Aggregator

* WHAT...For the first High Surf Advisory, large breaking waves of 16 to 20 feet in the surf zone. For the second High Surf Advisory, large breaking waves of 18 to 24 feet expected in the surf zone. * WHERE...North Coast and Central Coast zones. * WHEN...For the first High Surf Advisory, until 1 PM PST this afternoon. For the second High Surf Advisory, from 10 PM Wednesday to 10 PM PST Thursday. * IMPACTS...Large waves may wash over beaches, jetties, and other structures unexpectedly. Localized beach erosion is possible. People can be swept off rocks and jetties, and drown while observing high surf. * ADDITIONAL DETAILS...Waves just offshore will be long period with a dominant period of 20 to 22 seconds for both advisories. This will enhance the risk for beach erosion and infrastructure damage on west or southwest facing beaches.

* WHAT...For the first High Surf Advisory, large breaking waves of 16 to 20 feet in the surf zone. For the second High Surf Advisory, large breaking waves of 18 to 24 feet expected in the surf zone. * WHERE...North Coast and Central Coast zones. * WHEN...For the first High Surf Advisory, until 1 PM PST this afternoon. For the second High Surf Advisory, from 10 PM Wednesday to 10 PM PST Thursday. * IMPACTS...Large waves may wash over beaches, jetties, and other structures unexpectedly. Localized beach erosion is possible. People can be swept off rocks and jetties, and drown while observing high surf. * ADDITIONAL DETAILS...Waves just offshore will be long period with a dominant period of 20 to 22 seconds for both advisories. This will enhance the risk for beach erosion and infrastructure damage on west or southwest facing beaches.

* WHAT...For the current High Surf Warning, dangerously large breaking waves of 24 to 29 ft through early this morning. For the next High Surf Warning, dangerously large breaking waves of 30 to 35 ft. * WHERE...The beaches and shorelines of Curry, Coos, and Douglas counties. * WHEN...For the current High Surf Warning, until 7 AM PST this morning. For the next High Surf Warning, from 4 PM Wednesday to 4 PM PST Thursday. * IMPACTS...Extremely large breaking waves will create very hazardous conditions along beaches and area shorelines. Waves will inundate beaches and surge into normally dry areas. Infrastructure damage and significant beach erosion can be expected. * ADDITIONAL DETAILS...Conditions are expected to slowly improve this morning, but another round of dangerous surf conditions can be expected late Wednesday (Christmas Day) through Thursday. Hazardous surf and beach conditions are likely to continue through much of the weekend, with improving conditions possible on Sunday. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

* WHAT...For the current High Surf Warning, dangerously large breaking waves of 24 to 29 ft through early this morning. For the next High Surf Warning, dangerously large breaking waves of 30 to 35 ft. * WHERE...The beaches and shorelines of Curry, Coos, and Douglas counties. * WHEN...For the current High Surf Warning, until 7 AM PST this morning. For the next High Surf Warning, from 4 PM Wednesday to 4 PM PST Thursday. * IMPACTS...Extremely large breaking waves will create very hazardous conditions along beaches and area shorelines. Waves will inundate beaches and surge into normally dry areas. Infrastructure damage and significant beach erosion can be expected. * ADDITIONAL DETAILS...Conditions are expected to slowly improve this morning, but another round of dangerous surf conditions can be expected late Wednesday (Christmas Day) through Thursday. Hazardous surf and beach conditions are likely to continue through much of the weekend, with improving conditions possible on Sunday. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

* WHAT...South winds 25 to 35 mph with gusts 45 to 55 mph expected for the base of the Blue Mountains of Washington. * WHERE...Foothills of the Blue Mountains of Washington. * WHEN...Until 7 AM PST this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected, mainly south of La Grande. * WHERE...Grande Ronde Valley. * WHEN...Until 7 AM PST this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...South winds 20 to 30 mph with gusts 45 to 50 mph expected, primarily at the base of the Blue Mountains. * WHERE...Foothills of the Southern Blue Mountains of Oregon. * WHEN...Until 7 AM PST this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...South to southeast winds 35 to 40 mph with gusts 55 to 70 mph expected for the base of the northern Blue Mountains of Oregon. * WHERE...Foothills of the Northern Blue Mountains of Oregon. * WHEN...Until 7 AM PST this morning. * IMPACTS...Damaging winds will blow down trees and power lines. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Strong and damaging winds will be observed along Interstate 84 from Pendleton to Cabbage Hill, as well as Highway 11 from Pendleton to Milton-Freewater.

* WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of southwest Oregon, including the following county, Jackson. * WHEN...Until 245 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS... - At 1245 AM PST, Doppler radar indicated heavy rain. This will cause urban and small stream flooding. Overflowing poor drainage areas will cause minor flooding in the advisory area. Between 1 and 1.5 inches of rain have fallen. - Additional rainfall amounts of 0.5 to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Medford, Ashland, Central Point, Eagle Point, Talent, Shady Cove, Jacksonville, Rogue River, Gold Hill, Butte Falls, White City, Agate Reservoir, Upper Table Rock Trailhead, Touvelle State Park, Dodge Bridge Jackson County Park, Roxy Ann Peak, Lower Table Rock Trailhead, Britt Gardens, Rogue Elk Park and Jacksonville Woodlands Association Trails. - http://www.weather.gov/safety/flood

* WHAT...South to southwest winds 25 to 35 mph with gusts up to 55 mph. * WHERE...This includes the Summer Lake area, the mountains across Lake County and eastern Klamath County, and Modoc County. * WHEN...Until 4 AM PST early this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

...The Flood Warning continues for the following rivers in Washington... Skokomish River At Potlatch affecting Mason County. .Minor flooding is occuring along the Skokomish River. The river will recede below flood stage Tuesday. Rounds of precipitation in the coming days will lead to additional flooding. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Skokomish River at Potlatch. * WHEN...Until tomorrow afternoon. * 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 8:30 PM PST Monday the stage was 16.9 feet. - Flood stage is 16.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM PST Monday was 17.5 feet. - Forecast...The river is expected to fall below flood stage late Tuesday morning and remain just below flood stage for the remainder of the day. - http://www.weather.gov/safety/flood

* WHAT...South winds 25 to 35 mph with gusts 45 to 55 mph expected for the base of the Blue Mountains of Washington. * WHERE...Foothills of the Blue Mountains of Washington. * WHEN...Until 7 AM PST Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...Visibility of one-quarter mile or less in dense fog. * WHERE...Kittitas Valley. * WHEN...Until 1 AM PST Tuesday. * IMPACTS...Low visibility could make driving conditions hazardous.

* WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected, mainly south of La Grande. * WHERE...Grande Ronde Valley. * WHEN...Until 7 AM PST Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...South to southeast winds 35 to 50 mph with gusts 50 to 70 mph expected for the base of the northern Blue Mountains of Oregon. * WHERE...Foothills of the Northern Blue Mountains of Oregon. * WHEN...Until 7 AM PST Tuesday. * IMPACTS...Damaging winds will blow down trees and power lines. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Strong and damaging winds will be observed along Interstate 84 from Pendleton to Cabbage Hill, as well as Highway 11 from Pendleton to Milton-Freewater.

* WHAT...South winds 20 to 30 mph with gusts 45 to 50 mph expected, primarily at the base of the Blue Mountains. * WHERE...Foothills of the Southern Blue Mountains of Oregon. * WHEN...Until 7 AM PST Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...Heavy snow possible. Total snow accumulations between 18 and 24 inches possible above 3500 feet. * WHERE...Stevens Pass, Stehekin, and Holden Village. * WHEN...From Wednesday afternoon through Friday morning. * IMPACTS...Travel could be very difficult over Stevens Pass. * ADDITIONAL DETAILS...Expect snowfall rates around 1 inch per hour or greater at Stevens Pass Wednesday night. For Coles Corner and Stehekin, total snow accumulations between 5 and 12 inches.

* WHAT...Snow expected. Total snow accumulations 3 to 8 inches. * WHERE...Conconully, Winthrop, Mazama, Twisp, Methow, and Loup Loup Pass. * WHEN...From 10 PM this evening to 10 AM PST Tuesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday morning commute. * ADDITIONAL DETAILS...Snowfall rates of 1" per hour are possible between midnight and 5 AM tonight, especially around Mazama and Loup Loup Pass.

ESFSEW An atmospheric river will bring significant rainfall to the Olympic Peninsula Wednesday into Thursday. Widespread rainfall totals of 4 to 6 inches are expected in the mountains, with locally over 6 inches over the highest peaks. Snow levels will begin around 3000 ft during this time frame. An extended wet period with snow levels above 4000 ft Thursday through next weekend over the Olympics and into portions of southwestern Washington. The area of concern for additional river flooding impacts may expand east to include rivers in Thurston and Lewis counties. Please monitor the latest river forecasts from the National Weather Service for additional information.

* WHAT...South winds 25 to 35 mph with gusts 45 to 55 mph expected for the base of the Blue Mountains of Washington. * WHERE...Foothills of the Blue Mountains of Washington. * WHEN...From 10 PM this evening to 7 AM PST Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.