...BREEZY WINDS AND LOW HUMIDITY SUNDAY...
.Winds will increase on Sunday as a dry cold front sweeps across
eastern Washington and eastern Oregon. Very dry air will also
accompany the cold front, causing the relative humidity to
quickly fall in many locations of the Columbia Basin. As a
result, this area will be susceptible to rapid fire spread.
The National Weather Service in Pendleton has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 11 AM to 7 PM PDT Sunday. The Fire Weather Watch is no
longer in effect.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon and 691 Lower Columbia Basin.
* WINDS...West 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 15 percent.
* IMPACTS...Rapid fire spread may occur, particularly in dry
grassy areas.
* WHAT...Visibility of one quarter mile or less in dense fog.
* WHERE...Tillamook County Coast and Central Coast of Oregon.
* WHEN...Until noon PDT today.
* IMPACTS...Low visibility could make driving conditions hazardous.
...BREEZY WINDS AND LOW HUMIDITY SUNDAY...
.Winds will increase on Sunday as a dry cold front sweeps across
eastern Washington and eastern Oregon. Very dry air will also
accompany the cold front, causing the relative humidity to
quickly fall in many locations of the Columbia Basin. As a
result, this area will be susceptible to rapid fire spread.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon and 691 Lower Columbia Basin.
* WINDS...West 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 15 percent.
* IMPACTS...Rapid fire spread may occur, particularly in dry
grassy areas.
...BREEZY WINDS AND LOW HUMIDITY SUNDAY...
.Winds will increase on Sunday as a dry cold front sweeps across
eastern Washington and eastern Oregon. Very dry air will also
accompany the cold front, causing the relative humidity to
quickly fall in many locations of the Columbia Basin. As a result,
this area will be susceptible to rapid fire spread.
The National Weather Service in Pendleton has issued a Fire
Weather Watch for wind and low relative humidity, which is in
effect from Sunday morning through Sunday evening.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon and 691 Lower Columbia Basin of Washington.
* WINDS...West 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 15 percent.
* IMPACTS...Rapid fire spread may occur, particularly in dry
grassy areas.
* WHAT...Visibility less than one quarter mile in dense fog.
* WHERE...In Oregon, East Central Willamette Valley, East Portland
Metro, Inner Portland Metro, Lower Columbia River, Outer Southeast
Portland Metro, Portland West Hills and Chehalem Mountain,
Tualatin Valley, West Central Willamette Valley, Benton County
Lowlands, Lane County Lowlands, and Linn County Lowlands. In
Washington, Cowlitz County Lowlands, East Clark County Lowlands,
Inner Vancouver Metro, and North Clark County Lowlands.
* WHEN...Until 11 AM PDT this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Wet conditions and cool overnight
temperatures are supporting patchy dense fog throughout the
Willamette Valley and could be present during the morning commute.
Fog should lift by mid to late morning.
* WHAT...West winds 15 to 25 mph with gusts up to 50 mph.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington,
Foothills of the Southern Blue Mountains of Oregon, North Central
Oregon, Kittitas Valley, Yakima Valley, and Simcoe Highlands.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Visibility between one-quarter and one mile in blowing dust.
* WHERE...Lower Columbia Basin of Oregon and Washington.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Hazardous driving conditions due to reduced visibility.
* WHAT...Visibility between one-quarter and one mile in blowing dust.
* WHERE...Grande Ronde Valley.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Hazardous driving conditions due to reduced visibility.
* WHAT...For the Blowing Dust Advisory, visibility between
one-quarter and one mile in blowing dust. For the Wind Advisory,
west winds 15 to 25 mph with gusts up to 50 mph.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Foothills of the Blue Mountains of
Washington.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Hazardous driving conditions due to reduced visibility.
Gusty winds will blow around unsecured objects. Tree limbs could
be blown down and a few power outages may result.
* WHAT...For the Blowing Dust Advisory, visibility between
one-quarter and one mile in blowing dust. For the Wind Advisory,
west winds 15 to 25 mph with gusts up to 50 mph.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Foothills of the Blue Mountains of
Washington.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Hazardous driving conditions due to reduced visibility.
Gusty winds will blow around unsecured objects. Tree limbs could
be blown down and a few power outages may result.
* WHAT...Southwest winds 20 to 35 mph with gusts up to 55 mph.
* WHERE...Higher terrain in central and Eastern Lake County.
* WHEN...Until 8 PM PDT this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...West winds 20 to 30 mph with gusts up to 45 mph expected.
* WHERE...Foothills of the Blue Mountains of Oregon and Washington,
Eastern Columbia River Gorge of Oregon and Washington, North
Central Oregon, Kittitas Valley, Yakima Valley, and Simcoe
Highlands.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Visibility between one-quarter and one mile in blowing dust
expected. West winds 20 to 30 mph with gusts up to 45 mph expected.
* WHERE...Lower Columbia Basin of Oregon and Washington.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Hazardous driving conditions due to reduced visibility.
* WHAT...Visibility between one-quarter and one mile in blowing dust
expected. West winds 20 to 30 mph with gusts up to 45 mph expected.
* WHERE...Lower Columbia Basin of Oregon and Washington.
* WHEN...From 2 PM this afternoon to 11 PM PDT this evening.
* IMPACTS...Hazardous driving conditions due to reduced visibility.
* WHAT...West winds 20 to 30 mph with gusts up to 45 mph expected.
* WHERE...Foothills of the Blue Mountains of Oregon and Washington,
Eastern Columbia River Gorge of Oregon and Washington, North
Central Oregon, Kittitas Valley, Yakima Valley, and Simcoe
Highlands.
* WHEN...From 2 PM this afternoon to 11 PM PDT this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Visibility between one-quarter and one mile in blowing dust
expected. West winds 20 to 30 mph with gusts up to 45 mph expected.
* WHERE...Lower Columbia Basin of Oregon and Washington.
* WHEN...From 11 AM to 11 PM PDT Wednesday.
* IMPACTS...Hazardous driving conditions due to reduced visibility.
* WHAT...West winds 20 to 30 mph with gusts up to 45 mph expected.
* WHERE...Foothills of the Blue Mountains of Oregon and Washington,
Eastern Columbia River Gorge of Oregon and Washington, North
Central Oregon, Kittitas Valley, Yakima Valley, and Simcoe
Highlands.
* WHEN...From 11 AM to 11 PM PDT Wednesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Visibility one half mile in dense fog.
* WHERE...In Oregon, Clatsop County Coast, Tillamook County Coast,
and Central Coast of Oregon. In Washington, South Washington Coast.
* WHEN...Until 11 AM PDT this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Patchy fog in the interior valleys of the
Coast Range possible but generally concentrated along the
nearshore locations. Areas within the central Oregon coast will
see fog lift slightly earlier than the north Oregon and south
Washington coast.
* WHAT...Temperatures of 33 to 36 will result in frost formation.
* WHERE...Valleys and populated areas within Lake, Klamath, and
Modoc counties, including Chemult, Fort Rock, Christmas Valley,
Sprague River, Bly, Silver Lake, Lakeview, and Alturas.
* WHEN...From 2 AM to 9 AM PDT Sunday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* WHAT...Temperatures between 36 and 32 degrees will result in frost
formation.
* WHERE...The valleys and populated areas within Lake, Klamath, and
Modoc counties, including Chemult, Fort Rock, Christmas Valley,
Sprague River, Bly, Silver Lake, Lakeview, and Alturas.
* WHEN...From 2 AM to 9 AM PDT Sunday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
