At 525 PM PDT, Doppler radar was tracking a strong thunderstorm over
Portland Airport, or just south of Downtown Vancouver, moving east
at 15 mph.
HAZARD...Wind gusts up to 40 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
Locations impacted include...
Washougal, Vancouver Downtown, Portland, Vancouver, Gresham, Camas,
Troutdale, Maywood Park, Walnut Grove, Powellhurst-Centennial, Five
Corners, Portland Airport, Hazelwood, Orchards, Corbett, Mill Plain,
Hazel Dell South, Hazel Dell North, Hockinson, and Fairview.
This includes the following highways in Washington...
Interstate 5 between mile markers 1 and 4.
Interstate 205 between mile markers 27 and 33.
State Route 14 between mile markers 1 and 19.
This includes the following highways in Oregon...
Interstate 5 between mile markers 301 and 303, and mile marker 306
and near mile marker 308.
Interstate 205 between mile markers 19 and 26.
Interstate 84 between mile markers 1 and 22.
U.S. Highway 26 east of Portland between mile markers 1 and 15.
Widespread visibilities have risen above one quarter mile, so the
Dense Fog Advisory will be allowed to expire. Localized areas of
fog below one mile visibility remain and will slowly improve over
the next few hours. Travelers should be cautious for sudden
changes in visibility.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...In Oregon, Tualatin Valley, Inner Portland Metro and
West Central Willamette Valley. In Washington, Inner Vancouver
Metro.
* WHEN...Until 9 AM PDT this morning.
* IMPACTS...Hazardous driving conditions due to low visibility.
* WHAT...Visibility one quarter mile or less in areas of dense
fog.
* WHERE...In Oregon, Clatsop County Coast. In Washington, South
Washington Coast and Willapa and Wahkiakum Lowlands.
* WHEN...Until 10 AM PDT this morning.
* IMPACTS...Hazardous driving conditions due to low visibility.
Cyclists and pedestrians will be difficult to see.
* ADDITIONAL DETAILS...Dense fog will primarily affect bays and
valleys.
* WHAT...Visibility one quarter mile or less in areas of dense
fog.
* WHERE...In Oregon, Clatsop County Coast. In Washington, South
Washington Coast and Willapa and Wahkiakum Lowlands.
* WHEN...Until 9 AM PDT this morning.
* IMPACTS...Hazardous driving conditions due to low visibility.
Cyclists and pedestrians will be difficult to see.
* ADDITIONAL DETAILS...Dense fog will primarily affect bays and
valleys.
* WHAT...Sneaker waves possible.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...Through this evening.
* IMPACTS...Waves can run up significantly farther on a beach
than normal, including over rocks and jetties. Sneaker waves
can suddenly knock people off of their feet and quickly pull
them into the frigid ocean which may lead to serious injury or
drowning.
* ADDITIONAL DETAILS...A Beach Hazards Statement is issued when
sneaker waves create potentially life-threatening conditions
in the surf zone. Caution should be used when in or near the
water. Always keep an eye on the waves, and be especially
watchful of children.
* WHAT...Sneaker waves possible.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...Through Saturday evening.
* IMPACTS...Waves can run up significantly farther on a beach
than normal, including over rocks and jetties. Sneaker waves can
suddenly knock people off of their feet and quickly pull them
into the frigid ocean which may lead to serious injury or
drowning.
* ADDITIONAL DETAILS...A Beach Hazards Statement is issued when
sneaker waves create potentially life-threatening conditions in
the surf zone. Caution should be used when in or near the water.
Always keep an eye on the waves, and be especially watchful of
children.
* WHAT...Sneaker waves possible.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...From 8 AM PDT this morning through Saturday evening.
* IMPACTS...Waves can run up significantly farther on a beach
than normal, including over rocks and jetties. Sneaker waves can
suddenly knock people off of their feet and quickly pull them
into the frigid ocean which may lead to serious injury or
drowning.
* ADDITIONAL DETAILS...A Beach Hazards Statement is issued when
sneaker waves create potentially life-threatening conditions in
the surf zone. Caution should be used when in or near the water.
Always keep an eye on the waves, and be especially watchful of
children.
* WHAT...Sneaker waves possible.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...From Friday morning through Saturday evening.
* IMPACTS...Waves can run up significantly farther on a beach
than normal, including over rocks and jetties. Sneaker waves can
suddenly knock people off of their feet and quickly pull them
into the frigid ocean which may lead to serious injury or
drowning.
* ADDITIONAL DETAILS...A Beach Hazards Statement is issued when
sneaker waves create potentially life-threatening conditions in
the surf zone. Caution should be used when in or near the water.
