND GLOVES.
KEEP PETS INDOORS AS MUCH AS POSSIBLE.
MAKE SURE OUTDOOR ANIMALS HAVE A WARM, DRY SHELTER, FOOD, AND
UNFROZEN WATER.
MAKE FREQUENT CHECKS ON OLDER FAMILY, FRIENDS, AND NEIGHBORS.
ENSURE PORTABLE HEATERS ARE USED CORRECTLY. DO NOT USE GENERATORS
OR GRILLS INSIDE.
DCZ001-MDZ006-008-011-013-014-503>508-VAZ038>040-051-053-054-501-
502-505-506-526-527-211900-
/O.CON.KLWX.CW.Y.0007.000000T0000Z-250123T1500Z/
DISTRICT OF COLUMBIA-NORTHERN BALTIMORE-CECIL-SOUTHERN BALTIMORE-
PRINCE GEORGES-ANNE ARUNDEL-NORTHWEST MONTGOMERY-
CENTRAL AND SOUTHEAST MONTGOMERY-NORTHWEST HOWARD-
CENTRAL AND SOUTHEAST HOWARD-NORTHWEST HARFORD-SOUTHEAST HARFORD-
GREENE-MADISON-RAPPAHANNOCK-CULPEPER-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-NORTHERN FAUQUIER-
SOUTHERN FAUQUIER-WESTERN LOUDOUN-EASTERN LOUDOUN-
NORTHWEST PRINCE WILLIAM-
CENTRAL AND SOUTHEAST PRINCE WILLIAM/MANASSAS/MANASSAS PARK-
INCLUDING THE CITIES OF WASHINGTON, REISTERSTOWN, COCKEYSVILLE,
ELKTON, BALTIMORE, BOWIE, SUITLAND-SILVER HILL, CLINTON,
COLLEGE PARK, GREENBELT, LAUREL, CAMP SPRINGS, GLEN BURNIE,
ANNAPOLIS, SEVERN, SOUTH GATE, SEVERNA PARK, ARNOLD, ODENTON,
GERMANTOWN, DAMASCUS, BETHESDA, ROCKVILLE, GAITHERSBURG,
SILVER SPRING, LISBON, COLUMBIA, ELLICOTT CITY, JARRETTSVILLE,
ABERDEEN, STANARDSVILLE, MADISON, CULPEPER, RESTON, HERNDON,
ANNANDALE, CENTREVILLE, CHANTILLY, MCLEAN, FRANCONIA, ARLINGTON,
ALEXANDRIA, FALLS CHURCH, WARRENTON, TURNBULL, PURCELLVILLE,
LEESBURG, ASHBURN, STERLING, HAYMARKET, DALE CITY, MANASSAS,
WOODBRIDGE, LAKE RIDGE, AND MONTCLAIR
233 AM EST TUE JAN 21 2025
...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
THURSDAY...
* WHAT...VERY COLD WIND CHILLS BETWEEN 0 DEGREES TO 10 DEGREES
BELOW ZERO EXPECTED.
* WHERE...PORTIONS OF CENTRAL, NORTHEAST AND NORTHERN MARYLAND,
THE DISTRICT OF COLUMBIA AND CENTRAL, NORTHERN AND NORTHWEST
VIRGINIA.
* WHEN...UNTIL 10 AM EST THURSDAY.
* IMPACTS...THE COLD WIND CHILLS AS LOW AS 10 BELOW ZERO COULD
RESULT IN HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. FROSTBITE
AND HYPOTHERMIA WILL OCCUR IF UNPROTECTED SKIN IS EXPOSED TO
THESE TEMPERATURES. WIND CHILL VALUES CAN LEAD TO HYPOTHERMIA
WITH PROLONGED EXPOSURE. VERY COLD TEMPERATURES CAN LEAD TO
HYPOTHERMIA WITH PROLONGED EXPOSURE.
