Rain falls atop Greenland's ice sheet for first time on record

Rain falls atop Greenland's ice sheet for first time on record

Greenland’s ice sheet experienced temperatures above freezing for about nine hours on Aug. 14, allowing rain to fall.

Greenland’s ice sheet experienced temperatures above freezing for about nine hours on Aug. 14, allowing rain to fall.

Henri reaches hurricane strength on path to Northeast

Henri reaches hurricane strength on path to Northeast

The National Hurricane Center issued an 11 a.m. advisory Saturday upgrading the tropical storm to a hurricane.

The National Hurricane Center issued an 11 a.m. advisory Saturday upgrading the tropical storm to a hurricane.

Weather Authority: Rainy weekend ahead with scattered showers, thunderstorms

Weather Authority: Rainy weekend ahead with scattered showers, thunderstorms

A rainy Friday set the tone for a gloomy weekend across the Delaware Valley with scattered showers forecasted through Sunday and slightly cooler temperatures. 

A rainy Friday set the tone for a gloomy weekend across the Delaware Valley with scattered showers forecasted through Sunday and slightly cooler temperatures. 

Henri: New England preps for 1st hurricane in 30 years

Henri: New England preps for 1st hurricane in 30 years

New Englanders began hauling boats out of the water and taking other precautions Friday as Tropical Storm Henri barreled toward the Northeast coast.

New Englanders began hauling boats out of the water and taking other precautions Friday as Tropical Storm Henri barreled toward the Northeast coast.

National Weather Service confirms pair of EF-1 tornadoes in southeastern Pennsylvania

National Weather Service confirms pair of EF-1 tornadoes in southeastern Pennsylvania

The National Weather Service said two tornadoes touched down in southeastern Pennsylvania during Wednesday night's strong storms, including an EF-1 twister that crossed county lines. 

The National Weather Service said two tornadoes touched down in southeastern Pennsylvania during Wednesday night's strong storms, including an EF-1 twister that crossed county lines. 

Weather Authority: Humid, sunny Thursday follows night of intense storms

Weather Authority: Humid, sunny Thursday follows night of intense storms

A much calmer weather day will follow a night of intense storms across the Delaware Valley that brought flooding rain and tornado warnings. 

A much calmer weather day will follow a night of intense storms across the Delaware Valley that brought flooding rain and tornado warnings. 

NC flooding from Fred leaves 2 dead, 20 missing as Grace makes landfall in Mexico

NC flooding from Fred leaves 2 dead, 20 missing as Grace makes landfall in Mexico

Grace made landfall Thursday as a hurricane near Tulum, Mexico. Meanwhile, remnants of Fred headed northeast after causing deadly flooding N. Carolina.

Grace made landfall Thursday as a hurricane near Tulum, Mexico. Meanwhile, remnants of Fred headed northeast after causing deadly flooding N. Carolina.

Weather Authority: Warm, muggy overnight leading to partly cloudy, muggy Thursday

Weather Authority: Warm, muggy overnight leading to partly cloudy, muggy Thursday

The remnants of Fred will continue to move northeast, affecting Philadelphia, Bucks and Montgomery Counties, into the Lehigh Valley and moving off into northern parts of New Jersey through early Thursday morning.

The remnants of Fred will continue to move northeast, affecting Philadelphia, Bucks and Montgomery Counties, into the Lehigh Valley and moving off into northern parts of New Jersey through early Thursday morning.