The following events were reported: Flash Flood, Heavy Rain. These occurred near station USW00094823, approximately 19.8612 km away, between 2018-06-20 15:17:00 and 2018-06-21 01:30:00.The events resulted in 1 injuries and 0 fatalities. The events caused property damage valued at 10200000.0 and crop damage of 102000.0. Episode Narrative: Heavy rain with little, if any, lightning moved along a stationary front in a tropical environment. Moisture was plentiful, with precipitable water values of over 2 inches. Rainfall totals reached levels that were 350% of flash flood guidance, with 1-hour rainfall totals approaching levels that were 350% above guidance and had a 0.5% annual occurrence probability. Allegheny County activated their EOC due to the flooding and severe weather. Numerous flooding incidents were reported, and approximately 66 water rescues were needed throughout the county. Flooding damaged a number of basement foundations. Bethel Park partially activated their EOC for massive flooding. Here, water rescues occurred in the area of the Trolley Stop Inn, with 27 persons requiring rescue. Water rescues were conducted from Scott Township to Bridgeville Borough. One female was killed in Bridgeville Borough. She left her trapped car and was swept away by flood waters. Bethel Park submitted a municipal disaster declaration. ||In Westmoreland County, flash floods and heavy rains occurred throughout the Ligonier Borough, Ligonier Township, Cook Township areas of the of the Loyalhanna and Mill Creek watershed in Westmoreland County causing localized flooding, road closures, wires down, and requiring multiple water rescues to be conducted of individuals in vehicles in flooded roadways. The Ligonier Valley area in eastern Westmoreland County was especially hard hit by flooded roadways that necessitated water rescues. The Westmoreland County EOC was activated for the flooding. The Johnstown, Cambria County Fire Department Swift Water Rescue Team was dispatched to assist in Ligonier Township. Several areas in the county experienced heavy basement flooding and Cook Township had first floor flooding of a residence on Green Hollow Lane that required three occupants to be rescued from a rooftop. Four adults, two children, and one dog were evacuated from two other residences. Residential flooding occurred in the area of Snowman Lane and Blouch Lane that required a water rescue of one resident. Heavy rain with little, if any, lightning moved along a stationary front in a tropical environment. Event Narrative: The 911 Call Center has reported that the bottom of Mahoney Road, near Cliff Mine Road, is completely closed due to flooding. The 911 Call Center has reported that Saw Mill Run Boulevard (Outbound) is closed from I-376 to Bausman Street due to flooding. The 911 Call Center has reported that a number of roads in southern Bethel Park have been flooded and/or impassable. This roads include: Glendale Drive, Logan Road, O'Neill Drive, Dashwood Drive (vehicle was stuck in water). Water entered the Trolley Stop Inn restaurant, cars in the parking lot were submerged (some floating); customers had to be rescued from the building. Local newspaper reports say at least 400 homes have been damaged and two homes were damaged so severely that they became uninhabitable. There was 1 direct injury; a young man was sucked into a storm drain while helping others trapped in the flood. He received a few bruises for this incident. The 911 Call Center reported a number of roads flooded around Hickory. The 911 Call Center reported a number of roads were flooded in Peters Township. The 911 Call Center reported multiple roads in Hopewell Township were flooded. The 911 Call Center reported that a female became trapped in her car on McLaughlin Run Road. She got out of her vehicle and attempted to walk home, however she was swept away by the flood waters of McLaughlin Run and carried about 2 miles downstream. Her body was found the next morning. A number of small bridges were destroyed along McLaughlin Run Road and near McMillian Road. Parked cars were sweep downstream along McLaughlin Run and were destroyed. An Outback Steakhouse had severe water damage. A state of emergency was declared in Upper St. Clair; Allegheny County officials had at least 66 swift water rescues (CBS Pittsburgh). The 911 Call Center reported that Campbells Run is overflowing its banks and flooding nearby roadways (including Campbells Run Road). A NWS Employee measured 2.98 inches between 8:45pm and 10:30pm. The 911 Call Center reported that 8th Avenue at Waterfront Drive is closed due to flooding. The 911 Call Center reported 2400 Block of Lebanon Church Road had a vehicle stuck in flood waters. The 911 Call Center reported that the 3000 Block of Banksville Road had multiple vehicles in flood waters. Broadcast media reported flooding on Tolma Avenue with cars submerged half way. The 911 Call Center reported that 800 Block of McNeilly Road is flooded. Also Library Road at Valley Drive is closed due to flooding. The 911 call center reported that the 1000 block of Washington Avenue has six vehicles stuck in rising flood waters. The Department of Transportation reports that US22 in both directions at exit East I-376/US22 is flooding.