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King of Prussia, PA Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: King of Prussia, PA
Elevation: 144ft
Nearby Weather Stations

Active Weather Alerts

Flash Flood Warning
Issued: 9:45 PM Jul. 8, 2025 – National Weather Service
The National Weather Service in Mount Holly has issued a

* Flash Flood Warning for...
Northeastern New Castle County in northern Delaware...
West Central Camden County in southern New Jersey...
Northwestern Gloucester County in southern New Jersey...
Northern Salem County in southern New Jersey...
East Central Chester County in southeastern Pennsylvania...
Delaware County in southeastern Pennsylvania...
Southeastern Montgomery County in southeastern Pennsylvania...
Western Philadelphia County in southeastern Pennsylvania...

* Until 945 PM EDT.

* At 545 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 0.5 and 1 inch of rain
has fallen. The expected rainfall rate is 1.5 to 2.5 inches in 1
hour. Additional rainfall amounts of 1 to 2 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.

* Some locations that may experience flash flooding include...
Philadelphia, Camden, Wilmington, Gloucester City, Norristown,
Chester, Deptford, West Deptford, West Norriton, Bellmawr, Yeadon
and Woodbury.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.

&&


FLASH FLOOD...RADAR INDICATED;
EXPECTED RAINFALL RATE...1.5-2.5 INCHES IN 1 HOUR

Severe Thunderstorm Warning
Issued: 9:34 PM Jul. 8, 2025 – National Weather Service
The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
Eastern Montgomery County in southeastern Pennsylvania...
Bucks County in southeastern Pennsylvania...
Philadelphia County in southeastern Pennsylvania...
Northeastern Delaware County in southeastern Pennsylvania...

* Until 615 PM EDT.

* At 534 PM EDT, severe thunderstorms were located along a line
extending from near Geryville to near Ambler to Morris Park, moving
northeast at 35 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.

* Locations impacted include...
Philadelphia, Trenton, Bensalem, Ewing, Lansdale, Bristol,
Quakertown, Perkasie, Doylestown, Byram, Conshohocken, Palmyra,
Hatboro, Souderton, Bedminster, Ambler, Jenkintown, Narberth,
Chalfont, and Tinicum.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with these storms. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&


THUNDERSTORM DAMAGE THREAT...CONSIDERABLE;
HAIL THREAT...RADAR INDICATED;
MAX HAIL SIZE...1.00 IN;
WIND THREAT...RADAR INDICATED;
MAX WIND GUST...70 MPH

Flood Watch
Issued: 6:31 PM Jul. 8, 2025 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...Portions of Delaware, including the following areas,
Delaware Beaches, Inland Sussex, Kent and New Castle, northeast
Maryland, including the following areas, Caroline, Kent MD, Queen
Annes and Talbot, New Jersey, including the following areas,
Atlantic, Atlantic Coastal Cape May, Camden, Cape May, Coastal
Atlantic, Coastal Ocean, Cumberland, Eastern Monmouth, Gloucester,
Hunterdon, Mercer, Middlesex, Morris, Northwestern Burlington,
Ocean, Salem, Somerset, Southeastern Burlington, Sussex, Warren
and Western Monmouth, and Pennsylvania, including the following
areas, Berks, Delaware, Eastern Chester, Eastern Montgomery,
Lehigh, Lower Bucks, Northampton, Philadelphia, Upper Bucks,
Western Chester and Western Montgomery.

* WHEN...Until midnight EDT tonight.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS...
- A frontal boundary will collide with a tropical airmass and
produce widespread showers and thunderstorms this afternoon
into tonight. Rainfall rates of up to 2 inches per hour or
more will be possible, leading to flash flooding.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

&&

Heat Advisory
Issued: 6:30 PM Jul. 8, 2025 – National Weather Service
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...

* WHAT...Heat index values up to 102 degrees.

* WHERE...Portions of central, northern, and northwest New Jersey
and southeast Pennsylvania.

* WHEN...Until 8 PM EDT this evening.

* 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.

&&

Severe Thunderstorm Watch
Issued: 5:47 PM Jul. 8, 2025 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
496 IN EFFECT UNTIL 9 PM EDT THIS EVENING 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 16 COUNTIES

IN CENTRAL NEW JERSEY

MERCER                MONMOUTH

IN NORTHERN NEW JERSEY

HUNTERDON             MIDDLESEX             MORRIS
SOMERSET              SUSSEX                WARREN

IN SOUTHERN NEW JERSEY

ATLANTIC              BURLINGTON            CAMDEN
CAPE MAY              CUMBERLAND            GLOUCESTER
OCEAN                 SALEM

IN PENNSYLVANIA THIS WATCH INCLUDES 10 COUNTIES

IN EAST CENTRAL PENNSYLVANIA

BERKS                 LEHIGH                NORTHAMPTON

IN NORTHEAST PENNSYLVANIA

CARBON                MONROE

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, MORRISTOWN,
MOUNT HOLLY, NEW BRUNSWICK, NEWTON, NORRISTOWN,
NORTH BRUNSWICK TOWNSHIP, OCEAN CITY, PENNSVILLE, PERTH AMBOY,
PHILADELPHIA, READING, SAYREVILLE, SOMERSET, STROUDSBURG,
TOMS RIVER, TRENTON, WEST CHESTER, AND WILMINGTON.

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