2,274 first-hand accounts of flood events in Pennsylvania, ranked by impact. Each is a NOAA-written narrative of the moment.
Showers and thunderstorms, some of which where severe, developed in a rather unstable environment with modest shear, in the afternoon and evening of the 28th.
Read the full account →Showers and thunderstorms, some of which where severe, developed in a rather unstable environment with modest shear, in the afternoon and evening of the 28th.
Read the full account →Repeated thunderstorms with torrential downpours caused flash flooding of streams and creeks in the southeast half of Berks County. Birdsboro Borough was hit the hardest as a flooding Hay Creek caused roadway and home damage.
Read the full account →Several days of heavy rain throughout the Lehigh River Basin culminated with flooding along the main stem of the Lehigh River. President George W. Bush declared Carbon County a disaster area.
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 →Warm and excessively humid conditions beneath a weak area of high pressure led to the development of numerous thunderstorms around the region. These storms moved very slowly across the area due to light steering winds.
Read the full account →Yet another day of showers and thunderstorms with heavy rain passed over Allegheny county, Pennsylvania. After 3 prior days of rain, flash flood guidance was less than an inch over the region.
Read the full account →A series of thunderstorms with torrential downpours caused widespread poor drainage and stream flooding in lower Montgomery County. Numerous vehicles were stranded in high water with many rescues performed. Several roads and bridges were damaged by flooding streams.
Read the full account →A hot and humid airmass over the Ohio Valley was broken up on the 10th by a shortwave trough and a surface cold front that came moved through during the afternoon hours.
Read the full account →The combination of snowmelt from the previous week's two storms, unseasonably warm temperatures and an additional one to two inches of rain caused the flash flooding of almost every small stream and significant roadway flooding the afternoon and early evening hours on the 19th.
Read the full account →Widespread heavy rains of between 2.0 and 3.0 inches fell across southwest Pennsylvania on February 18th. This rain fell onto ground that was already nearly saturated from heavy rainfall a few days earlier.
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 →At 410 PM EDT on 17th, Rte 66 closed by flood in Shippenville. New Bethlehem, Hawthorn, East Brady, and Sligo also flooded. At 646 PM on 17th, there was a mud slide on the south side of New Bethlehem. Rte 58 also flooded.
Read the full account →A lingering mesoscale convective vortex over northwest Ohio that is acting as a trigger for developing thunderstorms on its eastern flank. 850-300mb mean steering flow, suggested at storm motion had the potential to slow down and create flash flooding in regions downstream (i.e.
Read the full account →On the Monongahela River near record flooding occurred at all Pennsylvania forecast points, except where record flooding occurred at Lock 2 Braddock. The crest at Lock 2 actually exceeded the crest during the flood of November 1985 by almost a foot.
Read the full account →Thunderstorms moved through northeastern Pennsylvania on this evening with torrential rainfall repeatedly moving over the same locations. Flash flooding was reported along several streams in the southeastern portion of Bradford county, particularly near the hamlet of South…
Read the full account →Low pressure over the Ohio Valley allowed southeast winds out ahead of the storm system to draw in deep Atlantic moisture across Eastern Pennsylvania. This combined with an upper level disturbance sweeping through the area produced widespread moderate to heavy rainfall.
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 →Slow moving, heavy rain producing thunderstorms crossed the metropolitan areas of Northeast Pennsylvania during the late afternoon and evening. Rainfall amounts between 3 and 6 inches over a span from 90 minutes to 2 hours were common in many areas.
Read the full account →A shield of moderate to heavy rainfall, associated with the remnants of tropical cyclone Ida, moved from the DelMarVa peninsula to New England.
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.
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