Alert Details
At 521 PM EDT, local law enforcement reported thunderstorms producing heavy rain across the warned area. Between 0.5 and 1.5 inches of rain have fallen. The expected rainfall rate is 1 to 3 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Law enforcement reported flooded roadways in Greensburg. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Greensburg, Latrobe, Mount Pleasant, Scottdale, McChesneytown-Loyalhanna, Youngwood, Derry, West Newton, Lawson Heights, New Stanton, Perryopolis, Calumet-Norvelt, Everson, New Alexandria, Smithton, Madison, Arona, Youngstown, Hunker and Crabtree.