« View county listSevere Thunderstorm Warning
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
518 PM EDT SAT JUL 22 2017
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
North central New Castle County in northern Delaware...
South central Berks County in eastern Pennsylvania...
Southern Montgomery County in southeastern Pennsylvania...
Chester County in southeastern Pennsylvania...
Northwestern Philadelphia County in southeastern Pennsylvania...
Delaware County in southeastern Pennsylvania...
* Until 600 PM EDT
* At 516 PM EDT, severe thunderstorms were located along a line
extending from near Elverson to near Parkesburg, moving southeast
at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Doppler radar and emergency management. Lancaster County
911 center reported downed trees when the storm moved
through Ephrata and New Holland.
IMPACT...Expect damage to trees and power lines.
* Locations impacted include...
Philadelphia, Wilmington, West Chester, Norristown, Chester,
Phoenixville, West Norriton, East Norriton, Coatesville, Westtown,
Downingtown, Conshohocken, Swarthmore, Kennett Square,
Collegeville, Royersford, Jenkintown, Narberth, Parkesburg and East
For your protection move to an interior room on the lowest floor of a
In addition to damaging winds...frequent cloud to ground lightning
is occurring with this storm. 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
flooding. Do not drive your vehicle through flooded roadways.
LAT...LON 4004 7593 4011 7594 4014 7588 4017 7592
4024 7585 4012 7507 3987 7535 3976 7553
TIME...MOT...LOC 2116Z 292DEG 28KT 4018 7581 4001 7593