Lingering air mass extends its stay.Byline: Diane Dietz The Register-Guard The Willamette Valley's air through Thanksgiving Day will be stagnant, dirty and difficult for people with delicate or unhealthy lungs, officials said Monday. A high pressure ridge A pressure ridge is an ice formation typically found on large frozen lakes during the winter. In the most basic sense, a pressure ridge is a long crack in the ice that occurs because of repeated heating and cooling on the surface of the lake. has cemented a stable air mass over the valley for the past eight days, according to according to prep. 1. As stated or indicated by; on the authority of: according to historians. 2. In keeping with: according to instructions. 3. the National Weather Service. A trough won't move in to displace that ridge until Friday, a state weather official said. The dank dank adj. dank·er, dank·est Disagreeably damp or humid. See Synonyms at wet. [Middle English, probably of Scandinavian origin. , foggy mass has accumulated sooty soot·y adj. soot·i·er, soot·i·est 1. Covered with or as if with soot. 2. Blackish or dusky in color. 3. Of or producing soot. particulates from wood stoves, diesel engines and burning at wood products plants. To protect the air quality from further deterioration, the state Department of Forestry banned burning on all forests statewide beginning Monday. The Department of Environmental Quality asked people not to use fireplaces or wood stoves unless necessary for heat. Officials first made the no-fires request early last week. Outdoor burning is prohibited. The Lane Regional Air Pollution Authority is using a yellow alert - called "moderate" - to describe the Eugene-Springfield airshed. The last day the metro area This article is about the music production team. For the article about population centers, see metropolitan area. Metro Area are a Brooklyn-based dance music production team composed of Morgan Geist and Darshan Jesrani. had a breathe-as-deeply-as-you-want green symbol was Nov. 15. "It looks like this stable air mass will continue into Thanksgiving Day," Jim Trost, forestry department meteorologist, said in a news release. "Then a trough moves in Friday, that will force the high pressure out, the winds will pick up and mixing will improve, allowing us to start burning again." Forest burning is used to remove logging slash and reduce brush in order to prevent wildfires. Idaho on Monday issued a ban on forest burning due to similar atmospheric conditions there. CAPTION(S): Fog shrouds southwest Eugene - and much of the Willamette Valley The Willamette Valley (pronounced [wɪˈlæ.mɪt], with the accent on the second syllable) is the region in northwest Oregon in the United States that surrounds the Willamette River as it proceeds northward from its - as a stagnant air mass sticks around. Winds are expected to move in Friday. |
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