2,274 first-hand accounts of flood events in Pennsylvania, ranked by impact. Each is a NOAA-written narrative of the moment.
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 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 →Several rounds of showers and thunderstorms prompted a widespread flash flood problems across the Ohio River Valley on April 2nd to April 3rd.
Read the full account →Several rounds of showers and thunderstorms prompted a widespread flash flood problems across the Ohio River Valley on April 2nd to April 3rd.
Read the full account →A warm front approaching central Pennsylvania in an environment of sufficient instability and shear allowed for thunderstorm formation during the late afternoon and evening hours, with multiple rounds of severe thunderstorms crossing the northern tier of Pennsylvania.
Read the full account →A warm front approaching central Pennsylvania in an environment of sufficient instability and shear allowed for thunderstorm formation during the late afternoon and evening hours, with multiple rounds of severe thunderstorms crossing the northern tier of Pennsylvania.
Read the full account →A warm front approaching central Pennsylvania in an environment of sufficient instability and shear allowed for thunderstorm formation during the late afternoon and evening hours, with multiple rounds of severe thunderstorms crossing the northern tier of Pennsylvania.
Read the full account →A warm front approaching central Pennsylvania in an environment of sufficient instability and shear allowed for thunderstorm formation during the late afternoon and evening hours, with multiple rounds of severe thunderstorms crossing the northern tier of Pennsylvania.
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 well-organized upper shortwave trough crossing the western Great Lakes and Ohio River Valley and associated cold front crossed the region. Warm, moist conditions across the Ohio River Valley along with limited cloud coverage resulted in increasing instability (2000-3000 J/kg)…
Read the full account →A well-organized upper shortwave trough crossing the western Great Lakes and Ohio River Valley and associated cold front crossed the region. Warm, moist conditions across the Ohio River Valley along with limited cloud coverage resulted in increasing instability (2000-3000 J/kg)…
Read the full account →A well-organized upper shortwave trough crossing the western Great Lakes and Ohio River Valley and associated cold front crossed the region. Warm, moist conditions across the Ohio River Valley along with limited cloud coverage resulted in increasing instability (2000-3000 J/kg)…
Read the full account →A well-organized upper shortwave trough crossing the western Great Lakes and Ohio River Valley and associated cold front crossed the region. Warm, moist conditions across the Ohio River Valley along with limited cloud coverage resulted in increasing instability (2000-3000 J/kg)…
Read the full account →A well-organized upper shortwave trough crossing the western Great Lakes and Ohio River Valley and associated cold front crossed the region. Warm, moist conditions across the Ohio River Valley along with limited cloud coverage resulted in increasing instability (2000-3000 J/kg)…
Read the full account →The remnants of Sandy brought a variety of weather impacts to western Pennsylvania, eastern Ohio, northern West Virginia, and Garrett county Maryland as the storm made landfall and interacted with a cold front essentially right over the region.
Read the full account →Strong low pressure tracked to the northwest of the forecast area on Tuesday into early Wednesday (January 9-10th). A cold front associated with the low swept through the region on Wednesday.
Read the full account →Strong low pressure tracked to the northwest of the forecast area on Tuesday into early Wednesday (January 9-10th). A cold front associated with the low swept through the region on Wednesday.
Read the full account →Strong low pressure tracked to the northwest of the forecast area on Tuesday into early Wednesday (January 9-10th). A cold front associated with the low swept through the region on Wednesday.
Read the full account →Strong low pressure tracked to the northwest of the forecast area on Tuesday into early Wednesday (January 9-10th). A cold front associated with the low swept through the region on Wednesday.
Read the full account →Warm advection ahead of low pressure pushing up the Ohio Valley produced a 4 to 6 hour period of moderate to heavy snow across the southern Allegheny Mountains of Pennsylvania during the morning of January 9, 2024.
Read the full account →Warm advection ahead of low pressure pushing up the Ohio Valley produced a 4 to 6 hour period of moderate to heavy snow across the southern Allegheny Mountains of Pennsylvania during the morning of January 9, 2024.
Read the full account →Warm advection ahead of low pressure pushing up the Ohio Valley produced a 4 to 6 hour period of moderate to heavy snow across the southern Allegheny Mountains of Pennsylvania during the morning of January 9, 2024.
Read the full account →Warm advection ahead of low pressure pushing up the Ohio Valley produced a 4 to 6 hour period of moderate to heavy snow across the southern Allegheny Mountains of Pennsylvania during the morning of January 9, 2024.
Read the full account →Warm advection ahead of low pressure pushing up the Ohio Valley produced a 4 to 6 hour period of moderate to heavy snow across the southern Allegheny Mountains of Pennsylvania during the morning of January 9, 2024.
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