* WHAT...Mixed precipitation. Total snow and sleet accumulations of
1-2 inches and ice accumulations around one tenth of an inch.
Winds gusting as high as 40 mph.
* WHERE...Clatsop County and Tillamook County Coast, and South
Washington Coast.
* WHEN...Until 4 AM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* ADDITIONAL DETAILS...Precipitation will transition over to
primarily freezing rain this afternoon. The Thursday evening
commute will be affected. Due to areas of freezing rain, power
outages are possible.
* WHAT...Wind chills of 10-20F.
* 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.
* WHAT...For the Cold Weather Advisory, wind chills of 10-20F. For
the Wind Advisory, east winds 20 to 30 mph with gusts up to 55 mph.
* WHERE...Eastern Portland/Vancouver Metro Near The Gorge.
* WHEN...For the Cold Weather Advisory, until noon PST Friday. For
the Wind Advisory, until 10 PM PST this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
Frostbite and hypothermia will occur if unprotected skin is
exposed to these temperatures. Wind chill values can lead to
hypothermia with prolonged exposure.
* WHAT...Wind chills of 5-20F.
* WHERE...Western and Central Columbia River Gorge, the Corbett area
and the Hood River Valley.
* 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.
* WHAT...For the Cold Weather Advisory, wind chills of 10-20F. For
the Wind Advisory, east winds 20 to 30 mph with gusts up to 55 mph.
* WHERE...Eastern Portland/Vancouver Metro Near The Gorge.
* WHEN...For the Cold Weather Advisory, until noon PST Friday. For
the Wind Advisory, until 10 PM PST this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
Frostbite and hypothermia will occur if unprotected skin is
exposed to these temperatures. Wind chill values can lead to
hypothermia with prolonged exposure.
* WHAT...Southeast winds 15 to 25 mph with gusts up to 50 mph.
* WHERE...East Puget Sound Lowlands.
* WHEN...Until 5 PM PST this afternoon.
* IMPACTS...Gusty winds could blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Snow. Additional snow accumulations between 3 and 8 inches.
Winds gusting as high as 45 mph.
* WHERE...Blue Mountains of Oregon and Washington.
* WHEN...Until 10 PM PST Friday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions. Gusty winds
could bring down tree branches.
* WHAT...Snow. Additional snow accumulations between 2 and 4 inches.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Foothills of the Blue Mountains of
Washington.
* WHEN...Until 10 PM PST Friday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions. The hazardous
conditions could impact the Thursday evening and Friday morning
commutes.
* ADDITIONAL DETAILS...Locally strong winds combined with existing
snow cover and falling snow may result in blowing snow and
visibilities of one-half mile or less along the base of the
northern Blue Mountains in Oregon, including along Interstate 84
in the vicinity of Cabbage Hill, through this evening.
* WHAT...Snow. Total snow accumulations between 1 and 3 inches.
* WHERE...Lower Columbia Basin of Washington.
* WHEN...Until 4 PM PST Friday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow. The hazardous conditions could impact the Thursday
evening and Friday morning commutes.
* WHAT...Snow. Additional snow accumulations between 1 and 3 inches.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington.
* WHEN...Until 10 AM PST Friday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow. The hazardous conditions could impact the Thursday
evening and Friday morning commutes.
Precipitation moving in from the south this morning will fall as
snow or a rain/snow mix this afternoon and evening. Additional
showers tonight may produce additional accumulations.
* WHAT...Wet snow expected. Total snow accumulations up to two
inches.
* WHERE...Tacoma Area.
* WHEN...Until 8 AM PST Friday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday evening and Friday morning
commutes.
Precipitation moving in from the south this morning will fall as
snow or a rain/snow mix this afternoon and evening. Additional
showers tonight may produce additional accumulations.
* WHAT...Wet snow expected. Additional snow accumulations up to one
inch. Winds gusting as high as 40 mph.
* WHERE...East Puget Sound Lowlands.
* WHEN...Until 8 AM PST Friday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday morning and evening commutes.
* ADDITIONAL DETAILS...Heaviest accumulations are expected over the
southern portion from King County southward. Little or no
accumulation is expected north of King County.
Precipitation moving in from the south this morning will fall as
snow or a rain/snow mix this afternoon and evening. Additional
showers tonight may produce additional accumulations.
* WHAT...Wet snow expected. Additional snow accumulations up to two
inches.
* WHERE...Hood Canal Area, Lower Chehalis Valley Area, and Southwest
Interior.
* WHEN...Until 8 AM PST Friday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday morning and evening commutes.
* WHAT...Snow expected. Total snow accumulations between 2 and 4
inches. Winds gusting as high as 40 mph.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Foothills of the Blue Mountains of
Washington.
* WHEN...Until 10 PM PST Friday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions. The hazardous
conditions could impact the Thursday morning and evening commutes.
* ADDITIONAL DETAILS...Blowing snow along areas at the base of the
northern Blue Mountain Foothills in Oregon, including Cabbage
Hill, may see visibilities drop to a half mile or less Thursday
morning through Thursday evening.
* WHAT...Snow expected. Total snow accumulations between 5 and 10
inches. Winds gusting as high as 45 mph.
* WHERE...Blue Mountains of Oregon and Washington.
* WHEN...Until 10 PM PST Friday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions.
* WHAT...Snow expected. Total snow accumulations between 1 and 3
inches.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington.
* WHEN...Until 10 AM PST Friday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow. The hazardous conditions could impact the Thursday
morning and evening commutes.
* 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.
* WHAT...For the Cold Weather Advisory, cold wind chills ("feels
like") as low as 10 to 20 degrees fahrenheit expected. For the
Wind Advisory, east winds 25 to 35 mph with gusts up to 55 mph.
* WHERE...Eastern Portland/Vancouver Metro Near The Gorge.
* WHEN...For the first Cold Weather Advisory and second Cold Weather
Advisory, until noon PST Friday. For the Wind Advisory, until 10
PM PST this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Dangerously cold wind chills ("feels like") as low as zero
degrees fahrenheit expected.
* WHERE...Western and Central Columbia River Gorge, the Corbett area
and the Hood River Valley.
* WHEN...For the Extreme Cold Warning, until noon PST today. For the
Cold Weather Advisory, from noon today to noon PST Friday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures.
* WHAT...For the Cold Weather Advisory, cold wind chills ("feels
like") as low as 10 to 20 degrees fahrenheit expected. For the
Wind Advisory, east winds 25 to 35 mph with gusts up to 55 mph.
* WHERE...Eastern Portland/Vancouver Metro Near The Gorge.
* WHEN...For the first Cold Weather Advisory and second Cold Weather
Advisory, until noon PST Friday. For the Wind Advisory, until 10
PM PST this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.