918
WWUS71 KLWX 250043
NPWLWX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
843 PM EDT TUE JUN 24 2025
DCZ001-MDZ003>006-008-011-013-014-016>018-503>508-VAZ027>031-036>040-
050-051-053>057-501-502-505-506-526-527-WVZ052-053-250845-
/O.EXP.KLWX.XH.W.0002.000000T0000Z-250625T0100Z/
/O.CON.KLWX.HT.Y.0004.250625T1500Z-250626T0100Z/
DISTRICT OF COLUMBIA-WASHINGTON-FREDERICK MD-CARROLL-NORTHERN
BALTIMORE-CECIL-SOUTHERN BALTIMORE-PRINCE GEORGES-ANNE ARUNDEL-
CHARLES-ST. MARYS-CALVERT-NORTHWEST MONTGOMERY-CENTRAL AND
SOUTHEAST MONTGOMERY-NORTHWEST HOWARD-CENTRAL AND SOUTHEAST
HOWARD-NORTHWEST HARFORD-SOUTHEAST HARFORD-SHENANDOAH-FREDERICK
VA-PAGE-WARREN-CLARKE-NELSON-ALBEMARLE-GREENE-MADISON-
RAPPAHANNOCK-ORANGE-CULPEPER-FAIRFAX-ARLINGTON/FALLS
CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA-KING GEORGE-NORTHERN
FAUQUIER-SOUTHERN FAUQUIER-WESTERN LOUDOUN-EASTERN LOUDOUN-
NORTHWEST PRINCE WILLIAM-CENTRAL AND SOUTHEAST PRINCE
WILLIAM/MANASSAS/MANASSAS PARK-BERKELEY-JEFFERSON-
843 PM EDT TUE JUN 24 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 9 PM EDT
WEDNESDAY...
..EXTREME HEAT WARNING WILL EXPIRE AT 9 PM EDT THIS EVENING
* WHAT...HEAT INDEX VALUES UP TO 108 EXPECTED.
* WHERE...PORTIONS OF DC, CENTRAL, NORTH CENTRAL, NORTHEAST,
NORTHERN, AND SOUTHERN MARYLAND, CENTRAL, NORTHERN, AND NORTHWEST
VIRGINIA, AND PANHANDLE WEST VIRGINIA.
* WHEN...FROM 11 AM TO 9 PM EDT WEDNESDAY.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT
ILLNESSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
MDZ502-VAZ025-026-WVZ050-051-055-502-504-506-250845-
/O.EXP.KLWX.HT.Y.0003.000000T0000Z-250625T0100Z/
/O.CON.KLWX.HT.Y.0004.250625T1500Z-250626T0100Z/
CENTRAL AND EASTERN ALLEGANY-AUGUSTA-ROCKINGHAM-HAMPSHIRE-MORGAN-
HARDY-EASTERN GRANT-EASTERN MINERAL-EASTERN PENDLETON-
843 PM EDT TUE JUN 24 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 9 PM EDT
WEDNESDAY...
..HEAT ADVISORY WILL EXPIRE AT 9 PM EDT THIS EVENING
* WHAT...HEAT INDEX VALUES UP TO 105 EXPECTED.
* WHERE...IN MARYLAND, CENTRAL AND EASTERN ALLEGANY COUNTY. IN
VIRGINIA, AUGUSTA AND ROCKINGHAM COUNTIES. IN WEST VIRGINIA,
EASTERN GRANT, EASTERN MINERAL, EASTERN PENDLETON, HAMPSHIRE,
HARDY, AND MORGAN COUNTIES.
* WHEN...FROM 11 AM TO 9 PM EDT WEDNESDAY.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT
ILLNESSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
AVS
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