* WHAT...Snow expected Above 4500 feet. Total snow accumulations 5
to 8 inches. Winds gusting as high as 45 mph.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...From 5 PM Wednesday to 11 PM PDT Thursday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow. Gusty winds could bring down tree branches.
Two back-to-back winter systems will move over the region through
Saturday morning. The first will arrive late Wednesday through
Thursday. This system will bring snow to the Cascades and breezy
winds. The second system will arrive on Friday. This frontal passage
is warmer but will continue to be evaluated in regards to future
advisories or warnings.
* WHAT...Snow expected. Total snow accumulations up to 10 to 12
inches. Up to 17 inches above 5500 feet. Winds gusting as high as
35 mph.
* WHERE...Northern and Central Oregon Cascades.
* WHEN...From 5 PM Wednesday to 5 PM PDT Thursday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* ADDITIONAL DETAILS...There is around a 20% chance that snow
accumulation would exceed 12 inches at elevations above 4000 feet.
For this scenario to occur, colder air would need to be present
than what is forecast. This first system will be closely followed
by a second frontal system so there may be minimal break between
them.
* WHAT...South winds 30 to 40 mph with gusts up to 60 mph expected
with gusts up to 70 mph in the headlands.
* WHERE...Curry County Coast and South Central Oregon Coast. This
includes portions of highway 101, especially exposed areas and
also Cape Blanco and Cape Arago. Cities include Reedsport, North
Bend, Coos Bay, Bandon, Port Orford, Nesika Beach, Gold Beach,
Pistol River and Brookings.
* WHEN...From 7 AM to 5 PM PDT Wednesday.
* IMPACTS...Winds may blow down tree branches and create sporadic
power outages. Travel will be difficult, especially for high
profile vehicles.
...THE FIRST OF TWO SYSTEMS TO HIT SOUTHERN OREGON...
.An upper level wave and cold front will bring the first of two
rounds of winter weather to the region. Major impacts are not
anticipated, although there may be some travel difficulties over
higher terrain as this system moves through Wednesday evening.
Another system is anticipated to move through Friday and impact
locations farther north.
* WHAT...Snow expected. Total snow accumulations between 5 and 16
inches with the highest totals in the Central Cascades and lower
totals in the Siskiyou Mountains. Winds gusting as high as 40 mph
over high and exposed terrain.
* WHERE...Elevations above 5000 feet in the southern Oregon Cascades
and Siskiyou Mountains. This includes Crater and Diamond Lake,
Lake of the Woods, Mt Ashland Ski Area as well as Highways 140,
62, 138 and 230.
* WHEN...From 5 PM Wednesday to 5 PM PDT Thursday.
* IMPACTS...Travel could be difficult during the winter event.
* ADDITIONAL DETAILS...This is the first of two systems. The second
system on Friday will also produce impactful weather for the
higher terrain.
...The Flood Warning continues for the following rivers in Oregon...
Owyhee River Below Owyhee Dam affecting Malheur County.
.Snow melt and increased reservoir releases will cause the river
flows to become high. Expect minor flooding downstream from the dam.
For the Owyhee River...including Owyhee Dam, Owyhee Dam...Minor
flooding is forecast.
* WHAT...Minor flooding is forecast.
* WHERE...Owyhee River below Owyhee Dam.
* WHEN...Until further notice.
* ADDITIONAL DETAILS...
- At 1:30 PM MDT Tuesday /12:30 PM PDT Tuesday/ the flow was
1,336.0 cfs.
- Bankfull flow is 1,000.0 cfs.
- Forecast...The river is expected to rise above flood stage
late this afternoon and continue rising to 3,387.9 cfs this
evening. Additional rises are possible thereafter.
- Flood flow is 3,000.0 cfs.
- Flood History...This crest compares to a previous crest of
3,560.0 cfs on 04/20/1999.
- https://www.weather.gov/safety/flood
* WHAT...Snow. Additional snow accumulations between 2 and 4 inches.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 2 PM PDT this afternoon.
