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On Winter Precipitation at Cypress Mountain, British Columbia, during SNOW-V10

Cypress Mountain, north of Vancouver, is a coastal barrier for moisture-laden onshore airflow and subject to large amounts of precipitation. The athletic events at this site during the 2010 Winter Olympics were frequently delayed due to the occurrence of rain rather than snow. Unprecedented data on precipitating systems were obtained between January and April 2010 during the SNOW-V10 (Science and Nowcasting Olympic Weather for Vancouver 2010) field campaign. This included information collected from specialized radar, enhanced surface weather stations, as well as from operational radar and satellite data. Some precipitation events lasted ≥ 24 h, although heavier precipitation rates typically lasted ≤ 6 h. Freezing rain was also inferred. Specialized radar showed changes in reflectivity values with height, yielded information regarding melting layer heights, and detected upward motion of precipitation particles. Differences in daily precipitation amounts of ≥ 50 mm from on the mountain to its base were also measured. / October 2015

Identiferoai:union.ndltd.org:MANITOBA/oai:mspace.lib.umanitoba.ca:1993/30616
Date08 July 2015
CreatorsBerg, Hans William Stephen
ContributorsStewart, Ronald E. (Environment and Geography), Hanesiak, John (Environment and Geography) Joe, Paul (Environment Canada)
Source SetsUniversity of Manitoba Canada
Detected LanguageEnglish

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