Trends and Variability of North Pacific Polar Lows
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...
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| Format: | Article |
| Language: | English |
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Wiley
2013-01-01
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| Series: | Advances in Meteorology |
| Online Access: | http://dx.doi.org/10.1155/2013/170387 |
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| _version_ | 1849307660505055232 |
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| author | Fei Chen Hans von Storch |
| author_facet | Fei Chen Hans von Storch |
| author_sort | Fei Chen |
| collection | DOAJ |
| description | 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. |
| format | Article |
| id | doaj-art-216141f7507643d8a2a4f6e944a0fa38 |
| institution | Kabale University |
| issn | 1687-9309 1687-9317 |
| language | English |
| publishDate | 2013-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Meteorology |
| spelling | doaj-art-216141f7507643d8a2a4f6e944a0fa382025-08-20T03:54:42ZengWileyAdvances in Meteorology1687-93091687-93172013-01-01201310.1155/2013/170387170387Trends and Variability of North Pacific Polar LowsFei Chen0Hans von Storch1Institute of Coastal Research, Helmholtz-Zentrum Geesthacht, GermanyInstitute of Coastal Research, Helmholtz-Zentrum Geesthacht, GermanyThe 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.http://dx.doi.org/10.1155/2013/170387 |
| spellingShingle | Fei Chen Hans von Storch Trends and Variability of North Pacific Polar Lows Advances in Meteorology |
| title | Trends and Variability of North Pacific Polar Lows |
| title_full | Trends and Variability of North Pacific Polar Lows |
| title_fullStr | Trends and Variability of North Pacific Polar Lows |
| title_full_unstemmed | Trends and Variability of North Pacific Polar Lows |
| title_short | Trends and Variability of North Pacific Polar Lows |
| title_sort | trends and variability of north pacific polar lows |
| url | http://dx.doi.org/10.1155/2013/170387 |
| work_keys_str_mv | AT feichen trendsandvariabilityofnorthpacificpolarlows AT hansvonstorch trendsandvariabilityofnorthpacificpolarlows |