259 first-hand accounts of flood events in Washington, ranked by impact. Each is a NOAA-written narrative of the moment.
A strong and persistent upper-level low-pressure system developed over the northern Rockies and southern Canada and then slowly migrated westward while continuously directing the jet stream and primary storm track at Washington State.
Read the full account →A strong, warm and very wet Pacific weather system brought copious amounts of rainfall to Washington from November 2 through 7, with subsequent major flooding that extended through November 11.
Read the full account →An upper level trough Gulf Low continued off the west coast that brought a series of atmospheric rivers resulting in flooding across parts of western Washington. This second atmospheric river episode of the month was a set of three atmospheric rivers back-to-back-to-back.
Read the full account →Heavy rain of 5 to 10 inches caused flooding on many rivers, including the Bogachiel, Nooksack, Samish, Skagit, Skokomish, Stillaguamish Rivers. There was urban and small stream flooding as well. The heavy rain also triggered landslides throughout the area.
Read the full account →Record flooding occurred on the Chehalis, Skokomish, and Elwha Rivers. In addition to the record flooding, major flooding occurred on the Bogachiel River.
Read the full account →Three to five inches of rain caused a significant 100+ year flash flood over the higher terrain of northeast Okanogan County on the evening of July 12.
Read the full account →A strong Pacific Ocean rain and wind storm struck Washington on the night of Dec 14th through the morning of the 15th. The storm initially brought one to two inches of heavy rainfall to parts of western Washington on the 14th, producing areas of urban and small stream flooding…
Read the full account →Record flooding occurred on the Chehalis, Skokomish, and Elwha Rivers. In addition to the record flooding, major flooding occurred on the Bogachiel River.
Read the full account →The snow changed to rain by 10 am causing numerous flooded streets, basement apartments and mudslides. By that evening anywhere from an inch to an inch and a half of rain fell on top of the snow cover and temperatures rose to near 50 degrees.
Read the full account →An eastward-moving upper level trough and associated area of surface low pressure moved across northwest Oregon and southwest Washington September 17-18, resulting in fairly widespread showers and thunderstorms beginning late in the afternoon of the 17th through most of the day…
Read the full account →An upper level trough Gulf Low continued off the west coast that brought a series of atmospheric rivers resulting in flooding across parts of western Washington. This second atmospheric river episode of the month was a set of three atmospheric rivers back-to-back-to-back.
Read the full account →Heavy rain of 5 to 10 inches caused flooding on many rivers, including the Bogachiel, Nooksack, Samish, Skagit, Skokomish, Stillaguamish Rivers. There was urban and small stream flooding as well. The heavy rain also triggered landslides throughout the area.
Read the full account →An upper level trough Gulf Low continued off the west coast that brought a series of atmospheric rivers resulting in flooding across parts of western Washington. This second atmospheric river episode of the month was a set of three atmospheric rivers back-to-back-to-back.
Read the full account →An atmospheric river brought heavy rains to the Cascades December 8 through 10. The East slopes saw 48 hour rain amounts of up to 7 inches along the crest, 3 to 4 inches in the mid slopes, and at least half an inch in the low land areas.
Read the full account →An atmospheric river brought heavy rains to the Cascades December 8 through 10. The East slopes saw 48 hour rain amounts of up to 7 inches along the crest, 3 to 4 inches in the mid slopes, and at least half an inch in the low land areas.
Read the full account →Heavy snow on February 4-5, 2020 was followed by a period of heavy rain, February 5-7. Snow levels rose to near 5000 feet. The heavy rain and snow melt lead to moderate flooding and several landslides along the East Slopes of the Washington Cascades.
Read the full account →An upper level trough Gulf Low continued off the west coast that brought a series of atmospheric rivers resulting in flooding across parts of western Washington. This second atmospheric river episode of the month was a set of three atmospheric rivers back-to-back-to-back.
Read the full account →An atmospheric river brought heavy rains to the Cascades December 8 through 10. The East slopes saw 48 hour rain amounts of up to 7 inches along the crest, 3 to 4 inches in the mid slopes, and at least half an inch in the low land areas.
Read the full account →The period from January 10 to 16 continued a pattern of a strong and persistent Aleutian Low pressure system in the eastern Pacific that began December 29, 2020 and which directed the jet stream and primary storm track at Washington State.
Read the full account →From December 29 - January 16, a strong and persistent Aleutian Low pressure system developed in the eastern Pacific which directed the jet stream and primary storm track at Washington State that resulted in a rapid series of atmospheric rivers and wind storms that battered…
Read the full account →Spring time mountain snow melt of heavy snow pack in the Canadian Rockies and the north Cascades brought major flooding to the Okanogan River from Oroville to it's mouth at the Columbia River.
Read the full account →An above average snow pack in the mountains drained by the Pend Oreille and Clark Fork River basins melted at an accelerated rate during the month of May.
Read the full account →Heavy rain of 5 to 10 inches caused flooding on many rivers, including the Bogachiel, Nooksack, Samish, Skagit, Skokomish, Stillaguamish Rivers. There was urban and small stream flooding as well. The heavy rain also triggered landslides throughout the area.
Read the full account →The period from January 10 to 16 continued a pattern of a strong and persistent Aleutian Low pressure system in the eastern Pacific that began December 29, 2020 and which directed the jet stream and primary storm track at Washington State.
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