Pacific northwest weather forecast winter

    • [DOC File]Weather Impact Playbook (WIP)

      https://info.5y1.org/pacific-northwest-weather-forecast-winter_1_943562.html

      The TAFs tend to over-forecast weather at BZN. The “mountains block a lot of the weather” (rain shadow). ... can moderate the temperatures of cold winter winds blowing from the northwest and helps drive a lake/valley wind system. ... reaches a maximum in the spring when storms from the Pacific Ocean are moving through the area more ...

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    • [DOC File]Weekly Report Drought Monitor / Snowpack Update

      https://info.5y1.org/pacific-northwest-weather-forecast-winter_1_d6f1fa.html

      Jan 08, 2009 · Seasonal precipitation (rain & snow water equivalent) as a percent of normal for the 2009 Water Year that began on October 1, 2008 shows values increasing by at least 10% over portions of the Pacific Northwest and Northern Rockies with totals falling by at least 10% over central Arizona during the past week (Fig. 3a).

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    • [DOC File]LONG-RANGE FORECASTING OF FIRE SEASON SEVERITY

      https://info.5y1.org/pacific-northwest-weather-forecast-winter_1_b19f98.html

      Conditions have improved in the Pacific Northwest and dryness is not expected to be a factor here. The upper Great Plains are in mild to moderate drought and even a favorable precipitation forecast may not improve things significantly. It is not anticipated that conditions will worsen, but the area bears watching.

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    • [DOC File]A Notebook on Forecasting the Weather

      https://info.5y1.org/pacific-northwest-weather-forecast-winter_1_4a0b4c.html

      Simplest forecast field: 500 mb Z chart showing N. America, and preferably a little of the NE Pacific at the time of the most recent upper air observations. The advantage of an analysis map (i.e. a “forecast” chart for “0 hr”) is that the chart will have the same format as the forecast …

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    • [DOC File]Winter Maintanance Research Roadmap

      https://info.5y1.org/pacific-northwest-weather-forecast-winter_1_3427aa.html

      Conduct a facilitated workshop with key stakeholders from groups such as Federal Highway Administration (FHWA), Clear Roads, Aurora, Pacific Northwest Snowfighters (PNS), Snow and Ice Pooled Fund Cooperative Program (SICOP), and the Winter Maintenance Peer Exchange in order to: a) characterize the current state of research, including status of ...

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    • [DOC File]An Emergency and Risk Management

      https://info.5y1.org/pacific-northwest-weather-forecast-winter_1_29432b.html

      Officials have approved nearly $105 million to assist people whereas about $85 million in assistance was distributed following the winter flooding of 1996. "When severe weather is headed our way, we encourage you to tune in to NOAA Weather Radio or local media for the latest reports," said Chris Hill, meteorologist in charge of the NWS forecast ...

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    • [DOC File]Weather Impact Playbook (WIP)

      https://info.5y1.org/pacific-northwest-weather-forecast-winter_1_82fe74.html

      Winter rains on the California coast are primarily due to occluded fronts on a trajectory from the west-northwest, and an occasional cold front from the Gulf of Alaska. These systems are driven southward during the winter as the Pacific High drifts south and westerlies and Polar jet stream dip south of 40N.

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    • [DOC File]Heavy Precipitation over Western North America: Synoptic ...

      https://info.5y1.org/pacific-northwest-weather-forecast-winter_1_b63477.html

      Heavy Precipitation over the West Coast of North America: Climatology, Synoptic/Mesoscale Forcing, and Long-Term Trends . Introduction. Flooding and slope failures due to heavy precipitation are the most serious weather-related threats for the U.S. west coast.

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    • [DOC File]Use of Climate Information in Official Western US Water ...

      https://info.5y1.org/pacific-northwest-weather-forecast-winter_1_606a43.html

      The use of climate information in other operational hydrologic forecasting agencies, such as the National Weather Service and the Salt River Project, are also highlighted. While there are benefits gained from using climate information in water supply outlooks, there are also potential hazards arising from climate forecast use and abuse.

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    • [DOC File]LONG-RANGE FORECASTING OF FIRE SEASON SEVERITY

      https://info.5y1.org/pacific-northwest-weather-forecast-winter_1_d2c80f.html

      Near-record low snow accumulations this winter will have a drastic impact on water supplies and moisture conditions in the Pacific Northwest. Above normal rainfall and snow pack this winter have improved conditions in the Southwest more than at any time in the last five years.

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