* IMPACTS...Plan on slippery road conditions.
...The Flood Warning is extended for the following rivers in
Oregon...
Coquille River at Coquille affecting Coos County.
For the Coquille River...including Coquille...Moderate flooding is
forecast.
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* WHERE...Coquille River at Coquille.
* WHEN...Until late Thursday morning.
* IMPACTS...At 24.0 feet, Homes and roads are threatened in
low-lying areas along and near the Coquille River. Expect
significant widespread flooding throughout the Coquille River
estuary to Myrtle Point.
* ADDITIONAL DETAILS...
- At 3:45 AM PDT Tuesday the stage was 23.9 feet.
- Bankfull stage is 20.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 3:45 AM PDT Tuesday was 24.8 feet.
- Forecast...The river will oscillate around 24.0 feet through
late tonight. It will gradually fall below flood stage
Wednesday evening.
- Flood stage is 21.0 feet.
- Flood History...This crest compares to a previous crest of
23.9 feet on 11/24/1961.
- http://www.weather.gov/safety/flood
...The Flood Warning is extended for the following rivers in
Oregon...
Rogue River near Agness affecting Curry County.
For the Rogue River...including Agness...Minor flooding is forecast.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Rogue River near Agness.
* WHEN...Until late Wednesday morning.
* ADDITIONAL DETAILS...
- At 3:30 AM PDT Tuesday the stage was 22.9 feet.
- Bankfull stage is 14.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 3:30 AM PDT Tuesday was 33.9 feet.
- Forecast...The river will fall below flood stage late Tuesday
evening.
- Flood stage is 17.0 feet.
- Flood History...This crest compares to a previous crest of
24.0 feet on 03/18/1975.
- http://www.weather.gov/safety/flood
* WHAT...South winds 25 to 35 mph with gusts up to 60 mph possible.
Gusts to 70 mph possible over exposed headlands.
* WHERE...Curry County Coast and South Central Oregon Coast. This
includes portions of highway 101, especially exposed areas and
also Cape Blanco and Cape Arago. Cities include Reedsport, North
Bend, Coos Bay, Bandon, Port Orford, Nesika Beach, Gold Beach,
Pistol River and Brookings.
* WHEN...From Wednesday morning through Wednesday afternoon.
* IMPACTS...Damaging winds could blow down trees and power lines.
Widespread power outages are possible. Travel could be difficult,
especially for high profile vehicles.
* WHAT...Heavy snow possible. Total snow accumulations between 8 to
10 inches possible on Wednesday and 6 to 12 inches possible on
Friday. Winds could gust as high as 45 mph on Wednesday.
* WHERE...Elevations above 4500 feet in the southern Oregon Cascades
and Siskiyou Mountains. This includes Crater and Diamond Lakes,
Lake of the Woods, Mt Ashland Ski Area as well as Highways 140,
62, 138 and 230.
* WHEN...From Wednesday afternoon through Friday evening.
* IMPACTS...Travel could be very difficult during the winter event.
* ADDITIONAL DETAILS...This will come in as two systems with the
first on Wednesday and the other on Friday. There will likely be a
break between the two systems on Thursday, but there is some
uncertainty on how long that break will be.
* WHAT...For the Winter Weather Advisory, snow expected. Additional
snow accumulations between 1 and 5 inches. For the Winter Storm
Watch, heavy snow possible. Total snow accumulations of up to 20
inches to 4500 feet, and up to 35 inches at higher elevations
possible.
* WHERE...Northern and Central Oregon Cascades.
* WHEN...For the Winter Weather Advisory, until 5 PM PDT this
afternoon. For the Winter Storm Watch, from Wednesday afternoon
through Friday evening.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* ADDITIONAL DETAILS...For the Winter Storm Watch, there is around a
60-80% chance for 12 inches or more of snow late Wednesday through
Friday as two frontal systems affect the area.
* WHAT...For the Winter Weather Advisory, snow expected. Additional
snow accumulations between 1 and 5 inches. For the Winter Storm
Watch, heavy snow possible. Total snow accumulations of up to 20
inches to 4500 feet, and up to 35 inches at higher elevations
possible.
