2,274 first-hand accounts of flood events in Pennsylvania, ranked by impact. Each is a NOAA-written narrative of the moment.
A strong isolated storm created heavy downpours and tree damage to portions to Carnegie, PA June 8th. At the time of the storm, the region was still under a ridge. Day time heating and deep moisture created enough instability aloft to help thunderstorm development.
Read the full account →A stationary frontal boundary draped over Northeast Pennsylvania triggered isolated, slow moving thunderstorms with heavy rain during the early to mid-afternoon.
Read the full account →A cold front pushed south into the area and stalled, as a strong low pressure system moved northeast along the boundary. While areas north and along the frontal boundary received mixed precipitation, heavy rain fell to the south.
Read the full account →By 730 AM, the combined effects of rain, snow melt, and ice jam movement flooded basements in southern Allegheny County; and near Everson in Westmoreland Co. By 810 AM, Armstrong, Beaver, and Butler counties reported widespread flooding.
Read the full account →By 730 AM, the combined effects of rain, snow melt, and ice jam movement flooded basements in southern Allegheny County; and near Everson in Westmoreland Co. By 810 AM, Armstrong, Beaver, and Butler counties reported widespread flooding.
Read the full account →Multiple rounds of thunderstorms, first from a decaying morning mesoscale convective system and later forming on outflow from earlier activity, produced heavy rainfall on July 1st.
Read the full account →Multiple rounds of thunderstorms, first from a decaying morning mesoscale convective system and later forming on outflow from earlier activity, produced heavy rainfall on July 1st.
Read the full account →Multiple rounds of thunderstorms, first from a decaying morning mesoscale convective system and later forming on outflow from earlier activity, produced heavy rainfall on July 1st.
Read the full account →Multiple rounds of thunderstorms, first from a decaying morning mesoscale convective system and later forming on outflow from earlier activity, produced heavy rainfall on July 1st.
Read the full account →Multiple rounds of thunderstorms, first from a decaying morning mesoscale convective system and later forming on outflow from earlier activity, produced heavy rainfall on July 1st.
Read the full account →Multiple rounds of thunderstorms, first from a decaying morning mesoscale convective system and later forming on outflow from earlier activity, produced heavy rainfall on July 1st.
Read the full account →Multiple rounds of thunderstorms, first from a decaying morning mesoscale convective system and later forming on outflow from earlier activity, produced heavy rainfall on July 1st.
Read the full account →Numerous showers and storms developed ahead of an approaching cold front on June 26, 2024. Some of these storms became severe, producing sporadic wind damage and a few severe hail reports across central Pennsylvania.
Read the full account →Numerous showers and storms developed ahead of an approaching cold front on June 26, 2024. Some of these storms became severe, producing sporadic wind damage and a few severe hail reports across central Pennsylvania.
Read the full account →Numerous showers and storms developed ahead of an approaching cold front on June 26, 2024. Some of these storms became severe, producing sporadic wind damage and a few severe hail reports across central Pennsylvania.
Read the full account →A shortwave trough over the Great Lakes interacting with a quasi-stationary boundary over eastern Ohio and western PA spawned severe weather from mid afternoon through late evening.
Read the full account →Heavy thunderstorm rain caused flooding of creeks, streets, basements and low lying areas. A creek in West Springfield was out of its banks. Roads were flooded in Girard and Lawrence Park. A creek was out of its banks and many side streets were flooded in Mill Creek Township.
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 slow moving cold front moved northeastward toward northern Pennsylvania, and through the region on the 25th. A surge of deep moisture associated with this system produced a period of heavy rain from late on the 24th, through the morning hours on the 25th.
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 →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 →A low pressure system and its associated warm front were slowly progressing through the Ohio valley bringing numerous rounds of showers and thunderstorms.
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