The following events were reported: Flash Flood, Flood. These occurred near station USW00013739, approximately 25.0358 km away, between 2013-08-13 05:15:00 and 2013-08-14 01:37:00. 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 complex of showers and thunderstorms produced both wind damage and flash flooding in Berks County and southeastern Pennsylvania on the 13th. Doppler Radar storm total estimates averaged 2.5 to 7.0 inches, highest in Chester and Montgomery Counties. In addition to widespread poor drainage flooding, flooding also affected sections of the Brandywine and Wissahickon basins. Major flooding occurred along sections of the Wissahickon and Valley Creeks. Vehicle water rescues were performed in Chester, Montgomery and lower Bucks Counties. The AAA of Mid-Atlantic reported a 60 percent increase in assistance calls. Because the torrential rain coincided with the morning commute, traffic on some interstates were backed up for hours. SEPTA commuter regional rail lines experienced on average thirty minute system-wide delays through the morning. Arrival delays to Philadelphia International Airport reached 90 minutes. A complex of showers and thunderstorms produced both wind damage and flash flooding in Berks County and southeastern Pennsylvania on the 13th. Event Narrative: The runoff from the morning heavy rain on the 13th continued flooding along some of the creeks in eastern Chester County into the afternoon and night, especially in the Brandywine Basin. The East Branch of the Brandywine Creek below Downingtown had moderate flooding and was above its 7 foot flood stage from 725 a.m. EDT through 413 p.m. EDT on the 13th. It crested at 10.78 feet at 1045 a.m. EDT. The main stem of the Brandywine Creek at Chadds Ford also had moderate flooding and was above its 9 foot flood stage from 2 p.m. EDT on the 13th through 237 a.m. EDT on the 14th. It crested at 11.72 feet at 815 p.m. The Valley Creek at Valley Forge had major flooding and was above its 7 foot flood stage from 705 a.m. EDT through 214 p.m. It crested at 12.82 feet at 945 a.m. Event precipitation totals included 6.53 inches in Coatesville, 4.24 inches in Chesterbrook, 4.15 inches in Downingtown, 3.73 inches in Tredyfrrin, 3.14 inches in Unionville and 2.65 inches in West Chester. Thunderstorms with torrential downpours caused poor drainage and smaller creek flash flooding in Chester County and then led to flooding along the east branch and the main stem of the Brandywine Creek that lasted into the night of the 13th. The heaviest precipitation for this event fell in Chester County. About 30 vehicles became stuck in flood waters and five water rescues were performed. A mudslide occurred on the Pennsylvania Turnpike near mile marker 318 near Chester Springs. Thunderstorms with torrential downpours caused poor drainage and creek flash flooding, particularly in the northern half of Delaware County. The Blue Route (Interstate 476) was flooded. The runoff from the heavy rain also led to flooding along the main stem of the Brandywine Creek. The Crum Creek at Newtown Square had moderate flooding and was above its 6 foot flood stage from 906 a.m. EDT through 158 p.m. It crested at 9.40 feet at 1115 a.m. Event precipitation totals included 3.10 inches in Wayne, 2.50 inches in Newtown Square and 1.72 inches in Aston. Thunderstorms with torrential downpours caused flash flooding, particularly in the lower half of Montgomery County. Emergency personnel responded to around 30 calls for assistance from motorists trapped in their flooded vehicles. In Norristown, four roadways (including Trooper Road and Van Buren Avenue) and underpasses were flooded and closed. A construction barge broke free on Stony Creek at two workers were rescued. in Hatboro, flooding along the Pennypack Creek reached into the parking lot of the Robert Bruce Apartments. Gulph Road was flooded in King of Prussia. The Wissahickon Creek at Fort Washington had major flooding and was above its 9 foot flood stage from 830 a..m. EDT through 313 p.m. It crested at 12.35 feet at 1230 p.m. Event precipitation totals included 3.98 inches in West Norriton, 3.81 inches in Blue Bell, 3.56 inches in Fort Washington and 3.48 inches in North Wales. Thunderstorms with heavy rain caused flash flooding in western Bucks County. Vehicle rescues were performed in Southampton. The Little Neshaminy Creek at Neshaminy was above its 8 foot flood stage from 1029 a.m. EDT through 153 p.m. It crested at 8.98 feet at Noon EDT. Event precipitation totals included 2.86 inches in Penndel, 2.17 inches in Warrington and 1.94 inches in Quakertown. Thunderstorms with torrential downpours caused poor drainage flash flooding as well as creek flooding within Philadelphia. Flooding occurred along the Frankford, Pennypack and Wissahickon Creeks. A teenager was rescued from the Pennypack Creek in the Holmesburg section of the city. Extensive flooding snarled traffic along the Schuylkill Expressway. Lincoln Drive along the Wissahickon Creek was flooded in both directions and closed. The Wissahickon Environmental Center Camp was cancelled because of flooding. The Frankford Creek at Castor Avenue had moderate flooding and was above its 7 foot flood stage twice from 820 a.m. EDT through 1011 a.m. Its highest crest was 8.85 feet at 830 a.m. The Pennypack Creek at the Rhawn Street Bridge crested at 8.87 feet at 345 p.m. The Wissahickon Creek at its mouth crested at 7.23 feet at 415 p.m. Event precipitation totals included 2.20 inches at the Philadelphia International Airport and 1.93 inches in Northeast Philadelphia. The runoff from the morning heavy rain on the 13th continued flooding along some of the waterways in Philadelphia into the evening of the 13th. This was especially true of creeks whose sources are in Montgomery County as heavier rain fell in their headwater regions. The Pennypack Creek at the Rhawn Street Bridge was above its 7 foot flood stage from 848 a.m. EDT through 511 p.m. It crested at 8.87 feet at 345 p.m. The Wissahickon Creek at its mouth within Philadelphia had moderate flooding and was above its 5 foot flood stage from 956 a.m. EDT through 801 p.m. It crested at 7.23 feet at 415 p.m. The runoff from the morning heavy rain on the 13th continued flooding along the Brandywine Creek into the night of the 13th. Heavier rain fell in Chester County. The Brandywine Creek at Chadds Ford had moderate flooding and was above its 9 foot flood stage from 2 p.m.