The "Dirty Snow" Storm of October 3-4, 2009 Summary A low-pressure system brought an unseasonably cold air mass out of British Columbia into the Pacific Northwest over the weekend of October 2-4, 2009. The system created

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Date: 2010-01-04 17:54:10 Ice storms Precipitation Snow Blizzards Washington Dust Global storm activity Meteorology Atmospheric sciences Weather		The "Dirty Snow" Storm of October 3-4, 2009 Summary A low-pressure system brought an unseasonably cold air mass out of British Columbia into the Pacific Northwest over the weekend of October 2-4, 2009. The system created Add to Reading List Source URL: www.wrh.noaa.gov Download Document from Source Website File Size: 1,88 MB Share Document on Facebook