2,274 first-hand accounts of flood events in Pennsylvania, ranked by impact. Each is a NOAA-written narrative of the moment.
A passing shortwave trough and surface cold front brought scattered showers and thunderstorm on July 11th. Increasing shear, building instability, and mid-level dry resulted in a few strong storms across the area.
Read the full account →A passing shortwave trough and surface cold front brought scattered showers and thunderstorm on July 11th. Increasing shear, building instability, and mid-level dry resulted in a few strong storms across the area.
Read the full account →A passing shortwave trough and surface cold front brought scattered showers and thunderstorm on July 11th. Increasing shear, building instability, and mid-level dry resulted in a few strong storms across the area.
Read the full account →A passing shortwave trough and surface cold front brought scattered showers and thunderstorm on July 11th. Increasing shear, building instability, and mid-level dry resulted in a few strong storms across the area.
Read the full account →A passing shortwave trough and surface cold front brought scattered showers and thunderstorm on July 11th. Increasing shear, building instability, and mid-level dry resulted in a few strong storms across the area.
Read the full account →Warm and humid air was in place across the region as a slow moving frontal system drifted into Northeast Pennsylvania. An upper level disturbance passed over the frontal boundary during the afternoon, triggering numerous torrential rain producing thunderstorms.
Read the full account →Warm and humid air was in place across the region as a slow moving frontal system drifted into Northeast Pennsylvania. An upper level disturbance passed over the frontal boundary during the afternoon, triggering numerous torrential rain producing thunderstorms.
Read the full account →Showers and thunderstorms, some of which were severe developed with support from an upper shortwave in advance of a cold front early on the 1st.
Read the full account →A cold front moved across New York and became stationary over northeast Pennsylvania during the late afternoon. Torrential rain producing thunderstorms formed within the tropical-like environment and moved slowly over the same areas.
Read the full account →Deep tropical-like moisture lingered over the region as an upper level disturbance and slow moving surface front drifted into northern Pennsylvania. Thunderstorms continually developed over the area, producing significant amounts of rainfall in a short amount of time.
Read the full account →Deep tropical-like moisture lingered over the region as an upper level disturbance and slow moving surface front drifted into northern Pennsylvania. Thunderstorms continually developed over the area, producing significant amounts of rainfall in a short amount of time.
Read the full account →On July 28th, thunderstorms produced a macroburst which blew across portions of Western Pennsylvania. the macroburst started at around 9 AM EST and marched across the region through the late morning hours.
Read the full account →On July 28th, thunderstorms produced a macroburst which blew across portions of Western Pennsylvania. the macroburst started at around 9 AM EST and marched across the region through the late morning hours.
Read the full account →Slow-moving thunderstorms produced between 2.5 and 3 inches of rainfall over extreme northeast Fayette and southwest Westmoreland Counties in just under two hours.
Read the full account →A week after a flash flood even in eastern Erie County, another heavy rain event came through with 3 to 5 inches of rain. The hardest hit areas were Summit, McKean, and Greene Townships in eastern Erie County.
Read the full account →The remnants of Sandy brought a variety of weather impacts to western Pennsylvania, eastern Ohio, northern West Virginia, and Garrett county Maryland as the storm made landfall and interacted with a cold front essentially right over the region.
Read the full account →The remnants of Sandy brought a variety of weather impacts to western Pennsylvania, eastern Ohio, northern West Virginia, and Garrett county Maryland as the storm made landfall and interacted with a cold front essentially right over the region.
Read the full account →A deep upper trough and low pressure moving across the Ohio Valley pushed warm and humid air northward ahead of a cold front moving east with the surface low.
Read the full account →The strong southeast wind up the Delaware Bay and River combined with the already high astronomical tides associated with the full moon and fresh water runoff from heavy rain to produce severe tidal flooding along the Delaware River and tidal sections of its tributaries during…
Read the full account →Thunderstorms with very heavy downpours produced flash flooding in the Lehigh Valley and far southeast Pennsylvania during the afternoon and evening of the 14th.
Read the full account →Irene produced heavy flooding rain, tropical storm force wind gusts with hundreds of thousands of outages, moderate tidal flooding along the Delaware River and one flooding related death in Eastern Pennsylvania over the weekend of August 27th and 28th.
Read the full account →Heavy rainfall from the remnants of Tropical Storm Lee produced widespread flooding, flash flooding and river flooding mainly near and to the east of the Susquehanna Valley from September 4-10.
Read the full account →Heavy rainfall from the remnants of Tropical Storm Lee produced widespread flooding, flash flooding and river flooding mainly near and to the east of the Susquehanna Valley from September 4-10.
Read the full account →A developed mesoscale convective system moved through the region during the early morning hours of July 20th. As a result, severe flooding and damaging winds occurred.
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