465
WWUS71 KLWX 120509
NPWLWX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
109 AM EDT TUE MAY 12 2026
MDZ501-509-510-VAZ503-504-WVZ501-503-505-506-121200-
/O.CON.KLWX.FZ.W.0006.000000T0000Z-260512T1200Z/
EXTREME WESTERN ALLEGANY-WESTERN GARRETT-EASTERN GARRETT-WESTERN
HIGHLAND-EASTERN HIGHLAND-WESTERN GRANT-WESTERN MINERAL-WESTERN
PENDLETON-EASTERN PENDLETON-
109 AM EDT TUE MAY 12 2026
..FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING
* WHAT...SUB-FREEZING TEMPERATURES AS LOW AS 30.
* WHERE...IN MARYLAND, GARRETT AND EXTREME WESTERN ALLEGANY
COUNTIES. IN VIRGINIA, HIGHLAND COUNTY. IN WEST VIRGINIA,
PENDLETON, WESTERN GRANT, AND WESTERN MINERAL COUNTIES.
* WHEN...UNTIL 8 AM EDT THIS MORNING.
* IMPACTS...FROST AND FREEZE CONDITIONS COULD KILL CROPS, OTHER
SENSITIVE VEGETATION AND POSSIBLY DAMAGE UNPROTECTED OUTDOOR
PLUMBING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PROTECT TENDER PLANTS FROM THE COLD.
MDZ502-VAZ025>029-WVZ050-051-055-502-504-121200-
/O.CON.KLWX.FR.Y.0006.000000T0000Z-260512T1200Z/
CENTRAL AND EASTERN ALLEGANY-AUGUSTA-ROCKINGHAM-SHENANDOAH-
FREDERICK-PAGE-HAMPSHIRE-MORGAN-HARDY-EASTERN GRANT-EASTERN
MINERAL-
109 AM EDT TUE MAY 12 2026
..FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING
* WHAT...TEMPERATURES AS LOW AS 33 WILL RESULT IN FROST FORMATION.
* WHERE...PORTIONS OF WESTERN MARYLAND, NORTHWEST AND WESTERN
VIRGINIA, AND EASTERN WEST VIRGINIA.
* WHEN...UNTIL 8 AM EDT THIS MORNING.
* IMPACTS...FROST COULD HARM SENSITIVE OUTDOOR VEGETATION. SENSITIVE
OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PROTECT TENDER PLANTS FROM THE COLD.
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