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Special Weather Statement

Special Weather Statement
National Weather Service Portland OR
405 PM PDT Wed Apr 14 2021

Coast Range of Northwest Oregon-
Central Coast Range of Western Oregon-Lower Columbia-
Greater Portland Metro Area-Central Willamette Valley-
South Willamette Valley-Northern Oregon Cascade Foothills-
Northern Oregon Cascades-Cascade Foothills in Lane County-
Cascades in Lane County-Upper Hood River Valley-
Western Columbia River Gorge-Central Columbia River Gorge-
South Washington Cascades-Willapa Hills-I-
5 Corridor in Cowlitz County-Greater Vancouver Area-
South Washington Cascade Foothills-
Including the cities of Vernonia, Jewell, Sunset Summit,
Lees Camp, Trask, Grande Ronde, Burnt Woods, Tidewater,
Swisshome, Veneta, St. Helens, Clatskanie, Hillsboro, Portland,
Wilsonville, Oregon City, Gresham, Troutdale, Salem, McMinnville,
Woodburn, Stayton, Dallas, Eugene, Springfield, Corvallis,
Albany, Lebanon, Sandy, Estacada, Silver Falls State Park,
Sweet Home, Government Camp, Detroit, Santiam Pass, Vida, Jasper,
Lowell, Cottage Grove, McKenzie Pass, McKenzie Bridge, Oakridge,
Willamette Pass, Parkdale, Odell, Corbett, Rooster Rock,
Multnomah Falls, Cascade Locks, Hood River,
Coldwater Ridge Visitors Center, Mount St. Helens,
Wind River Valley, Willapa, Frances, Elk Mountain, Ryderwood,
Longview, Kelso, Castle Rock, Vancouver, Battle Ground,
Ridgefield, Washougal, Yacolt, Amboy, Toutle, Ariel, Lake Merwin,
Yale Lake, Cougar, North Bonneville, Stevenson, Carson,
and Underwood
405 PM PDT Wed Apr 14 2021


A period of prolonged offshore flow combined with slowly warming
temperatures will lead to unseasonably dry conditions this week.
In addition to the dry weather, north to northeast winds will
increase slightly Thursday afternoon before diminishing
overnight. Even breezier conditions are expected on Friday as
offshore flow strengthens.

Temperatures will also climb through Friday with highs topping out
in the mid to upper 70s for the interior lowlands. Highs in the
80s are expected this weekend, although it should be less breezy.
Expect relative humidity values to bottom out somewhere between
15-25% for most locations on Thursday and Friday. The warm, dry
and windy conditions will further dry out the already dry vegetation.

The combination of all of these factors will elevate the risk of
fire spread through this week, especially on Friday. Extra
caution is advised with fire, at least through the upcoming
weekend. Be sure to check with your local fire district before
burning, as there may be restrictions in place.


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NOAA National Weather Service
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Silver Spring, MD 20910
Page last modified: May 16, 2007
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