Headline:
Severe Thunderstorm Warning issued July 21 at 4:45PM EDT until July 21 at 5:15PM EDT by NWS Mount Holly NJ
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
July 21, 2026 - 1:45pm
Expires:
July 21, 2026 - 2:15pm
Description:
At 444 PM EDT, a severe thunderstorm was located over Roxborough, or
near Philadelphia, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Philadelphia, Yeadon, Folcroft, Swarthmore, Narberth, National Park,
East Lansdowne, Darby Township, Cheyney, Morris Park, Germantown,
Bryn Mawr, Lima, South Philadelphia, Gradyville, Nether Providence
Township, Broomall, Roxborough, Philadelphia International Airport,
and Drexel Hill.
This includes the following highways...
Interstate 95 in Pennsylvania between mile markers 11 and 18.
Interstate 76 in Pennsylvania between mile markers 336 and 350.
Interstate 676 in Pennsylvania between mile markers 0 and 1.
Interstate 476 in Pennsylvania between mile markers 1 and 9.
Instruction:
A Tornado Watch remains in effect until 900 PM EDT for southern New
Jersey...and southeastern Pennsylvania.
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
Area Description:
Delaware, PA; Montgomery, PA; Philadelphia, PA
Forcast Office:
NWS Mount Holly NJ
Sender: