200
WWUS71 KLWX 090804
NPWLWX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
404 AM EDT THU APR 9 2026
MDZ003>006-008-503-505-507-508-VAZ025>031-037>040-050-051-056-501-
502-505-506-526-WVZ051>053-091300-
/O.CON.KLWX.FZ.W.0002.000000T0000Z-260409T1300Z/
WASHINGTON-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-CECIL-
NORTHWEST MONTGOMERY-NORTHWEST HOWARD-NORTHWEST HARFORD-SOUTHEAST
HARFORD-AUGUSTA-ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-
CLARKE-ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-ORANGE-CULPEPER-
SPOTSYLVANIA-NORTHERN FAUQUIER-SOUTHERN FAUQUIER-WESTERN LOUDOUN-
EASTERN LOUDOUN-NORTHWEST PRINCE WILLIAM-MORGAN-BERKELEY-
JEFFERSON-
404 AM EDT THU APR 9 2026
..FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING
* WHAT...SUB-FREEZING TEMPERATURES AS LOW AS 30.
* WHERE...PORTIONS OF CENTRAL, NORTH CENTRAL, NORTHEAST, AND
NORTHERN MARYLAND, CENTRAL, NORTHERN, NORTHWEST, AND WESTERN
VIRGINIA, AND THE EASTERN PANHANDLE OF WEST VIRGINIA.
* WHEN...UNTIL 9 AM EDT THIS MORNING.
* IMPACTS...FROST AND FREEZE CONDITIONS COULD KILL CROPS, OTHER
SENSITIVE VEGETATION AND POSSIBLY DAMAGE UNPROTECTED OUTDOOR
PLUMBING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.
DCZ001-MDZ011-013-014-016>018-504-506-VAZ036-053>055-057-527-091300-
/O.CON.KLWX.FR.Y.0001.000000T0000Z-260409T1300Z/
DISTRICT OF COLUMBIA-SOUTHERN BALTIMORE-PRINCE GEORGES-ANNE
ARUNDEL-CHARLES-ST. MARYS-CALVERT-CENTRAL AND SOUTHEAST
MONTGOMERY-CENTRAL AND SOUTHEAST HOWARD-NELSON-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-KING GEORGE-CENTRAL
AND SOUTHEAST PRINCE WILLIAM/MANASSAS/MANASSAS PARK-
404 AM EDT THU APR 9 2026
..FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING
* WHAT...TEMPERATURES AS LOW AS 33 WILL RESULT IN FROST FORMATION.
* WHERE...DC, AND PORTIONS OF CENTRAL, NORTHERN, AND SOUTHERN
MARYLAND, AND CENTRAL AND NORTHERN VIRGINIA.
* WHEN...UNTIL 9 AM EDT THIS MORNING.
* IMPACTS...FROST COULD HARM SENSITIVE OUTDOOR VEGETATION. SENSITIVE
OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.
KJP
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