2013年1月29日星期二

So-so snowpack gets big boost as Cascade snow machine

  For several dry weeks in January, Oregon's snowpack languished ashigh pressure and an inversion sent temperatures into the 60s andeven 70s above 2,000 feet. Winter storms swerved into Alaska orBritish Columbia as the snowpack here dwindled.But as in years past, a round of powerful storms is expected to push the snowpack from below average back to average and beyond.Snow that started falling Sunday in the Cascades isn't forecast to let up until at least Thursday, forecasters said."By the end of the day Wednesday,we could see a storm total of 2 to 5 feet," said Liana Ramirez, a forecaster for the National Weather Service in Portland.The set-up for this massive snow dump is fairly unusual, Ramirez said. While most of our snow-making storms come directly west off the Pacific Ocean, this week's systems are dropping down from the north/northwest,whisky stones squeezed between a ridge of high pressure offshore and low pressure over eastern Oregon. High pressure is offshore just far enough to let the moisture sneak in, she said.This pattern, Ramirez said, can lead to dry, cool conditions. Instead, it's the perfect scenario for heavy snow. High winds and drifting snow are expected to create blizzard conditions and whiteout conditions Tuesday into Wednesday, forecasters said.As one of Ramirez's colleagues wrote on the weather service's Facebook page: "The Cascade snow machine is underway and will be at full tilt the next couple of days." Statewide, Oregon's snowpack stood at 82 percent of average early Monday, but that number doesn't reflect more than a foot that fell throughout the day Monday. The snowpack essentially is a frozen reservoir that melts slowly during the dry summer months -- vital not only for Oregon's farmers but for hydroelectric power generation, recreation, salmon runs and drinking water. It often can be the dividing line between an average forest fire season and a devastating one.After an extraordinarily dry summer and early fall,The integrative series crushing station can be used independently;it can also supply more flexible process configuration based on the China Motion Sensor Lights Offers material types, product requirement of customers to satisfy the movable crushing and screening demand.A great group of blades can make preparing food much easier because possessing dull whisky rocks manufacturer or poor blades could cause many concerns. the state's snowpack got off to a great start in mid-October, with a so-so November followed by a robust December."Those last two weeks of December really improved the snowpack,Stone crusher" said Julie Koeberle, a hydrologist with the Natural Resources Conservation Service in Portland.Project after the success of the domestic Jaw crusher not only took on behalf of the imported board hammer, but also export to Europe, America, Japan and other countries. "But January and February are crucial months for our snowpack. We had a few on and off storms during January, but the snowpack kept dropping."

没有评论:

发表评论