2,274 first-hand accounts of flood events in Pennsylvania, ranked by impact. Each is a NOAA-written narrative of the moment.
A front, which has been lingering north of our area, marched south on July 6th and brought damaging storms and widespread flooding. Sufficiently strong mid-level flow supported damaging wind in some cases. However, the main impacts were from flash flooding.
Read the full account →A front, which has been lingering north of our area, marched south on July 6th and brought damaging storms and widespread flooding. Sufficiently strong mid-level flow supported damaging wind in some cases. However, the main impacts were from flash flooding.
Read the full account →The remnants of Tropical Storm Lee moved northward from the southern Appalachians on the 6th to the middle Atlantic states on the 7th before stalling on the 8th.
Read the full account →The remnants of Tropical Storm Lee moved northward from the southern Appalachians on the 6th to the middle Atlantic states on the 7th before stalling on the 8th.
Read the full account →The remnants of Tropical Storm Lee moved northward from the southern Appalachians on the 6th to the middle Atlantic states on the 7th before stalling on the 8th.
Read the full account →A low pressure system located over southern Ontario along with surface boundaries in the vicinity of northeast Pennsylvania resulted in severe thunderstorms during the late afternoon and evening hours.
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 →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 →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 →A north-south oriented stationary front extended along the spine of the Appalachian mountains through Pennsylvania and into the southern counties of New York state. A stronger cold front was pushing in from the Great Lakes.
Read the full account →A north-south oriented stationary front extended along the spine of the Appalachian mountains through Pennsylvania and into the southern counties of New York state. A stronger cold front was pushing in from the Great Lakes.
Read the full account →A north-south oriented stationary front extended along the spine of the Appalachian mountains through Pennsylvania and into the southern counties of New York state. A stronger cold front was pushing in from the Great Lakes.
Read the full account →A north-south oriented stationary front extended along the spine of the Appalachian mountains through Pennsylvania and into the southern counties of New York state. A stronger cold front was pushing in from the Great Lakes.
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 →An upper level disturbance produced showers and thunderstorms with heavy rainfall across western Pennsylvania and the northern West Virginia Panhandle. Flooding of roadways and areas of poor drainage was reported.
Read the full account →Hurricane Floyd battered Eastern Pennsylvania (especially Southeast sections around Philadelphia) on September 16th and brought with it torrential and in some places record breaking rains and damaging winds.
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 →The remnants of Hurricane Ivan interacting with a slowly moving cold front caused widespread very heavy rain to fall during the first half of the day on the 18th in Northampton County.
Read the full account →The remnants of Hurricane Ivan interacting with a slowly moving cold front caused widespread very heavy in the upper part of Bucks County during the first half of the day on the 18th. Very heavy rain also fell in the upper and middle sections of the Delaware River Valley.
Read the full account →A series of thunderstorms that moved across the same region (called training) around and just after Midnight EDT on the 27th caused flash flooding of streams and poor drainage flooding in Chester, Montgomery and Bucks Counties.The run-off from those thunderstorms and other…
Read the full account →A series of showers and thunderstorms withe heavy rain caused flash flooding in parts of the Lehigh Valley, Poconos and Philadelphia northwest suburbs during the morning of the 1st. While additional showers and thunderstorms occurred during the afternoon, they were not as heavy.
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.
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