Flood Watch for Nooksack River

Flood watch
National weather service Seattle wa
958 am pst sun Nov 15 2009

Periods of heavy rain over the Olympic Mountains and north Cascades could drive rivers in those areas above flood stage by Monday or Monday night.

The river most likely to flood is the Skokomish river...which flows off the southeast slopes of the Olympic Mountains. The Skokomish river could experience major flooding in this episode. Other Rivers on the Olympic peninsula also face a threat of Flooding...including but not limited to the Sat Sop...Bogachiel...Elwha...and Dungeness rivers.

Flooding in the north Cascades river basins is also a possibility.The Nooksack river in Whatcom county...which flows off the slopes Of Mount Baker...is at highest risk. rainfall amounts will be high enough to also push the rivers in Skagit and Snohomish county to near flood stage as well.

Rainfall will gradually increase over the Olympics and north Cascades today through Monday evening...with periods of exceptionally heavy rain possible over the Olympics Monday.

Flooding is not a concern on the green river in king county at This time.


Flood watch now in effect from late tonight through Wednesday Morning...

The flood watch is now in effect for * portions of western Washington...including the following  counties... Grays harbor...Clallam...Jefferson...Whatcom Mason.

* from late tonight through Wednesday morning

* heavy rain in the Olympics tonight through Monday night could   drive rivers above flood stage. The Skokomish river in mason   county faces the greatest threat of flooding...and major   flooding is possible. Other Olympic peninsula rivers like the   sat sop...bogachiel...Elwha...and Dungeness rivers could also   flood.

* the Nooksack river in Whatcom county cloud also flood. If   flooding does develop on the Nooksack river it would most likely occur Monday night or Tuesday.



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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