2,274 first-hand accounts of flood events in Pennsylvania, ranked by impact. Each is a NOAA-written narrative of the moment.
The combination of a very slow moving cold front and copious moisture from the remnants of Tropical Storm Tammy produced persistent and very heavy rain across Bucks County from the early morning into the afternoon of the 8th.
Read the full account →Heavy rain associated with a stalled frontal boundary, interacting with the remnants of a weak tropical system, caused flash flooding throughout central and eastern Pennsylvania from June 27 through June 28.
Read the full account →Heavy rain started minor flooding across Lancaster county during the early afternoon of Friday June 21st. By mid evening, significant flooding began.
Read the full account →The combination of the remnants of Tropical Storm Ernnesto and a large high pressure system over eastern Canada produced heavy rain and winds over Montgomery County. The heavy rain also claimed the life of one man.
Read the full account →Two people died in Blair County. One was a drowning directly related to the flooding, and the second a heart attack. A 17 year male was walking home from a store near Geeseytown when he was trapped by rising water on the Frankstown branch of the Juniata River.
Read the full account →A 13-year-old boy drowned while swimming in the Tookany Creek in Philadelphia. Four boys were swimming in the creek when a thunderstorm occurred. The heavy rain caused a rapid and significant, but within bankfull rise of the creek.
Read the full account →One flood related death occurred in Cumberland County. A 32 year old male drove aroud a barricade near Middlesex. He abandoned his car in the water and was on foot when he fell through ice on the north side of a flooded roadway around 330 am in the morning of January 21st,…
Read the full account →A stationary frontal system over northeastern Pennsylvania combined with a weak upper level disturbance to focus heavy rain producing thunderstorms over the area.
Read the full account →Heavy rain with little, if any, lightning moved along a stationary front in a tropical environment. Moisture was plentiful, with precipitable water values of over 2 inches.
Read the full account →A stationary frontal system over northeastern Pennsylvania combined with a weak upper level disturbance to focus heavy rain producing thunderstorms over the area.
Read the full account →A deep stream of moisture was pulled northwestward from the Atlantic Ocean into the mountains of south-central Pennsylvania around an upper level low centered over the Ohio Valley during the afternoon and evening hours of May 13. 2025.
Read the full account →A stationary frontal system over northeastern Pennsylvania combined with a weak upper level disturbance to focus heavy rain producing thunderstorms over the area.
Read the full account →A strong mid-level trough and an associated frontal zone crossed through the|Mid-South and took aim on the OH Valley. Strong forcing associated the energy aloft coupled with a gradually destabilizing boundary layer out ahead it set the stage for areas of locally heavy showers…
Read the full account →A slow-moving cold front was draped west to east across the southern Great Lakes during the day of June 18th, 2025, with low pressure near Chicago drifting east toward southern Ontario.
Read the full account →Post Tropical Cyclone Ida brought heavy rain to eastern Pennsylvania on September 1. Rainfall totals were as high as 5 to 10 inches. The heavy rain caused significant flash flooding, mainly in the southeastern part of the state. It resulted in widespread property damage.
Read the full account →A deep plume of tropical moisture had spread over Northeast Pennsylvania ahead of the remnants of Tropical Storm Debby. Prolonged torrential rains blanketed the region during the night and early morning hours before becoming enhanced by the approaching tropical remnants.
Read the full account →A deep plume of tropical moisture had spread over Northeast Pennsylvania ahead of the remnants of Tropical Storm Debby. Prolonged torrential rains blanketed the region during the night and early morning hours before becoming enhanced by the approaching tropical remnants.
Read the full account →A stationary frontal system over northeastern Pennsylvania combined with a weak upper level disturbance to focus heavy rain producing thunderstorms over the area.
Read the full account →New record high monthly mean water levels were set on Lakes Michigan-Huron, St. Clair, and Erie in March 2020. All three lakes surpassed their previous records set in 1986.
Read the full account →Post Tropical Cyclone Ida brought heavy rain to eastern Pennsylvania on September 1. Rainfall totals were as high as 5 to 10 inches. The heavy rain caused significant flash flooding, mainly in the southeastern part of the state. It resulted in widespread property damage.
Read the full account →A strong area of low pressure system moved up the Ohio Valley and into Ontario on October 31, 2019. Strong southwest sustained winds up to 30 mph with gusts up to 60 mph occurred with this system as it deepened across Ohio in the evening hours.
Read the full account →Rain during the morning of July 9th helped to saturate the ground, and additional thunderstorms in an anomalously high moisture environment during the early evening hours created flash flooding.
Read the full account →A deep plume of tropical moisture had spread over Northeast Pennsylvania ahead of the remnants of Tropical Storm Debby. Prolonged torrential rains blanketed the region during the night and early morning hours before becoming enhanced by the approaching tropical remnants.
Read the full account →A strengthening coastal low pressure system brought several rounds of rain to the region Sunday night into Monday (December 17-18th). Total rainfall amounts across the forecast area varied from about 1.50 inches up to 7.00 inches.
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