* WHERE...Northern and Central Oregon Cascades.
* WHEN...For the Winter Weather Advisory, until 5 PM PDT this
afternoon. For the Winter Storm Watch, from Wednesday afternoon
through Friday evening.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* ADDITIONAL DETAILS...For the Winter Storm Watch, there is around a
60-80% chance for 12 inches or more of snow late Wednesday through
Friday as two frontal systems affect the area.
* WHAT...Snow Above 4500 feet. Additional snow accumulations up to 4
inches.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...Until 5 PM PDT Tuesday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
* WHAT...Snow. Additional snow accumulations up to 6 inches.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 2 PM PDT Tuesday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
* WHAT...Heavy snow possible. Total snow accumulations between 7 and
20 inches possible. This will come in as two systems with the
potential for a break between the two systems on Thursday evening.
* WHERE...Elevations 4500 feet in the southern Oregon Cascades and
Siskiyou Mountains.
* WHEN...From Wednesday afternoon through Friday evening.
* IMPACTS...Travel could be very difficult during the winter event.
* WHAT...South winds 25 to 35 mph with gusts up to 60 mph possible.
Gusts to 70 mph possible over exposed headlands.
* WHERE...Curry County Coast and South Central Oregon Coast. This
includes portions of highway 101, especially exposed areas and
also Cape Blanco and Cape Arago. Cities include Reedsport, North
Bend, Coos Bay, Bandon, Port Orford, Nesika Beach, Gold Beach,
Pistol River and Brookings.
* WHEN...From Wednesday morning through Wednesday afternoon.
* IMPACTS...Damaging winds could blow down trees and power lines.
Widespread power outages are possible. Travel could be difficult,
especially for high profile vehicles.
...The Flood Warning continues for the following rivers in Oregon...
Coquille River at Coquille affecting Coos County.
For the Coquille River...including Coquille...Moderate flooding is
forecast.
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* WHERE...Coquille River at Coquille.
* WHEN...Until Thursday morning.
* IMPACTS...At 24.0 feet, Homes and roads are threatened in
low-lying areas along and near the Coquille River. Expect
significant widespread flooding throughout the Coquille River
estuary to Myrtle Point.
* ADDITIONAL DETAILS...
- At 7:45 PM PDT Monday the stage was 24.2 feet.
- Bankfull stage is 20.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 7:45 PM PDT Monday was 24.8 feet.
- Forecast...The river will oscillate around 24.0 feet feet
tonight into Tuesday. It will gradually fall below flood
stage Wednesday evening.
- Flood stage is 21.0 feet.
- Flood History...This crest compares to a previous crest of
24.5 feet on 12/14/2015.
- http://www.weather.gov/safety/flood
* WHAT...Heavy snow possible. Total snow accumulations between 7 and
20 inches possible. This will come in as two systems with the
potential for a break between the two systems on Thursday evening.
* WHERE...Elevations 4500 feet in the southern Oregon Cascades and
Siskiyou Mountains.
* WHEN...From Wednesday afternoon through Friday evening.
* IMPACTS...Travel could be very difficult during the winter event.
...The Flood Warning continues for the following rivers in Oregon...
Rogue River near Agness affecting Curry County.
For the Rogue River...including Agness...Minor flooding is forecast.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Rogue River near Agness.
* WHEN...Until late Wednesday morning.
* IMPACTS...At 30.0 feet, Campgrounds and river access roads near
the lower Rogue River are under water. Lobster Creek Bridge on
county road is under water. Water nears many residences along the
lower Rogue River. Water begins to go over the north bank roads
along the river.
* ADDITIONAL DETAILS...
- At 4:30 PM PDT Monday the stage was 28.8 feet.
- Bankfull stage is 17.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 4:30 PM PDT Monday was 34.6 feet.
- Forecast...The river will fall below flood stage late Tuesday
evening.
- Flood stage is 17.0 feet.
- http://www.weather.gov/safety/flood
