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Flood in Washington County, Idaho
Flood April 8, 2019 – April 11, 2019 · Washington County, Idaho
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
The Washington County emergency manager reported moderate flooding near the U.S. Highway 95 bridge in Weiser. The flooding caused extensive damage and the closure of the highway for 4 days.
The wider storm
An Atmospheric River brought a persistent stream of moisture off the Pacific Ocean to West Central Idaho April 6-10. Rainfall totals of 2 to 5 inches were measured at many weather stations while snow melt added 1 to 3 inches of melt-water to the runoff. Main stem river flooding, flash flooding, and small stream flooding occurred during the event with record or near record crests observed on a number of waterways. In addition, debris flows on past years wildfire burned areas, rock slides, and mudslides occurred.
Began near Cambridge (44.5902, -116.6472).
Source: NOAA Storm Events Database, event 813447. Narratives are written by the National Weather Service forecast office that issued the report.
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