The National Weather Service has issued a Severe Thunderstorm Warning for Stone Harbor and all of Cape May County.  The Warning is in effect until 8:45pm.  The Service anticipates heavy rain, strong gusty winds, lightning, and the potential for hail during this storm.  Seek shelter immediately and do not drive on flooded streets.  If you have any emergency, dial 911.  Streets may be flooded with rain water in a very short period of time due to this storm event.

Here is the text of the Warning from the National Weather Service:

Severe Thunderstorm Warning
Issued: 7:49 PM EDT Aug. 18, 2017 – National Weather Service
The National Weather Service in Mount Holly NJ has issued a    * Severe Thunderstorm Warning for...     Atlantic County in southern New Jersey...     eastern Cumberland County in southern New Jersey...     southeastern Gloucester County in southern New Jersey...     Cape May County in southern New Jersey...     * until 845 PM EDT    * at 749 PM EDT, severe thunderstorms were located along a line    extending from Buena to near Bivalve, moving east at 20 mph.      Hazard... 60 mph wind gusts and nickel size hail.       Source... radar indicated.       Impact... expect damage to trees and power lines.     * Locations impacted include...     Vineland, Atlantic City, Millville, Ocean City, Cumberland,    Pleasantville, Somers Point, Ventnor City, Brigantine, Northfield,    Absecon, Margate City, Buena, Egg Harbor City, North Wildwood,    Laurel Lake, Weymouth, Woodbine, Sea Isle City and Estell Manor.    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.    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.