Weather Alerts for Washington County

Issued by the National Weather Service

Winter Storm Warning  WINTER STORM WARNING   Winter Storm Warning
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
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.

Winter Storm Warning  WINTER STORM WARNING   Winter Storm Warning
WASHINGTON COUNTY

Areas Affected:
North Oregon Coast Range Lowlands - North Oregon Coast Range
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.

Cold Weather Advisory  COLD WEATHER ADVISORY   Cold Weather Advisory
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
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.

Cold Weather Advisory  COLD WEATHER ADVISORY   Cold Weather Advisory
WASHINGTON COUNTY

Areas Affected:
Tualatin Valley - West Hills and Chehalem Mountains - North Clark County Lowlands - Inner Vancouver Metro
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.