Weather Alerts for Washington CountyIssued by the National Weather Service |
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WASHINGTON COUNTY | ||
Areas Affected: Tualatin Valley - West Hills and Chehalem Mountains - Inner Portland Metro - East Portland Metro - North Clark County Lowlands - Inner Vancouver Metro - East Clark County Lowlands |
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Effective: Thu, 2/13 2:39am | Updated: Thu, 2/13 7:10am | Urgency: Expected |
Expires: Thu, 2/13 4:00pm | Severity: Severe | Certainty: Likely |
Details:
* WHAT...Heavy mixed precipitation expected. Total snow and sleet accumulations up to two inches and ice accumulations between one tenth and two tenths of an inch. Winds gusting as high as 45 mph. * WHERE...Portland Metro Lowlands, Greater Vancouver Metro, and Portland West Hills and Chehalem Mountain. * WHEN...Until 10 AM PST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Significant ice accumulation on power lines and tree limbs may cause power outages. * ADDITIONAL DETAILS...Precipitation begins as mixed snow and freezing rain Thursday morning. Precipitation will transition over to primarily freezing rain by Thursday afternoon. The Thursday morning commute will be affected. Due to areas of freezing rain and elevated winds, power outages are possible. Information: Consider postponing travel until weather conditions improve. If you must travel, be sure to slow down and allow extra time. If you are using a generator, be sure to keep it outdoors and away from windows and vents. Be aware that walking surfaces may be slick. Walk with extra care. Backcountry recreation is not advised. |
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WASHINGTON COUNTY | ||
Areas Affected: North Oregon Coast Range Lowlands - North Oregon Coast Range |
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Effective: Thu, 2/13 2:39am | Updated: Thu, 2/13 7:10am | Urgency: Expected |
Expires: Thu, 2/13 4:00pm | Severity: Severe | Certainty: Likely |
Details:
* WHAT...Heavy mixed precipitation expected. Total snow and sleet accumulations up to two inches and ice accumulations up to one quarter of an inch. Winds gusting as high as 40 mph. * WHERE...North Oregon Coast Range and North Oregon Coast Range Lowlands. * WHEN...From 10 AM this morning to 10 AM PST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Significant ice accumulation on power lines and tree limbs may cause power outages. * ADDITIONAL DETAILS...Precipitation begins as snow Thursday morning. Precipitation will transition over to primarily freezing rain by Thursday midday. Due to areas of freezing rain, power outages are possible. Information: Consider postponing travel until weather conditions improve. If you must travel, be sure to slow down and allow extra time. If you are using a generator, be sure to keep it outdoors and away from windows and vents. Be aware that walking surfaces may be slick. Walk with extra care. Backcountry recreation is not advised. |
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WASHINGTON COUNTY | ||
Areas Affected: Clatsop County Coast - Tillamook County Coast - Central Coast of Oregon - North Oregon Coast Range Lowlands - Central Oregon Coast Range Lowlands - North Oregon Coast Range - Central Oregon Coast Range - Lower Columbia River - Outer Southeast Portland Metro - West Central Willamette Valley - East Central Willamette Valley - Benton County Lowlands - Linn County Lowlands - Lane County Lowlands - Clackamas County Cascade Foothills - Cascade Foothills of Marion and Linn Counties - Lane County Cascade Foothills - North Oregon Cascades - Cascades of Marion and Linn Counties - Cascades of Lane County - South Washington Coast - Willapa and Wahkiakum Lowlands - Willapa Hills - Cowlitz County Lowlands - South Washington Cascade Foothills - South Washington Cascades |
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Effective: Thu, 2/13 4:52am | Updated: Thu, 2/13 7:10am | Urgency: Expected |
Expires: Thu, 2/13 12:00pm | Severity: Moderate | Certainty: Likely |
Details:
* WHAT...Cold wind chills ("feels like") as low as 10 degrees below expected. * WHERE...Northern and Central Cascades and Foothills in Oregon, Central and Southern Willamette Valley, South Washington and North and Central Oregon Coast, Northern and Central Coast Range Valleys and Mountains of Oregon, Willapa Hills and Adjacent River Valleys of Pacific and Wahkiakum Counties, Lower Columbia River and Cowlitz River Valleys, South Washington Cascades and Foothills, and Outer Southeast Portland Metro. * WHEN...Until noon PST today. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Wind chill values can lead to hypothermia with prolonged exposure. Very cold temperatures can lead to hypothermia with prolonged exposure. Information: Those planning to venture outdoors should use common sense and dress warmly, making sure exposed skin is properly covered to prevent frostbite and/or hypothermia. Avoid being outdoors in wet conditions which can increase the risk of the body cooling down and becoming hypothermic. |
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WASHINGTON COUNTY | ||
Areas Affected: Tualatin Valley - West Hills and Chehalem Mountains - North Clark County Lowlands - Inner Vancouver Metro |
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Effective: Thu, 2/13 4:52am | Updated: Thu, 2/13 7:10am | Urgency: Expected |
Expires: Thu, 2/13 4:00pm | Severity: Moderate | Certainty: Likely |
Details:
* WHAT...Cold wind chills ("feels like") as low as zero degrees expected. * WHERE...In Oregon, Portland West Hills and Chehalem Mountain and Tualatin Valley. In Washington, Inner Vancouver Metro and North Clark County Lowlands. * WHEN...Until noon PST Friday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Wind chill values can lead to hypothermia with prolonged exposure. Very cold temperatures can lead to hypothermia with prolonged exposure. Information: Those planning to venture outdoors should use common sense and dress warmly, making sure exposed skin is properly covered to prevent frostbite and/or hypothermia. Avoid being outdoors in wet conditions which can increase the risk of the body cooling down and becoming hypothermic. |