* ADDITIONAL DETAILS...THE COLDEST CONDITIONS ARE EXPECTED TUESDAY
NIGHT, WITH WIDESPREAD WIND CHILLS OF 5 TO 10 DEGREES BELOW
ZERO. OTHER NIGHTS, WIND CHILLS WILL BE BETWEEN 0 DEGREES TO 5
DEGREES BELOW ZERO. DURING THE DAYTIME, WIND CHILLS ARE EXPECTED
TO ONLY REACH THE LOW TEENS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
USE CAUTION WHILE TRAVELING OUTSIDE. WEAR APPROPRIATE CLOTHING, A
HAT, AND GLOVES.
KEEP PETS INDOORS AS MUCH AS POSSIBLE.
MAKE SURE OUTDOOR ANIMALS HAVE A WARM, DRY SHELTER, FOOD, AND
UNFROZEN WATER.
MAKE FREQUENT CHECKS ON OLDER FAMILY, FRIENDS, AND NEIGHBORS.
ENSURE PORTABLE HEATERS ARE USED CORRECTLY. DO NOT USE GENERATORS
OR GRILLS INSIDE.
MDZ016>018-VAZ036-037-050-055>057-211900-
/O.CON.KLWX.CW.Y.0007.250122T0300Z-250123T1500Z/
CHARLES-ST. MARYS-CALVERT-NELSON-ALBEMARLE-ORANGE-STAFFORD-
SPOTSYLVANIA-KING GEORGE-
INCLUDING THE CITIES OF ST. CHARLES, WALDORF, LEXINGTON PARK,
CALIFORNIA, CHESAPEAKE BEACH, HUNTINGTOWN, DUNKIRK, NORTH BEACH,
LUSBY, PRINCE FREDERICK, LOVINGSTON, CHARLOTTESVILLE, ORANGE,
GORDONSVILLE, FALMOUTH, FREDERICKSBURG, AND DAHLGREN
233 AM EST TUE JAN 21 2025
...COLD WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS
EVENING TO 10 AM EST THURSDAY...
* WHAT...VERY COLD TEMPERATURES AS LOW AS 5 BELOW EXPECTED.
* WHERE...IN MARYLAND, CHARLES, ST. MARYS AND CALVERT COUNTIES.
IN VIRGINIA, NELSON, ALBEMARLE, ORANGE, STAFFORD, SPOTSYLVANIA
AND KING GEORGE COUNTIES.
* WHEN...FROM 10 PM THIS EVENING TO 10 AM EST THURSDAY.
* IMPACTS...FROSTBITE AND HYPOTHERMIA WILL OCCUR IF UNPROTECTED
SKIN IS EXPOSED TO THESE TEMPERATURES. WIND CHILL VALUES CAN
LEAD TO HYPOTHERMIA WITH PROLONGED EXPOSURE. VERY COLD
TEMPERATURES CAN LEAD TO HYPOTHERMIA WITH PROLONGED EXPOSURE.
* ADDITIONAL DETAILS...THE COLDEST CONDITIONS ARE EXPECTED TUESDAY
NIGHT, WITH WIDESPREAD WIND CHILLS AROUND 5 DEGREES BELOW ZERO.
OTHER NIGHTS, WIND CHILLS WILL BE AROUND OR JUST BELOW 0
DEGREES. DURING THE DAYTIME, WIND CHILLS ARE EXPECTED TO ONLY
REACH THE LOW TO MIDDLE TEENS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
USE CAUTION WHILE TRAVELING OUTSIDE. WEAR APPROPRIATE CLOTHING, A
HAT, AND GLOVES.
KEEP PETS INDOORS AS MUCH AS POSSIBLE.
MAKE SURE OUTDOOR ANIMALS HAVE A WARM, DRY SHELTER, FOOD, AND
UNFROZEN WATER.
MAKE FREQUENT CHECKS ON OLDER FAMILY, FRIENDS, AND NEIGHBORS.
ENSURE PORTABLE HEATERS ARE USED CORRECTLY. DO NOT USE GENERATORS
OR GRILLS INSIDE.
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