2,274 first-hand accounts of flood events in Pennsylvania, ranked by impact. Each is a NOAA-written narrative of the moment.
Monroeton on the Towanda Creek went over its flood stage of 13 feet at 9:45 PM on November 29th. The river crested at 15.74 feet at 12:30 AM on the 30th before falling back below flood stage at 7:29 AM also on the 30th. This was the fourth highest river stage on record.
Read the full account →Thunderstorms developed ahead of a cold front advancing eastward through the Ohio Valley. The storms produced isolated wind damage and several areas of locally heavy rainfall from the late afternoon hours through the overnight period.
Read the full account →A slow moving cold front and a moist unstable airmass combined to produce scattered severe thunderstorms and flash flooding across eastern Ohio and Western Pennsylvania.
Read the full account →Three separate mesoscale convective systems moved across Southeast Ohio, Western Pennsylvania, Northern West Virginia, and Garrett county Maryland. Widespread wind damage, flash flooding, and an EF0 tornado occurred during the event.
Read the full account →A strong low pressure system moved across the Upper Ohio Valley bringing heavy rain as well as a line of severe thunderstorms. Flooding of streams and creeks was widespread across eastern Ohio and western Pennsylvania.
Read the full account →A strong low pressure system moved across the Upper Ohio Valley bringing heavy rain as well as a line of severe thunderstorms. Flooding of streams and creeks was widespread across eastern Ohio and western Pennsylvania.
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 →A deepening low pressure system, originating from the southern plains, moved towards the western Great Lakes on Wednesday March 9th. A wintry mix of precipitation changed over to all rain as the warm front associated with this system pushed across the region on Wednesday…
Read the full account →A deepening low pressure system, originating from the southern plains, moved towards the western Great Lakes on Wednesday March 9th. A wintry mix of precipitation changed over to all rain as the warm front associated with this system pushed across the region on Wednesday…
Read the full account →A deepening low pressure system, originating from the southern plains, moved towards the western Great Lakes on Wednesday March 9th. A wintry mix of precipitation changed over to all rain as the warm front associated with this system pushed across the region on Wednesday…
Read the full account →A deepening low pressure system, originating from the southern plains, moved towards the western Great Lakes on Wednesday March 9th. A wintry mix of precipitation changed over to all rain as the warm front associated with this system pushed across the region on Wednesday…
Read the full account →By 718 PM EDT on 8th, basements were flooded in Cranberry. By 922 PM, Mercer and Addams Roads flooded in Polk; Cherry Tree Rd and Rte 417 flooded near Franklin; and Rte 8 north of Oil City was flooded.
Read the full account →A low pressure system and its associated warm front were slowly progressing through the Ohio valley bringing numerous rounds of showers and thunderstorms.
Read the full account →A low pressure system and its associated warm front were slowly progressing through the Ohio valley bringing numerous rounds of showers and thunderstorms.
Read the full account →Heavy rainfall spread into northern Pennsylvania as an intense area of low pressure tracked from southern Indiana Tuesday morning on the 17th to northeast of Lake Huron on the morning of the 18th and through eastern Canada Wednesday afternoon and evening.
Read the full account →Tropical moisture continued to stream northward into Pennsylvania ahead of a frontal system which slowly moved westward into the eastern Great Lakes by Tuesday morning the 27th.
Read the full account →A front from southern New England to near Washington D.C Sunday morning the 25th moved slowly west to a position from just north of New England south-southwest across the Adirondacks through central New York and then down the spine of the Appalachians by Monday morning the 26th.
Read the full account →A strong low pressure system tracked northeast from Kentucky to western New York state during the daylight hours on Thursday the 16th. A large fetch of Gulf and Atlantic moisture was pulled northward ahead of the cold front, which produced a squall line of thunderstorms.
Read the full account →A strong low pressure system tracked northeast from Kentucky to western New York state during the daylight hours on Thursday the 16th. A large fetch of Gulf and Atlantic moisture was pulled northward ahead of the cold front, which produced a squall line of thunderstorms.
Read the full account →A strong low pressure system tracked northeast from Kentucky to western New York state during the daylight hours on Thursday the 16th. A large fetch of Gulf and Atlantic moisture was pulled northward ahead of the cold front, which produced a squall line of thunderstorms.
Read the full account →An upper level low pressure system interacting with abundant tropical moisture from the remnants of what had been Tropical Storm Nicole dropped 2 to 7 inches of rain across northeast Pennsylvania.
Read the full account →An upper level low pressure system interacting with abundant tropical moisture from the remnants of what had been Tropical Storm Nicole dropped 2 to 7 inches of rain across northeast Pennsylvania.
Read the full account →An upper level low pressure system interacting with abundant tropical moisture from the remnants of what had been Tropical Storm Nicole dropped 2 to 7 inches of rain across northeast Pennsylvania.
Read the full account →Torrential thunderstorm rains over a short duration produced flash flooding across the lower Susquehanna Valley during the mid to late afternoon. The very heavy rain caused significant flash flooding in downtown Harrisburg, northern York County and southern Adams County.
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