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Elev 433 ft, 40.02 °N, 75.31 °W

Bryn Mawr, PA Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Bryn Mawr, PA
Elevation: 433ft
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Active Weather Alerts

Severe Thunderstorm Warning
Issued: 8:15 PM Jun. 22, 2026 – National Weather Service
The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
Southeastern Berks County in eastern Pennsylvania...
West central Montgomery County in southeastern Pennsylvania...
Northern Chester County in southeastern Pennsylvania...
Central Delaware County in southeastern Pennsylvania...

* Until 500 PM EDT.

* At 415 PM EDT, a severe thunderstorm was located over Honey Brook,
or 7 miles east of New Holland, moving east at 35 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Damage to roofs, siding, trees, and power lines is
possible.

* Locations impacted include...
West Chester, Pottstown, Phoenixville, Coatesville, Downingtown,
Collegeville, Royersford, Trappe, Honey Brook, Elverson, New
Morgan, Pughtown, Lionville-Marchwood, Valley Forge, Glenmoore,
Paoli, Chester Springs, Lionville, Cedarville, and West Goshen.

This includes the following highways...
Pennsylvania Turnpike between mile markers 296 and 324.
Interstate 176 in Pennsylvania between mile markers 1 and 5.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

&&


TORNADO...POSSIBLE;
HAIL THREAT...RADAR INDICATED;
MAX HAIL SIZE...0.75 IN;
WIND THREAT...RADAR INDICATED;
MAX WIND GUST...60 MPH

Flood Watch
Issued: 7:58 PM Jun. 22, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...Portions of northern Delaware, including the following
area, New Castle, New Jersey, including the following areas,
Camden, Gloucester, Hunterdon, Mercer, Middlesex, Morris,
Northwestern Burlington, Salem, Somerset and Western Monmouth, and
southeast Pennsylvania, including the following areas, Delaware,
Eastern Chester, Eastern Montgomery, Lower Bucks, Philadelphia,
Upper Bucks, Western Chester and Western Montgomery.

* WHEN...Through late tonight.

* IMPACTS...Flash flooding may occur in poor drainage and urban
areas.

* ADDITIONAL DETAILS...
- Showers and thunderstorms with rainfall rates potentially of
1-2 inches per hour are expected across the watch area. In
urban locations, this will be enough to trigger flash
flooding.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

Severe Thunderstorm Watch
Issued: 6:09 PM Jun. 22, 2026 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
375 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 13 COUNTIES

IN CENTRAL NEW JERSEY

MERCER                MONMOUTH

IN NORTHERN NEW JERSEY

HUNTERDON             MIDDLESEX             SOMERSET

IN SOUTHERN NEW JERSEY

ATLANTIC              BURLINGTON            CAMDEN
CAPE MAY              CUMBERLAND            GLOUCESTER
OCEAN                 SALEM

IN PENNSYLVANIA THIS WATCH INCLUDES 6 COUNTIES

IN EAST CENTRAL PENNSYLVANIA

BERKS

IN SOUTHEAST PENNSYLVANIA

BUCKS                 CHESTER               DELAWARE
MONTGOMERY            PHILADELPHIA

THIS INCLUDES THE CITIES OF ATLANTIC CITY, CAMDEN, CENTREVILLE,
CHERRY HILL, CHESTERTOWN, DENTON, DEPTFORD, DOVER, DOYLESTOWN,
EAST BRUNSWICK, EASTON, EDISON, FLEMINGTON, FREEHOLD, GEORGETOWN,
GLASSBORO, HAMMONTON, 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.

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