Strong Pacific storm expected to bring heavy rain

Advisory message has been issued by the Clallam County Sheriff's Office.

Tuesday march 29, 2011 4:19 am pdt

A strong pacific storm system will bring periods of heavy rain to the coast and mountains of western Washington

Flood watch...updated

National weather service seattle wa

349 am pdt tue mar 29 2011



A strong pacific storm system will bring periods of heavy rain to the coast and mountains of western washington wednesday through at least thursday. A flood watch remains in effect from wednesday afternoon through friday afternoon.


The flood watch continues for portions of western Washington...including the following counties, Clallam, Jefferson, Skagit, Whatcom, King, Lewis, Mason, Pierce, Snohomish, Thurston from Wednesday afternoon through Friday afternoon


A warm frontal system will spread rain into western Washington later tonight and Wednesday. The frontal band is expected to stall over the area for a 24 to 48 hour period producing heavy precipitation along the coast and mountains. Freezing levels will rise dramatically to 7000-9000 feet during the period which raises the threat of flooding on some rivers.


The Skokomish river in Mason county is the river most likely to flood, possibly by late Wednesday. However, 48 hour rainfall amounts of 5 to 10 inches will cause sharp rises on other rivers and may also cause some additional rivers running off the Cascades and Olympics to flood.


Precautionary/preparedness actions.


A flood watch means conditions are favorable for flooding but flooding is not imminent or occurring. Monitor the latest forecasts from the national weather service and be ready to act quickly if flooding is observed or a warning is issued.


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