philadelphia

An airplane passes a nearly full moon as it makes its approach to Philadelphia International Airport, in Philadelphia. Monday night's full moon, also known as a Harvest Moon, will be the third and final "supermoon" of 2014. The phenomenon, which scientists call a "perigee moon," occurs when the moon is near the horizon and appears larger and brighter than other full moons.

Matt Rourke/AP

An airplane passes a full moon as it makes its approach to Philadelphia International Airport, in Philadelphia. Monday night’s full moon, also known as a Harvest Moon, will be the third and final “supermoon” of 2014

A morning commuter walks in the plowed road as mixed winter precipitation falls Thursday, Feb. 13, 2014, in Philadelphia. Snow and sleet are falling on the East Coast, from North Carolina to New England, a day after sleet, snow and ice bombarded the Southeast.

Matt Rourke/AP

A morning commuter walks through the snow in the US city of Philadelphia, on Thursday

An ice covered tree limb that took out a utility line blocks the path of a firetruck after a winter storm Wednesday, Feb. 5, 2014, in Philadelphia.  Icy conditions have knocked out power to more than 200,000 electric customers in southeastern Pennsylvania and prompted school and legislative delays as well as speed reductions on major roadways.

Matt Rourke/AP

An ice-covered tree limb that took out a utility line blocks the path of a firetruck after a winter storm in Philadelphia. Icy conditions have knocked out power to more than 200,000 electric customers in southeastern Pennsylvania and prompted school and legislative delays as well as speed reductions on major roadways.

A commuter waits on a train during a winter snowstorm Tuesday, Dec. 10, 2013, in Philadelphia. Accumulations of 3 to 6 inches were expected as the National Weather Service issued a winter storm warning for the Eastern Seaboard, including Baltimore, Washington, D.C., Philadelphia and Wilmington

Matt Rourke/AP

A commuter waits for a train during a snowstorm in Philadelphia, US