The following events were reported: Flood. These occurred near station USW00013739, approximately 26.011 km away, between 2012-12-21 04:30:00 and 2012-12-22 18:55:00. The flood was caused by Heavy Rain. Thankfully, no injuries or fatalities were reported. No significant property or crop damage was reported. Episode Narrative: A deep low pressure system tracked across the Lower Great Lakes northeastward into the St. Lawrence Valley from the evening of the 20th into the daytime of the 21st. Its associated strong cold front swept eastward through the Mid Atlantic region and across Pennsylvania during the early morning of the 21st. In addition, a secondary area of low pressure formed along the frontal boundary, west of Delaware Bay, and deepened rapidly. The approaching cold front and the deepening secondary low pressure produced a strong southeasterly flow the reached into the local Philadelphia area and resulted in peak wind gusts of around 50 mph in the far southeast part of the state and knocked down weak tree limbs and wires. In addition, the significant southeast flow allowed water to pile up along the New Jersey shore and into the Delaware Bay and Delaware River and produced major tidal flooding.on the morning of the 21st. Lastly this southeast flow also brought moderate to heavy rain into the state with storm totals ranging between 1 to 3 inches. The rain began during the afternoon of the 20th and fell at its heaviest between Midnight EST and 6 a.m. EST on the 21st. The rain ended between 7 a.m. EST and 9 a.m. EST on the morning of the 21st. This rain resulted in poor drainage flooding as well as minor to moderate flooding of streams and creeks in Eastern Pennsylvania.| |In Philadelphia, the tidal flooding forced the closure of the southbound lanes of Interstate 95 at Columbus Boulevard. Columbus Boulevard/Delaware Avenue was flooded and closed in both directions between Washington and Fairmount Avenues. In Bucks County,  tidal flooding affected the Radcliffe, Cedar and Mill Street areas of Bristol Township. The high tide swamped the backyards and basements of stores in the business district along Radcliffe and Cedar Streets   The Mill Street parking lot was under water as was the Landmark Wharf on Mill Street. The high tide in Philadelphia reached 10.35 feet above mean lower low water. This was the third highest tide on record. Major tidal flooding starts at 10.2 feet above mean lower low water. The high tide  reached  12.13 feet above mean lower low water at Newbold Island (Bucks County). There are no established flood categories for this site.||Strong winds occurred in the southeast part of the state, beginning a few hours prior to daybreak and ending soon after sunrise on the 21st. Winds decreased by mid-morning following the passage of the surface cold front. In Delaware County, downed utility lines forced the closure of U.S. Route 30 in both directions in Radnor Township and the southbound lanes of U.S. Route 1 in Chadds Ford. Peak wind gusts included 55 mph in Newbold Island (Bucks County) and 52 mph at the Philadelphia International Airport. A deep low pressure system tracked across the Lower Great Lakes northeastward into the St. Event Narrative: The Valley Creek at Valley Forge was above its 7 foot flood stage from 430 a.m. EST through 845 a.m. It crested at 7.49 feet at 645 a.m. EST. The main stem of the Brandywine Creek at Chadds Ford was above its 9 foot flood stage from 1157 a.m. EST through 330 p.m. It crested at 9.12 feet at 240 p.m. Event precipitation totals included 2.34 inches in West Chester, 2.23 inches in Malvern, 2.21 inches in Devon-Berwyn, 2.20 inches in West Grove and 2.02 inches in Exton. The Wissahickon Creek at Fort Washington had moderate flooding and was above its 9 foot flood stage from 533 a.m. EST through 1220 p.m. It crested at 11.29 feet at 1045 a.m. The East Branch of the Perkiomen Creek at Schwenksville had moderate flooding and was above its 7 foot flood stage from 632 a.m. EST through 416 p.m. It crested at 9.72 feet at Noon EST. The Main Stem of the Perkiomen Creek at East Greenville was above its 4 foot flood stage from 709 a.m. EST through 1151 a.m. It crested at 4.45 feet at 10 a.m. Event precipitation totals included 2.86 inches in Conshohocken, 2.66 inches in North Wales, 2.64 inches in Norristown, 2.52 inches in Blue Bell, 2.49 inches in Ambler, 2.30 inches in West Norriton and 2.04 inches in Perkiomenville. The East Branch of the Perkiomen Creek at Dublin was above its 5 foot flood stage from 541 a.m. EST through 849 a.m. It crested at 5.75 feet at 745 a.m. The Neshaminy Creek at Langhorne had moderate flooding and was above its 9 foot flood stage from 945 a.m. EST through 655 p.m. It crested at 10.08 feet at 315 p.m. Event precipitation totals included 2.33 inches in Doylestown, 2.09 inches in Springtown, 1.98 inches in Sellersville and 1.32 inches in Penndel. The Wissahickon Creek at its mouth was above its 5 foot flood stage from 637 a.m. EST through 452 p.m. It crested at 6.39 feet at 2 p.m. The Pennypack Creek at the Rhawn Street Bridge was above its 7 foot flood stage from 652 a.m. EST through 118 p.m. It crested at 7.77 feet at 11 a.m. EST.||Event precipitation totals included 1.84 inches at Franklin Institute in Center City, 1.60 inches in Rockledge, 1.58 inches at the Philadelphia International Airport and 1.45 inches at the Northeast Philadelphia Airport. The heavy rain and flooding forced the termination of the SEPTA Sharon Hill Trolley Service at McDade Boulevard. in Darby. The Crum Creek at Newtown Square was above its 6 foot flood stage from 431 a.m. EST through 942 a.m. It crested at 7.41 feet at 715 a.m. The Chester Creek near Chester was above its 8 foot flood stage from 608 a.m. EST through 815 a.m. It crested at 8.4 feet at 7 a.m. The Brandywine Creek at Chadds Ford was above its 9 foot flood stage from 1157 a.m. Event precipitation totals included 2.31 inches in Media.