Always keep an eye on the waves, and be especially watchful of
children.
* WHAT...Snow above 3000 ft. From 5 PM to 11 PM, An additional 2 to
4 inches of snow accumulation.
* WHERE...Stevens Pass.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Motorists should be prepared for winter driving
conditions at Stevens Pass this evening.
* WHAT...Snow above 3000 feet. Additional snow accumulations of
2 to 4 inches.
* WHERE...Cascade mountains and valleys of Snohomish and King
Counties, including Darrington, Index, Skykomish, Stevens
Pass, and Snoqualmie Pass.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow above 3000 feet. Additional snow accumulations of
up to 4 inches.
* WHERE...Cascade mountains and valleys of Pierce and Lewis
Counties, including the Crystal Mountain Ski Area, Paradise on
Mount Rainier, Ashford, Randle, and Packwood.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Plan on slippery road conditions.
...The Flood Warning is extended for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
.Heavy rainfall on Monday pushed the Skokomish River just above
minor flood stage. Scattered showers will continue through the rest
of today, but are not expected to be hydrologically impactful. The
river is expected to drop back below flood late Tuesday afternoon.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Skokomish River at Potlatch.
* WHEN...Until just after midnight tonight.
* IMPACTS...At 16.5 feet, the Skokomish River will cause widespread
flooding of pasture lands, with water flowing quickly over West
Bourgault Road and Skokomish Valley Road.
* ADDITIONAL DETAILS...
- At 4:30 PM PDT Tuesday the stage was 16.5 feet.
- Flood stage is 16.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 4:30 PM PDT Tuesday was 16.6 feet.
- Forecast...The river is expected to fall below flood stage
late this afternoon and continue falling to 14.1 feet late
Sunday morning.
- Flood History...This crest compares to a previous crest of
16.5 feet on 10/04/1997.
- http://www.weather.gov/safety/flood
* WHAT...Snow above 2500 feet. Additional snow accumulations of up
to 3 to 5 inches.
* WHERE...West Slopes of the Northern and Central Oregon
Cascades, and South Washington Cascades.
* WHEN...Until 8 PM PDT this evening.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow above 3000 feet. Additional snow accumulations of
1 to 3 inches. Winds gusting as high as 35 mph this afternoon.
* WHERE...Upper Slopes of the Eastern Washington Cascades Crest.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the commute.
* WHAT...Snow above 3000 feet. Additional snow accumulations of 2
to 6 inches.
* WHERE...Cascade mountains and valleys of Snohomish and King
Counties, including Darrington, Index, Skykomish, Stevens
Pass, and Snoqualmie Pass.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow above 3000 feet. Additional snow accumulations of 2
to 6 inches.
* WHERE...Cascade mountains and valleys of Pierce and Lewis
Counties, including the Crystal Mountain Ski Area, Paradise on
Mount Rainier, Ashford, Randle, and Packwood.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow above 3000 feet. Additional snow accumulations of up
to four inches.
* WHERE...Olympic mountains and valleys, including Hurricane
Ridge, Amanda Park, and Quinault.
* WHEN...Until 5 PM PDT this afternoon.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow. Additional snow accumulations between 3 and 6 inches
above 3000 ft. Additional snow accumulations between 8 and 12
inches above 4000 ft Winds gusting as high as 35 mph.
* WHERE...Stevens Pass and Holden Village.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Travel could be difficult. The hazardous conditions
could impact travel Tuesday morning.
* ADDITIONAL DETAILS...A period of 1 inch per hour of snowfall
between 5 pm and 9 pm Tuesday (25% chance).
...The Flood Warning continues for the following rivers in
Washington...
Skokomish River At Potlatch affecting Mason County.
.Heavy rainfall on Monday has pushed the Skokomish Rive just above
flood stage this morning. Scattered showers will continue through
today, but are not expected to be hydrologically impactful. The
river is expected to drop back below flood stage late this morning
or early this afternoon.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Skokomish River at Potlatch.
* WHEN...Until this evening.
* IMPACTS...At 16.5 feet, the Skokomish River will cause widespread
flooding of pasture lands, with water flowing quickly over West
Bourgault Road and Skokomish Valley Road.
* ADDITIONAL DETAILS...
- At 9:30 AM PDT Tuesday the stage was 16.6 feet.
- Flood stage is 16.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:30 AM PDT Tuesday was 16.6 feet.
- Forecast...The river is expected to fall below flood stage
late this morning and continue falling to 14.1 feet early
Sunday morning.
- Flood History...This crest compares to a previous crest of
16.5 feet on 01/07/2007.
- http://www.weather.gov/safety/flood
