The following message is transmitted at the request of the
Wallowa Avalanche Center.
...The Wallowa Avalanche Center in La Grande OR has issued a
BACKCOUNTRY AVALANCHE WARNING...
* WHAT...Very dangerous avalanche conditions developed last night
for the Southern Wallowas. It will be very likely for a
backcountry traveler to trigger a large and deadly avalanche
today.
* WHERE...The winter recreation areas of the Southern and Northern
Wallowas, especially Halfway and Joseph, OR, Cornucopia and Salt
Creek Summit.
* WHEN...In effect from Wed 06:00 AM PST to Thu 06:00 AM PST.
* IMPACTS...Heavy snow overnight has rapidly overloaded an already
unstable snowpack, causing likely widespread natural avalanches
overnight and very likely human triggered ones through the day.
* WHAT...Snow. Additional snow accumulations between 2 and 6 inches.
* WHERE...South Washington Cascades and the Northern and Central
Cascades of Oregon.
* WHEN...Until 4 AM PST Thursday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Snow. Additional snow accumulations between 1 and 3 inches,
highest amounts above 1000 feet.
* WHERE...Foothills of the Northern and Central Oregon Cascades,
West Columbia River Gorge of Oregon above 500 ft, and South
Washington Cascade Foothills.
* WHEN...Until 4 AM PST Thursday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Snow. Additional snow accumulations between a dusting and
two inches.
* WHERE...Western and Central Columbia River Gorge and the Hood
River Valley.
* WHEN...Until 10 PM PST this evening.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Heavy snow. Additional snow accumulations between 1 and 3
inches.
* WHERE...North and Central Coast Range Mountains of Oregon, and
Willapa Hills.
* WHEN...Until 7 PM PST this evening.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Snow. Additional snow accumulations up to one inch.
* WHERE...Clatsop County and Tillamook County Coast, North and
Central Coast Range Valleys of Oregon, South Washington Coast, and
Willapa and Wahkiakum Lowlands.
* WHEN...Until noon PST today.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Snow. Additional snow accumulations between 2 and 6 inches.
* WHERE...South Washington Cascades and the Northern and Central
Cascades of Oregon.
* WHEN...Until 4 AM PST Thursday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Snow. Additional snow accumulations between 1 and 3 inches,
highest amounts above 1000 feet.
* WHERE...Foothills of the Northern and Central Oregon Cascades,
West Columbia River Gorge of Oregon above 500 ft, and South
Washington Cascade Foothills.
* WHEN...Until 4 AM PST Thursday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Snow. Additional snow accumulations between 4 and 8 inches.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...Until 4 AM PST Thursday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions.
* ADDITIONAL DETAILS...There has been a break in snow overnight, but
snow will increase in coverage and intensity during the late
morning and afternoon.
* WHAT...Snow. Additional snow accumulations between a dusting and
two inches.
* WHERE...Western and Central Columbia River Gorge and the Hood
River Valley.
* WHEN...Until 10 PM PST this evening.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Heavy snow. Additional snow accumulations between 1 and 3
inches.
* WHERE...North and Central Coast Range Mountains of Oregon, and
Willapa Hills.
* WHEN...Until 7 PM PST this evening.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Snow. Additional snow accumulations up to one inch.
* WHERE...Portland Metro Hills.
* WHEN...Until noon PST today.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Snow. Additional snow accumulations up to one inch.
* WHERE...Clatsop County and Tillamook County Coast, North and
Central Coast Range Valleys of Oregon, South Washington Coast, and
Willapa and Wahkiakum Lowlands.
* WHEN...Until noon PST today.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
The following message is transmitted at the request of the Wallowa
Avalanche Center in Joseph, Oregon.
The Wallowa Avalanche Center in Joseph has issued a backcountry
avalanche warning.
* TIMING...In effect through 6 AM PST Thursday.
* AFFECTED AREA...This warning is in effect for the Wallowa
Mountains North.
* AVALANCHE DANGER...Very dangerous avalanche conditions exist.
Natural avalanches are likely and human-triggered avalanches are
very likely.
* PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche
conditions. Travel in avalanche terrain is not recommended.
Avalanches may run long distances and can run into mature forests,
valley floors, or flat terrain.
For specific information on the reasoning behind this warning or
for information on recent avalanche activity, please refer to the
Wallowa Avalanche Center website at: WWW.WALLOWAAVALANCHECENTER.ORG.
You may also visit WWW.AVALANCHE.ORG for the latest avalanche
information nationwide.
* WHAT...Snow expected. Total snow accumulations of 1 to 2 inches
possible.
* WHERE...Portions of northwest and west central Washington.
* WHEN...Until 10 AM PST Thursday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Wednesday morning and evening commutes.
* ADDITIONAL DETAILS...Snow amounts will be variable across the
area. Localized higher amounts are possible under any bands of
heavier snow that develop.
* WHAT...Snow expected. Total snow accumulations of 1 to 2 inches
possible.
* WHERE...Portions of northwest and west central Washington.
* WHEN...Until 10 AM PST Thursday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Wednesday morning and evening commutes.
* ADDITIONAL DETAILS...Snow amounts will be variable across the
area. Localized higher amounts are possible under any bands of
heavier snow that develop.
* WHAT...Heavy snow. Additional snow accumulations up to one inch.
Winds gusting as high as 35 mph.
* WHERE...Plummer, Oakesdale, Uniontown, Potlatch, Colfax, La
Crosse, Pullman, Moscow, Genesee, Tekoa, and Rosalia.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Snow accumulations this morning will create challenging
travel for the Wednesday morning commute.
* ADDITIONAL DETAILS...Wind gusts up to 30 miles per hour for
Pullman and Moscow down to Uniontown. Localized drifting snow for
Pullman and Moscow south to Uniontown will limit visibility at
times.
* WHAT...Heavy snow. Additional snow accumulations up to one inch.
Winds gusting as high as 35 mph.
* WHERE...Peck, Lapwai, Culdesac, Alpowa Summit, Clarkston,
Lewiston, Lewiston Grade, Gifford, and Pomeroy.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Motorists should be prepared for winter driving with
challenging travel conditions. The wintry conditions will impact
the Wednesday morning commute.
* ADDITIONAL DETAILS...Wind gusts up to 35 miles per hour for
Pomeroy and Alpowa Summit. Localized drifting snow will limit
visibility at times.
* WHAT...Snow. Additional snow accumulations up to one inch. Winds
gusting as high as 45 mph.
* WHERE...Cloverland Road, Peola, Anatone, and Mountain Road.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Plan on slippery road conditions. Localized drifting
snow will limit visibility at times.