2,274 first-hand accounts of flood events in Pennsylvania, ranked by impact. Each is a NOAA-written narrative of the moment.
Unusually strong upper low for July dropped from the Great Lakes into western PA. A trowal/deformation zone set up over most of the area outside of southeast Ohio, producing torrential rainfall.
Read the full account →Unusually strong upper low for July dropped from the Great Lakes into western PA. A trowal/deformation zone set up over most of the area outside of southeast Ohio, producing torrential rainfall.
Read the full account →A series of shortwaves and an approaching cold front produced rounds of showers and thunderstorms on the 5th and early on the 6th. A break in the precipitation in the afternoon allowed for sufficient heating and modest instability to support some strong to severe storms in the…
Read the full account →Remnants of tropical storm Cindy interacted with a southward moving cold front in the afternoon of June 23rd. In addition to heavy rain and flooding concerns, especially with saturated antecedent conditions in several locations in southwest PA, severe thunderstorms were also…
Read the full account →Showers and thunderstorms developed along a warm front across northern Pennsylvania in the afternoon and evening of the 22nd. With a tropical air mass in place, rainfall became very efficient especially over southern Armstrong and central Indiana counties in Pennsylvania.
Read the full account →Remnants of tropical storm Cindy interacted with a southward moving cold front in the afternoon of June 23rd. In addition to heavy rain and flooding concerns, especially with saturated antecedent conditions in several locations in southwest PA, severe thunderstorms were also…
Read the full account →A strong low pressure system moved up the east coast producing heavy rain and strong winds. The strong winds took down trees across Berks county in such places as Bethel Township, Greenfield Manor, Schultzville, Birdsboro, Unionville and Mount Penn.
Read the full account →Unusually strong upper low for July dropped from the Great Lakes into western PA. A trowal/deformation zone set up over most of the area outside of southeast Ohio, producing torrential rainfall.
Read the full account →Unusually strong upper low for July dropped from the Great Lakes into western PA. A trowal/deformation zone set up over most of the area outside of southeast Ohio, producing torrential rainfall.
Read the full account →Unusually strong upper low for July dropped from the Great Lakes into western PA. A trowal/deformation zone set up over most of the area outside of southeast Ohio, producing torrential rainfall.
Read the full account →Unusually strong upper low for July dropped from the Great Lakes into western PA. A trowal/deformation zone set up over most of the area outside of southeast Ohio, producing torrential rainfall.
Read the full account →Showers and thunderstorms, some of which where severe, developed in a rather unstable environment with modest shear, in the afternoon and evening of the 28th.
Read the full account →Showers and thunderstorms, some of which where severe, developed in a rather unstable environment with modest shear, in the afternoon and evening of the 28th.
Read the full account →A stationary front continued to linger in the vicinity of the Mason-Dixon Line. A marked temperature contrast existed across the front, with values in the 50s over northwestern Pennsylvania and numbers well into the 80s over northern West Virginia.
Read the full account →A lingering mesoscale convective vortex over northwest Ohio that is acting as a trigger for developing thunderstorms on its eastern flank. 850-300mb mean steering flow, suggested at storm motion had the potential to slow down and create flash flooding in regions downstream (i.e.
Read the full account →A mid-January thaw occurred for several days, allowing much of the snow pack to melt into river runoff. This combined with a moderate rainfall of 1 to 2 inches across the region was enough to loosen the river ice cover throughout central New York and northeast Pennsylvania.
Read the full account →A mid-January thaw occurred for several days, allowing much of the snow pack to melt into river runoff. This combined with a moderate rainfall of 1 to 2 inches across the region was enough to loosen the river ice cover throughout central New York and northeast Pennsylvania.
Read the full account →A mid-January thaw occurred for several days, allowing much of the snow pack to melt into river runoff. This combined with a moderate rainfall of 1 to 2 inches across the region was enough to loosen the river ice cover throughout central New York and northeast Pennsylvania.
Read the full account →A mid-January thaw occurred for several days, allowing much of the snow pack to melt into river runoff. This combined with a moderate rainfall of 1 to 2 inches across the region was enough to loosen the river ice cover throughout central New York and northeast Pennsylvania.
Read the full account →A mid-January thaw occurred for several days, allowing much of the snow pack to melt into river runoff. This combined with a moderate rainfall of 1 to 2 inches across the region was enough to loosen the river ice cover throughout central New York and northeast Pennsylvania.
Read the full account →A mid-January thaw occurred for several days, allowing much of the snow pack to melt into river runoff. This combined with a moderate rainfall of 1 to 2 inches across the region was enough to loosen the river ice cover throughout central New York and northeast Pennsylvania.
Read the full account →A mid-January thaw occurred for several days, allowing much of the snow pack to melt into river runoff. This combined with a moderate rainfall of 1 to 2 inches across the region was enough to loosen the river ice cover throughout central New York and northeast Pennsylvania.
Read the full account →A warm front was draped from northwest to southeast across central Pennsylvania on August 21, 2018, with scattered convection developing in the warmer air south and west of the front during the afternoon and evening hours.
Read the full account →A warm front was draped from northwest to southeast across central Pennsylvania on August 21, 2018, with scattered convection developing in the warmer air south and west of the front during the afternoon and evening hours.
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