2,274 first-hand accounts of flood events in Pennsylvania, ranked by impact. Each is a NOAA-written narrative of the moment.
Moderate rain along a warm front lifting across the upper Ohio Valley resulted in flooding across portions of eastern Ohio and southwestern Pennsylvania on the 3rd, which was further exacerbated by the passing cold front later that evening.
Read the full account →Moderate rain along a warm front lifting across the upper Ohio Valley resulted in flooding across portions of eastern Ohio and southwestern Pennsylvania on the 3rd, which was further exacerbated by the passing cold front later that evening.
Read the full account →Moderate rain along a warm front lifting across the upper Ohio Valley resulted in flooding across portions of eastern Ohio and southwestern Pennsylvania on the 3rd, which was further exacerbated by the passing cold front later that evening.
Read the full account →Moderate rain along a warm front lifting across the upper Ohio Valley resulted in flooding across portions of eastern Ohio and southwestern Pennsylvania on the 3rd, which was further exacerbated by the passing cold front later that evening.
Read the full account →Moderate rain along a warm front lifting across the upper Ohio Valley resulted in flooding across portions of eastern Ohio and southwestern Pennsylvania on the 3rd, which was further exacerbated by the passing cold front later that evening.
Read the full account →A period of moderate to heavy rain in advance of a passing cold front lead to some isolated flooding across the upper Ohio Valley on the 16th.
Read the full account →Showers and thunderstorms were generated by an approaching shortwave. A prefrontal trough in the morning temporarily suppressed the potential for flooding. However, during the afternoon, storms were able to regenerate.
Read the full account →In an environment with weak winds aloft, an isolated thunderstorm developed over eastern sections of Allegheny county. This produced significant flash flooding along Route 51 and the Baldwin area.
Read the full account →In an environment with weak winds aloft, an isolated thunderstorm developed over eastern sections of Allegheny county. This produced significant flash flooding along Route 51 and the Baldwin area.
Read the full account →A shortwave trough crossed the Great Lakes on July 19th and then dove southward on the eastern flank of an upper ridge. The atmosphere was sufficiently unstable to allow isolated strong storms to develop.
Read the full account →A shortwave trough crossed the Great Lakes on July 19th and then dove southward on the eastern flank of an upper ridge. The atmosphere was sufficiently unstable to allow isolated strong storms to develop.
Read the full account →A passing shortwave trough and surface cold front brought scattered showers and thunderstorm on July 11th. Increasing shear, building instability, and mid-level dry resulted in a few strong storms across the area.
Read the full account →A strong low pressure system moving north through the Great Lakes region, combined with its associated warm front and cold front, copious amounts of moisture, and low level jet, produced strong to severe thunderstorms, heavy rain, flash flooding, and stream flooding in Eastern…
Read the full account →A strong low pressure system moving north through the Great Lakes region, combined with its associated warm front and cold front, copious amounts of moisture, and low level jet, produced strong to severe thunderstorms, heavy rain, flash flooding, and stream flooding in Eastern…
Read the full account →A strong low pressure system moving north through the Great Lakes region, combined with its associated warm front and cold front, copious amounts of moisture, and low level jet, produced strong to severe thunderstorms, heavy rain, flash flooding, and stream flooding in Eastern…
Read the full account →A strong low pressure system moving north through the Great Lakes region, combined with its associated warm front and cold front, copious amounts of moisture, and low level jet, produced strong to severe thunderstorms, heavy rain, flash flooding, and stream flooding in Eastern…
Read the full account →A strong cold front crossed central Pennsylvania during the evening of January 12, 2018. The front was preceded by near-record warmth, and accompanied by showers and gusty thunderstorms.
Read the full account →A cluster of showers and thunderstorms formed along gust front and sea breeze front boundaries in southeastern Pennsylvania during the late evening of the 26th and had little movement before they dissipated early on the 27th.
Read the full account →In addition to the severe weather, multiple thunderstorms with heavy rain caused flash flooding in the Lehigh Valley and Poconos on the afternoon and evening of the 30th. The flash flooding in the Poconos persisted into July 1st.
Read the full account →A cluster of showers and thunderstorms formed along gust front and sea breeze front boundaries in southeastern Pennsylvania during the late evening of the 26th and had little movement before they dissipated early on the 27th.
Read the full account →In addition to the severe weather, multiple thunderstorms with heavy rain caused flash flooding in the Lehigh Valley and Poconos on the afternoon and evening of the 30th. The flash flooding in the Poconos persisted into July 1st.
Read the full account →Outflow boundaries from convection earlier in the day helped to spark additional thunderstorms in the afternoon and evening on the 9th ahead of an approaching cold front.
Read the full account →Outflow boundaries from convection earlier in the day helped to spark additional thunderstorms in the afternoon and evening on the 9th ahead of an approaching cold front.
Read the full account →Outflow boundaries from convection earlier in the day helped to spark additional thunderstorms in the afternoon and evening on the 9th ahead of an approaching cold front.
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