2,274 first-hand accounts of flood events in Pennsylvania, ranked by impact. Each is a NOAA-written narrative of the moment.
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.
Read the full account →Unseasonably cool air associated with a strong upper level low over the Great Lakes region combined with warm Lake Erie waters to produce persistent, intense lake-enhanced rainfall which trained repeatedly over northern Erie County, Pennsylvania during the early morning hours of…
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.
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 →A slow moving storm from the Ohio Valley brought 2 to 4 inches of rain on April 2nd and 3rd. Before this storm, the rivers and streams had high flows due to a previous rainstorm March 28th and snowmelt. All towns were affected in the county by flash flooding.
Read the full account →Torrential downpours caused by successive thunderstorms caused flash flooding along the Monocacy Creek as well as urban and poor drainage flooding in the Lehigh Valley during the morning of the 10th.
Read the full account →Severe Thunderstorms developed as a cold front moved east under deepening low pressure moving into the Great Lakes the afternoon and evening of the 16th.
Read the full account →Severe Thunderstorms developed as a cold front moved east under deepening low pressure moving into the Great Lakes the afternoon and evening of the 16th.
Read the full account →Heavy rain and runoff from snowmelt caused widespread flooding throughout Northwest Pennsylvania during the first half of January. January 2005 was among the wettest January's ever. At Erie, 5.34 inches of precipitation was recorded making it the 4th wettest January ever.
Read the full account →Heavy rain and runoff from snowmelt caused widespread flooding throughout Northwest Pennsylvania during the first half of January. January 2005 was among the wettest January's ever. At Erie, 5.34 inches of precipitation was recorded making it the 4th wettest January ever.
Read the full account →A slow moving storm from the Ohio Valley brought 2 to 3 inches of rain on April 2nd and 3rd. Before this storm, the Susquehanna River at Waverly, NY / Sayre, PA was already above its 11 foot flood stage due to a previous rainstorm March 28th and snowmelt.
Read the full account →The Susquehanna River at Conklin, NY continued above its flood stage of 11 feet into April. This high water was due to 1 to 3 inches of rain and more snowmelt the last week of March. A slow moving storm from the Ohio Valley brought 2 to 3 inches of rain on April 2nd and 3rd.
Read the full account →A slow moving storm from the Ohio Valley brought 2 to 4 inches of rain on April 2nd and 3rd. Before this storm, the rivers had high flows due to a previous rainstorm March 28th and snowmelt. By the time the river fell below flood stage most of the snow had melted.
Read the full account →Widespread heavy rainfall of 2 to 4 inches produced extensive flooding across Central Pennsylvania for the first three days of December 2010. The heavy rain fell in two distinct periods with the first round of 1-2 inches falling by the evening of November 30th.
Read the full account →Widespread heavy rainfall of 2 to 4 inches produced extensive flooding across Central Pennsylvania for the first three days of December 2010. The heavy rain fell in two distinct periods with the first round of 1-2 inches falling by the evening of November 30th.
Read the full account →Widespread heavy rainfall of 2 to 4 inches produced extensive flooding across Central Pennsylvania for the first three days of December 2010. The heavy rain fell in two distinct periods with the first round of 1-2 inches falling by the evening of November 30th.
Read the full account →Widespread heavy rainfall of 2 to 4 inches produced extensive flooding across Central Pennsylvania for the first three days of December 2010. The heavy rain fell in two distinct periods with the first round of 1-2 inches falling by the evening of November 30th.
Read the full account →Widespread heavy rainfall of 2 to 4 inches produced extensive flooding across Central Pennsylvania for the first three days of December 2010. The heavy rain fell in two distinct periods with the first round of 1-2 inches falling by the evening of November 30th.
Read the full account →Widespread heavy rainfall of 2 to 4 inches produced extensive flooding across Central Pennsylvania for the first three days of December 2010. The heavy rain fell in two distinct periods with the first round of 1-2 inches falling by the evening of November 30th.
Read the full account →A weak cold front moved southeast across eastern Ohio and western Pennsylvania the afternoon and evening of the 28th. While some wind damage was reported, more significant flash flooding occurred over portions of Allegheny and Fayette counties in Pennsylvania, with the…
Read the full account →Severe Thunderstorms developed as a cold front moved east under deepening low pressure moving into the Great Lakes the afternoon and evening of the 16th.
Read the full account →Strong instability and deep moisture combined with a vigorous upper-level disturbance over the Lower Great Lakes and weak frontal boundary/inverted lee trough east of the Blue Ridge Mountains to produce isolated severe thunderstorms and localized heavy rainfall during the late…
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 cold front dropped across Pennsylvania during the afternoon hours of October 4th. A line of thunderstorms accompanied the front, dropping 1.0 to 1.5 inches of rain across urban portions of Allegheny and Westmoreland Counties in a short period of time.
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