WFO PHILADELPHIA Warnings, Watches and Advisories for Friday, May 16, 2025

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SEVERE THUNDERSTORM WATCH

WATCH COUNTY NOTIFICATION FOR WATCH 260

NATIONAL WEATHER SERVICE MOUNT HOLLY NJ

1006 AM EDT FRI MAY 16 2025

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH

260 IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON FOR THE FOLLOWING

AREAS

IN DELAWARE THIS WATCH INCLUDES 3 COUNTIES

IN CENTRAL DELAWARE

KENT

IN NORTHERN DELAWARE

NEW CASTLE

IN SOUTHERN DELAWARE

SUSSEX

IN MARYLAND THIS WATCH INCLUDES 4 COUNTIES

IN NORTHEAST MARYLAND

CAROLINE KENT QUEEN ANNE'S

TALBOT

IN NEW JERSEY THIS WATCH INCLUDES 14 COUNTIES

IN CENTRAL NEW JERSEY

MERCER MONMOUTH

IN NORTHERN NEW JERSEY

HUNTERDON MIDDLESEX SOMERSET

WARREN

IN SOUTHERN NEW JERSEY

ATLANTIC BURLINGTON CAMDEN

CAPE MAY CUMBERLAND GLOUCESTER

OCEAN SALEM

IN PENNSYLVANIA THIS WATCH INCLUDES 9 COUNTIES

IN EAST CENTRAL PENNSYLVANIA

BERKS LEHIGH NORTHAMPTON

IN NORTHEAST PENNSYLVANIA

CARBON

IN SOUTHEAST PENNSYLVANIA

BUCKS CHESTER DELAWARE

MONTGOMERY PHILADELPHIA

THIS INCLUDES THE CITIES OF ALLENTOWN, ATLANTIC CITY, BETHLEHEM,

BLAIRSTOWN, CAMDEN, CENTREVILLE, CHERRY HILL, CHESTERTOWN,

DENTON, DEPTFORD, DOVER, DOYLESTOWN, EAST BRUNSWICK, EASTON,

EASTON, EDISON, FLEMINGTON, FREEHOLD, GEORGETOWN, GLASSBORO,

HAMMONTON, JIM THORPE, MEDIA, MILLVILLE, MOORESTOWN, MOUNT HOLLY,

NEW BRUNSWICK, NORRISTOWN, NORTH BRUNSWICK TOWNSHIP, OCEAN CITY,

PENNSVILLE, PERTH AMBOY, PHILADELPHIA, READING, SAYREVILLE,

SOMERSET, TOMS RIVER, TRENTON, WEST CHESTER, AND WILMINGTON.

...FLOOD WARNING NOW IN EFFECT UNTIL THIS AFTERNOON...

* WHAT...Minor flooding is occurring.

* WHERE...Potomac River at Point of Rocks.

* WHEN...Until this afternoon.

* IMPACTS...At 17.0 feet, Water enters the comfort station at the

Brunswick boat ramp parking area.

* ADDITIONAL DETAILS...

- At 9:45 AM EDT Friday the stage was 16.9 feet, or 0.9 feet

above flood stage.

- Recent Activity...The maximum river stage in the 24 hours

ending at 9:45 AM EDT Friday was 18.7 feet.

- Forecast...The river is expected to fall below flood stage

this afternoon and continue falling to 7.1 feet Monday

morning.

- Flood stage is 16.0 feet.

- Flood History...This crest compares to a previous crest of

17.0 feet on 05/20/1988.

- Please visit www.weather.gov/safety/flood for flood safety

and preparedness information

River Name Fld Observed Fri Fri Sat Crest

Location Stg Stg Day/Time 2PM 8PM 2AM Stg Time Date

Potomac River

Point of Rocks 16.0 16.9 Fri 9 am 15.3 13.7 12.4 MSG unknown

...FLOOD WARNING NOW IN EFFECT UNTIL LATE TONIGHT...

* WHAT...Moderate flooding is occurring and minor flooding is

forecast.

* WHERE...Potomac River at Edwards Ferry.

* WHEN...Until late tonight.

* IMPACTS...At 18.5 feet, The parking lot at Edwards Ferry is

completely covered by water. The parking lot at Seneca is

partially flooded.

- At 9:45 AM EDT Friday the stage was 18.5 feet, or 3.5 feet

ending at 9:45 AM EDT Friday was 19.6 feet.

just after midnight tonight and continue falling to 9.8 feet

Monday morning.

- Flood stage is 15.0 feet.

- Flood History...No available flood history.

River Name Fld Observed Fri Fri Sat Crest

Location Stg Stg Day/Time 2PM 8PM 2AM Stg Time Date

Edwards Ferr 15.0 18.5 Fri 9 am 16.9 15.6 14.7 MSG unknown

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