Flood Potential Outlook
Issued by NWS Seattle/Tacoma, WA

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HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE SEATTLE WA
350 AM PST Mon Jan 16 2017

...River flooding is possible this week across portions of
Western Washington...

Heavy rain Tuesday through Wednesday could drive some Western
Washington rivers above flood stage. Rainfall totals of 5 to
8 inches are possible in the Olympic Mountains during that 48 hour
period, with 4 to 7 inches possible in the Cascades. The snow
level will rise to 7000 to 8000 feet through Tuesday night, then
fall to around 6000 feet late Wednesday as precipitation begins to
decrease.

These rainfall amounts -- if they occur -- could result in some
flooding on the more flood-prone rivers flowing out of the
Olympics and Cascades, and the Chehalis in southwest Washington.
Western Washington rivers are running low currently, but the rain
will cause them to rise quickly and flooding could possibly begin
later Tuesday or Wednesday.

People living in areas prone to flooding should monitor the latest
forecasts and be prepared to take action if flood watches or
warnings are issued.

$$

www.weather.gov/seattle



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