Knowledge Resource Center for Ecological Environment in Arid Area
| 报告编号 | PB2008111013 |
| Frontogenesis, Conditional Symmetric Instability and Microphysics: A Rare Desert Snow Event. | |
| Orow, H; Czyzyk, S. | |
| 英文摘要 | During the overnight and early morning hours of November 21, 2004, a strong low pressure system brought up to 12 inches of snowfall to the deserts of San Bernardino County in Southern California. Snow accumulations of this magnitude over the deserts of Southern California are rare. The study of this event concentrates on the town of Yucca Valley, CA which received between 8 and 12 inches of snowfall. Yucca Valley is located in the south central portion of San Bernardino County at an elevation of 3500 ft (Fig. 1). This paper will examine the ingredients that came together to produce this heavy snowfall event, particularly how strong dynamics and favorable cloud microphysics can overcome the lack of a deep layer moisture tap to produce significant snowfall accumulations. This case also underscored the importance of utilizing analysis skills and maintaining a high level of situational awareness in order to deduce the presence of mesoscale processes that may require adjustments to model predictions. |
| 英文关键词 | Frontogenesis Deserts Snowfall Microphysics Southern California Cloud physics Meso scale phenomena Yucca Valley(California) |
| 出版年 | 2008 |
| 语种 | 英语 |
| 国家 | United States |
| URL | http://r.cnki.net/KCMS/detail/detail.aspx?DbCode=KJBG&dbname=KJBGW&filename=59fb2f4731c97d1d54a021da |
| 来源机构 | National Oceanic and Atmospheric Administration |
| 资源类型 | 科技报告 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/273576 |
| 推荐引用方式 GB/T 7714 | Orow, H,Czyzyk, S.. Frontogenesis, Conditional Symmetric Instability and Microphysics: A Rare Desert Snow Event.,2008. |
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