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Severe · Severe Thunderstorm WatchActive alert

Severe Thunderstorm Watch issued September 3 at 4:33PM EDT until September 4

Affecting Adams, PA; Bedford, PA; Blair, PA; Cambria, PA; Cameron, PA; Centre, PA; Clearfield, PA; Clinton, PA; Columbia, PA; Cumberland, PA; Dauphin, PA; Elk, PA; Franklin, PA; Fulton, PA; Huntingdon, PA; Juniata, PA; Lancaster, PA; Lebanon, PA; Lycoming, PA; McKean, PA; Mifflin, PA; Montour, PA; Northumberland, PA; Perry, PA; Potter, PA; Schuylkill, PA; Snyder, PA; Somerset, PA; Sullivan, PA; Tioga, PA; Union, PA; Warren, PA; York, PA

In effect until: Sep 4, 2026, 4:00 AM

Adams, PA; Bedford, PA; Blair, PA; Cambria, PA; Cameron, PA; Centre, PA; Clearfield, PA; Clinton, PA; Columbia, PA; Cumberland, PA; Dauphin, PA; Elk, PA; Franklin, PA; Fulton, PA; Huntingdon, PA; Juniata, PA; Lancaster, PA; Lebanon, PA; Lycoming, PA; McKean, PA; Mifflin, PA; Montour, PA; Northumberland, PA; Perry, PA; Potter, PA; Schuylkill, PA; Snyder, PA; Somerset, PA; Sullivan, PA; Tioga, PA; Union, PA; Warren, PA; York, PA

Possible impact zone across 33 counties in PA; conditions develop through 4:00 AM.

Go indoors and stay away from windows until the storm passes.

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Read the original bulletin (official text)
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
650 IN EFFECT UNTIL MIDNIGHT EDT TONIGHT FOR THE FOLLOWING AREAS

IN PENNSYLVANIA THIS WATCH INCLUDES 33 COUNTIES

IN CENTRAL PENNSYLVANIA

ADAMS                 BEDFORD               BLAIR
CAMBRIA               CAMERON               CENTRE
CLEARFIELD            CLINTON               COLUMBIA
CUMBERLAND            DAUPHIN               ELK
FRANKLIN              FULTON                HUNTINGDON
JUNIATA               LANCASTER             LEBANON
LYCOMING              MCKEAN                MIFFLIN
MONTOUR               NORTHUMBERLAND        PERRY
POTTER                SCHUYLKILL            SNYDER
SOMERSET              SULLIVAN              TIOGA
UNION                 WARREN                YORK

THIS INCLUDES THE CITIES OF ALTOONA, BEDFORD, BERWICK,
BLOOMSBURG, BRADFORD, CARLISLE, CHAMBERSBURG, CLEARFIELD,
COUDERSPORT, DANVILLE, DUBOIS, EMPORIUM, GETTYSBURG, HARRISBURG,
HERSHEY, HUNTINGDON, JOHNSTOWN, LANCASTER, LAPORTE, LEBANON,
LEWISBURG, LEWISTOWN, LOCK HAVEN, MANSFIELD, MCCONNELLSBURG,
MIFFLINTOWN, MOUNT UNION, NEWPORT, POTTSVILLE, RENOVO, RIDGWAY,
SELINSGROVE, SHAMOKIN, SOMERSET, ST. MARYS, STATE COLLEGE,
SUNBURY, WARREN, WAYNESBORO, WELLSBORO, WILLIAMSPORT, AND YORK.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™