Heavy rain that fell during the first half of the day on the 28th caused poor drainage and stream flooding in southeastern Pennsylvania. Storm totals averaged around two inches and culminated an overall wet month for eastern Pennsylvania. Rain began during the late evening on the 27th and fell at its heaviest before dawn on the 28th. It ended by Noon EDT on the 28th. The heavy rain was caused by a moisture laden southerly flow that preceded an intensifying low pressure system that developed in the Gulf Coast States and its associated cold front.
October 2006 precipitation total at the Philadelphia International Airport was 6.42 inches, 3.67 inches wetter than normal and the 4th wettest October on record.

Flood in CHESTER, PENNSYLVANIA
From 28-OCT-06 09:43:00 to 28-OCT-06 12:48:00 (EST-5)
Location: DOWNINGTOWN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy rain that fell during the first half of the day on the 28th caused poor drainage and stream flooding in Chester County. Storm totals averaged around two inches and culminated an overall wet month for eastern Pennsylvania. Rain began during the late evening on the 27th and fell at its heaviest before dawn on the 28th. It ended by Noon EDT on the 28th.
The East Branch of the Brandywine Creek at Downingtown was above its 7 foot flood stage from 1043 a.m. EDT through 148 p.m. EDT on the 28th. It crested at 7.39 feet at 1215 p.m. EDT. Actual storm totals included 2.22 inches in Downingtown, 1.86 inches in Valley Forge, 1.83 inches in West Chester and 1.74 inches in Coatesville.

Flood in MONTGOMERY, PENNSYLVANIA
From 28-OCT-06 08:07:00 to 28-OCT-06 16:00:00 (EST-5)
Location: SCHWENKSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy rain that fell during the first half of the day on the 28th caused poor drainage and stream flooding in Montgomery County. Storm totals averaged around two inches and culminated an overall wet month for eastern Pennsylvania. Rain began during the late evening on the 27th and fell at its heaviest before dawn on the 28th. It ended by Noon EDT on the 28th.
The Wissahickon Creek at Fort Washington was above its 9 foot flood stage from 907 a.m. EDT through 1214 p.m. EDT on the 28th. It crested at 9.51 feet at 11 a.m. EDT. The East Branch of the Perkiomen Creek at Schwenksville was above its 7 foot flood stage from 955 a.m. EDT through 500 p.m. EDT on the 28th. It crested at 7.77 feet at 230 p.m. EDT. Actual storm totals included 2.35 inches in Wynnewood, 2.06 inches in Hatboro, 1.94 inches in Pottstown and 1.78 inches in Palm.

Flood in DELAWARE, PENNSYLVANIA
From 28-OCT-06 08:24:00 to 28-OCT-06 10:07:00 (EST-5)
Location: CHESTER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy rain that fell during the first half of the day on the 28th caused poor drainage and stream flooding in Delaware County. Storm totals averaged around one and a half inches and culminated an overall wet month for eastern Pennsylvania. Rain began during the late evening on the 27th and fell at its heaviest before dawn on the 28th. It ended by Noon EDT on the 28th.
Chester Creek at Chester was above its 8 foot flood stage from 924 a.m. EDT through 1107 a.m. EDT on the 28th. It crested at 8.34 feet at 1015 a.m. EDT. Actual storm totals included 1.39 inches at the Philadelphia International Airport.

Flood in PHILADELPHIA, PENNSYLVANIA
From 28-OCT-06 08:42:00 to 28-OCT-06 15:12:00 (EST-5)
Location: (PHL)PHILADELPHIA IN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy rain that fell during the first half of the day on the 28th caused poor drainage and stream flooding in Philadelphia. Storm totals averaged around one and a half inches and culminated an overall wet month for eastern Pennsylvania. Heavier rain fell upstream in Montgomery County. Rain began during the late evening on the 27th and fell at its heaviest before dawn on the 28th. It ended around Noon EDT on the 28th.
The Wissahickon Creek at its mouth was above its 5 foot flood stage from 1142 a.m. EDT through 412 p.m. EDT on the 28th. It crested at 5.19 feet at 300 p.m. EDT. The Pennypack Creek at the Rhawn Street Bridge was above its 7 foot flood stage from 942 a.m. EDT through 1011 a.m. EDT on the 28th. It crested at 7.09 feet at 1000 a.m. EDT.
Actual storm totals included 1.58 inches at the Northeast Pennsylvania Airport and 1.39 inches at the Philadelphia International Airport.