2,274 first-hand accounts of flood events in Pennsylvania, ranked by impact. Each is a NOAA-written narrative of the moment.
By 7 PM EDT on 8th, Wexford Run flooded in Ross Twp; Babcock Blvd flooded in McCandless Twp; creeks were flooding Shaler Twp; Streets Run Rd was flooded in Baldwin. By 948 PM, people were being evacuated in Bell Acres because of flooding after 6 inches of rain.
Read the full account →A surface low pressure system was moving across the upper Ohio Valley towards the Pittsburgh area associated with showers. As the system moved over Allegheny County, it strengthened and spawned heavy rain with windy conditions.
Read the full account →A stalled frontal boundary was the focus for showers and thunderstorms to develop and train across portions of eastern Ohio, the northern West Virginia panhandle, and western Pennsylvania producing flash flooding and flooding.
Read the full account →Low pressure moving across the Upper Ohio Valley helped initiate showers and storms, some of which produced heavy rain, gusty wind, and isolated large hail across the region on the 5th.
Read the full account →Low pressure moving across the Upper Ohio Valley helped initiate showers and storms, some of which produced heavy rain, gusty wind, and isolated large hail across the region on the 5th.
Read the full account →Low pressure moving across the Upper Ohio Valley helped initiate showers and storms, some of which produced heavy rain, gusty wind, and isolated large hail across the region on the 5th.
Read the full account →Low pressure moving across the Upper Ohio Valley helped initiate showers and storms, some of which produced heavy rain, gusty wind, and isolated large hail across the region on the 5th.
Read the full account →Low pressure moving across the Upper Ohio Valley helped initiate showers and storms, some of which produced heavy rain, gusty wind, and isolated large hail across the region on the 5th.
Read the full account →Thunderstorms developed along a wavy frontal boundary across parts of eastern Ohio and much of southwest Pennsylvania the afternoon of the 14th into the early morning of the 15th.
Read the full account →Thunderstorms developed along a wavy frontal boundary across parts of eastern Ohio and much of southwest Pennsylvania the afternoon of the 14th into the early morning of the 15th.
Read the full account →Thunderstorms developed along a wavy frontal boundary across parts of eastern Ohio and much of southwest Pennsylvania the afternoon of the 14th into the early morning of the 15th.
Read the full account →Thunderstorms developed along a wavy frontal boundary across parts of eastern Ohio and much of southwest Pennsylvania the afternoon of the 14th into the early morning of the 15th.
Read the full account →Thunderstorms developed along a wavy frontal boundary across parts of eastern Ohio and much of southwest Pennsylvania the afternoon of the 14th into the early morning of the 15th.
Read the full account →Thunderstorms developed along a wavy frontal boundary across parts of eastern Ohio and much of southwest Pennsylvania the afternoon of the 14th into the early morning of the 15th.
Read the full account →Thunderstorms developed along a wavy frontal boundary across parts of eastern Ohio and much of southwest Pennsylvania the afternoon of the 14th into the early morning of the 15th.
Read the full account →Thunderstorms developed along a wavy frontal boundary across parts of eastern Ohio and much of southwest Pennsylvania the afternoon of the 14th into the early morning of the 15th.
Read the full account →Thunderstorms developed along a wavy frontal boundary across parts of eastern Ohio and much of southwest Pennsylvania the afternoon of the 14th into the early morning of the 15th.
Read the full account →Daytime heating during the afternoon and evening hours of September 23, 2025 allowed for convection to occur across portions of the Lower Susquehanna Valley in an environment with ample moisture and low steering flow aloft allowing for slow-moving thunderstorms.
Read the full account →Daytime heating during the afternoon and evening hours of September 23, 2025 allowed for convection to occur across portions of the Lower Susquehanna Valley in an environment with ample moisture and low steering flow aloft allowing for slow-moving thunderstorms.
Read the full account →A strong area of low pressure tracked across the central Great Lakes during the morning hours of the 29th. A trough extending from the low pressure center passed over Northwest Pennsylvania causing moderate to heavy rainfall through the early morning hours and into the…
Read the full account →A powerful cold front and upper level trough pushed across the Upper Ohio Valley on July 10th producing widespread severe weather and flash flooding from eastern Ohio, northern West Virginia, and western Pennsylvania. This included 3 separate tornadoes.
Read the full account →Two to four inches of rain fell on Erie County on September 8th through the early morning hours of the 9th. This rain was associated with the remnants of Tropical Storm Frances. Runoff from the rain caused lowland flooding to begin during the evening hours.
Read the full account →Heavy rain fell from May 31st into the 1st of June. This rain combined with additional water from an overtopped dam, washed out Smallacombe Drive where Leach Creek goes under it. The overtopped dam was around a mile upstream of Smallacombe Drive.
Read the full account →An outflow boundary situated over interstate 80 became the focus for thunderstorm development as several upper level disturbances rounded a flattening ridge over the plains.
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