NOAA Current Watches-WA

* WHAT...Heavy snow expected. Total snow accumulations of 10 to 20 inches. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...From 5 PM this afternoon to 11 AM PDT Saturday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute.

* WHAT...Heavy snow possible. Total snow accumulations of 8 to 15 inches possible. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...From Thursday afternoon through Saturday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute.

* WHAT...Heavy snow possible. Total snow accumulations of 8 to 15 inches possible. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...From Thursday afternoon through Saturday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute.

* WHAT...Heavy snow possible. Total snow accumulations of up to 12 inches possible. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...From Thursday afternoon through Saturday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute.

* WHAT...Visibility less than quarter of a mile in dense fog. * WHERE...In Oregon, Clatsop County Coast, Tillamook County Coast, and Central Coast of Oregon. In Washington, South Washington Coast. * WHEN...Until 10 AM PDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

Patchy dense fog has developed along I-90 between Cle Elum and Ellensburg. Visibilities of less than a quarter mile have been observed, and fog is expected to persist over the next couple hours into early morning.

At 837 PM PDT, Doppler radar was tracking a strong thunderstorm near Cape Elizabeth, moving northeast at 35 mph. HAZARD...Winds in excess of 30 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Lightning is possible within this storm. Locations impacted include... Cape Elizabeth and Moclips.

At 534 PM PDT, a line of showers and embedded thunderstorms extended from Sherwood back to near Dayton. This line is moving the northeast at 30 mph, and will move across the southern part of the Portland metro area through 615 pm. HAZARD...Wind gusts up to 40 mph and pea size hail. A few hailstones could reach the size of dimes. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Oregon City, Portland Downtown, Portland, Vancouver, Gresham, Beaverton, Tigard, Lake Oswego, Tualatin, West Linn, Newberg, Milwaukie, Wilsonville, Camas, Canby, Gladstone, Aurora, Maywood Park, Rivergrove, and Oatfield. This includes the following highways in Washington... Interstate 205 near mile marker 27. State Route 14 between mile markers 5 and 12. This includes the following highways in Oregon... Interstate 5 between mile markers 272 and 307. Interstate 205 between mile markers 1 and 26. Interstate 84 between mile markers 1 and 14. U.S. Highway 26 west of Portland between mile markers 67 and 73. U.S. Highway 26 east of Portland between mile markers 1 and 9. U.S. Highway 30 west of Portland between mile markers 1 and 7.

Short duration heavy rainfall with amounts of around one quarter inch and and gusty winds win the 25 to 30 mph range with higher local gusts possible will impact the area through 7 PM. Ponding of water on roadways and poor drainage flooding is possible in these areas. Reduced visibilities are also possible in the heaviest showers.

At 242 PM PDT, Doppler radar was tracking a strong thunderstorm near Silver Lake, or near Castle Rock, moving northeast at 20 mph. HAZARD...Pea size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vegetation is possible. This includes the following highways in Washington... Interstate 5 between mile markers 42 and 49. State Route 504 between mile markers 4 and 31.

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.