Advisory
Severe Thunderstorm Warning
Severe Thunderstorm Warning 
Severe Thunderstorm Warning in effect until 6:00pm. High winds, heavy rain, and frequent lightning possible. Seek shelter.
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
southeastern Hunterdon County in northwestern New Jersey...
northwestern Mercer County in central New Jersey...
southwestern Somerset County in northern New Jersey...
Montgomery County in southeastern Pennsylvania...
Bucks County in southeastern Pennsylvania...
northeastern Chester County in southeastern Pennsylvania...
northern Philadelphia County in southeastern Pennsylvania...
northern Delaware County in southeastern Pennsylvania...
* until 600 PM EDT
* at 510 PM EDT, severe thunderstorms were located along a line
extending from near Quakertown to near Chester Springs, moving east
at 40 mph.
Hazard... 60 mph wind gusts and penny size hail.
Source... radar indicated.
Impact... expect damage to trees and power lines.
* Locations impacted include...
Philadelphia, Trenton, Somerville, Bensalem, Ewing, Norristown,
Phoenixville, Lansdale, West Norriton, Middlesex, East Norriton,
Princeton, Bound Brook, Manville, Bristol, Quakertown, Perkasie,
Doylestown, Byram and Conshohocken.
Precautionary/preparedness actions...
Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.
In addition to large hail and 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.
Lat... Lon 4008 7487 4007 7494 4001 7505 4004 7570
4050 7537 4057 7453 4053 7450
time... Mot... loc 2110z 266deg 33kt 4043 7530 4010 7555
Tornado... possible
hail... 0.75in
wind... 60mph
For additional updates and weather information, visit www.weather.gov/phi
For all current NWS Watches, Warnings, or Advisories, visit http://goo.gl/xfexUk
For further information on emergency preparedness, visit www.phila.gov/ready
Address/Location
Philadelphia Office of Emergency Management
240 Spring Garden St
Philadelphia, PA 19123
Contact
Emergency: 9-1-1