West Seattle Weather Station by K7LER

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY
ABOVE 2000 FEET...
* WHAT...Heavy snow expected above 2000 feet. Total snow
accumulations of up to 2 to 3 feet possible.
* WHERE...Cascade mountains of Whatcom and Skagit Counties,
including the Mount Baker Ski Area, the Cascade mountains of
Snohomish and King Counties, including Stevens and Snoqualmie
Pass, and the Cascade mountains of Pierce and Lewis Counties,
including the Crystal Mountain Ski Area and Paradise on Mount
Rainier.
* WHEN...Until 4 AM PST Sunday.
* IMPACTS...Travel could be very difficult.

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

.An active weather pattern will continue with a series of frontal
systems set to move across the Pacific Northwest through the middle
of next week bringing multiple rounds of rain and mountain snow with
increasing intensity through the weekend and into next week. Current
snow levels around 2700 feet this evening will rise closer to 6000
to 7000 feet by Sunday and then closer to 8000 to 9000 feet Monday
evening as persistent atmospheric river moisture advects into the
Western Washington. Prolonged heavy rainfall will lead to rapid
rises on rivers Sunday into early next week, especially when
combined with melting snow as snow levels most notably rise Sunday
and Monday.
Numerous rivers are currently forecast to go into flood stage, some
from Moderate to near Major, starting with the Skokomish River in
Mason County late Saturday then eastward with many of the Cascade
Rivers by early next week. Excessive rainfall may also lead to
isolated residential and/or urban flooding.
...FLOOD WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...
* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...Portions of northwest and west central Washington,
including the following counties, in northwest Washington,
Clallam, Grays Harbor, Island, Jefferson, Kitsap, Mason, San Juan,
Skagit and Whatcom. In west central Washington, King, Lewis,
Pierce, Snohomish and Thurston.
* WHEN...From Saturday evening through late Wednesday night.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Extensive
street flooding and flooding of creeks and rivers are possible.
* ADDITIONAL DETAILS...
- Excessive rainfall from a long-duration atmospheric river
event. Total rainfall forecast has increased with total
liquid accumulation through Wednesday of next week ranging
from 3 to 7 inches over the lowlands to upwards of 10 to 12
inches over the Cascades and 10 to 15 inches over the
Olympics.
- http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

...THREAT OF RIVER AND URBAN FLOODING SUNDAY INTO THE MIDDLE OF NEXT
WEEK ACROSS WESTERN WASHINGTON...
An active weather pattern will continue with a series of frontal
systems set to move across the Pacific Northwest through the middle
of next week bringing multiple rounds of rain and mountain snow with
increasing intensity through the weekend and into next week. Current
snow levels around 2500 feet this afternoon will rise closer to 6000
to 7000 feet by Sunday and then closer to 8000 to 9000 feet Monday
evening as persistent atmospheric river moisture advects into the
Western Washington. Total rainfall forecast has increased with total
liquid accumulation through Wednesday from these systems ranging
from 3 to 7 inches over the lowlands to upwards of 10 to 12 inches
over the Cascades and 10 to 15 inches over the Olympics. This will
lead to rapid rises on rivers Sunday into early next week,
especially when combined with melting snow as snow levels most
notably rise Sunday and Monday.
Numerous rivers are currently forecast to go into flood stage, some
from Moderate to near Major, starting with the Skokomish River in
Mason County late Saturday then eastward with many of the Cascade
Rivers by early next week. River flooding may lead to isolated
residential and/or urban flooding. Widespread inundation of farmland
and road closures are possible near rivers.
Please monitor the latest river forecasts from the National Weather
Service for additional information.