At 512 PM EDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain between Newville and Dillsburg. Between 2.5 and 3 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
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... Carlisle, Mechanicsburg, Plainfield, Schlusser, Boiling Springs, Dillsburg, Mount Holly Springs, Newville, New Kingstown, Bloserville, Siddonsburg, Franklintown, Wellsville, Newburg, Penn State Dickinson School Of Law, Messiah College and Ski Roundtop Ski Area.