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- Title
Trends and Variability of North Pacific Polar Lows.
- Authors
Fei Chen; von Storch, Hans
- Abstract
The 6-hourly 1948-2010 NCEP 1 reanalyses have been dynamically downscaled for the region of the North Pacific. With a detecting and- tracking algorithm, the climatology of North Pacific Polar Lows has been constructed. This derived climatology is consistent with the limited observational evidence in terms of frequency and spatial distribution. The climatology exhibits strong year-to-year variability but weak decadal variability and a small positive trend. A canonical correlation analysis describes the conditioning of the formation of Polar Lows by characteristic seasonal mean flow regimes, which favor, or limit, cold air outbreaks and upper air troughs.
- Subjects
NORTH Pacific Region; POLAR vortex; TRACKING algorithms; CLIMATOLOGY; DIFFERENCES; CANONICAL correlation (Statistics)
- Publication
Advances in Meteorology, 2013, p1
- ISSN
1687-9309
- Publication type
Article
- DOI
10.1155/2013/170387