Heavy rain associated with a low pressure system emerging from the Gulf of Mexico caused poor drainage as well as some creek flooding in southeastern Pennsylvania on the 27th. The rain also hampered getaway plans, caused many accidents, as travelers were starting their Thanksgiving holiday weekend trips. On the 27th, the rain and low clouds caused two hour arrival delays at Philadelphia International Airport and caused 60 departing flights to be cancelled. Rain began on the morning of the 26th and started falling heavy at times during the late evening of the 26th. The rain continued to fall heavy at times overnight. Lighter rain then continued through most of the afternoon of the 27th before ending. Event precipitation totals averaged 2 to 3.5 with the highest amounts along the fall line from Delaware through Bucks Counties. The heavy rain was caused by a low pressure system that emerged from the Gulf of Mexico on the 26th. The low moved northeast and reached the Carolinas during the evening of the 26th, Maryland early on the 27th and passed near New York City at 7 a.m. EST on the 27th.

Flood in DELAWARE, PENNSYLVANIA
From 27-NOV-13 05:18:00 to 27-NOV-13 06:21:00 (EST-5)
Location: BROOKHAVEN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The Chester Creek at Chester was above its 8 foot flood stage from 518 a.m. EST through 621 a.m. EST on the 27th. It crested at 8.14 feet at 600 a.m. EST.  Event precipitation totals included 2.50 inches in Upper Chichester Township.

Flood in PHILADELPHIA, PENNSYLVANIA
From 27-NOV-13 05:43:00 to 27-NOV-13 10:32:00 (EST-5)
Location: FOX CHASE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The heavy rain contributed to a fatal accident on the Schuylkill Expressway (Interstate 76) in Philadelphia. About 430 a.m. EST on the 27th, a westbound Audi automobile hit a pool of water and spun out and hit the barrier and stopped. A minivan following stopped in time. But, a tractor-trailer behind it could not stop in time and struck a minivan.  A 47-year-old male passenger was killed and six other people were injured. The westbound lanes of the Schuylkill remained closed between Exit 341 (Montgomery Drive/West River Drive) and Exit 339 (U.S. Route 1 South - City Avenue) due to the accident.  The westbound side of the expressway completely reopened at 3 p.m. EST that afternoon.  On the eastbound side of the Schuylkill Expressway in nearly the same area, poor drainage flooding closed the expressway between Exit 340B (U.S. Route 1 North - Roosevelt Boulevard) and Exit 341 (Montgomery Drive/West River Drive). Cleanup included removing debris from the roadway. Three of the four lanes were reopened that afternoon.  Additional flooding forced the closure of Interstate 76 within Philadelphia at the 26th Street Tunnel after a cab became stuck in flood waters. The rain also contributed to accidents along Interstate 95 and the Pennsylvania Turnpike.

The Pennypack Creek at the Rhawn Street Bridge was above its 7 foot flood stage from 543 a.m. EST through 1032 a.m. EST on the 27th. It crested at 7.52 feet at 715 a.m. EST. Event precipitation totals included 2.32 inches at the Northeast Philadelphia Airport and 2.28 inches at the Philadelphia International Airport.