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Trends and Variability of Storminess in the NE Atlantic-European region, 1874-2007. Xiaolan L. Wang, Francis, W. Zwiers, Val R. Swail, and Yang Feng Climate Research Division, Environment Canada. Pressure triangles in the NE Atlantic-European region (similar to Alexandersson et al. 2000). - PowerPoint PPT Presentation
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Trends and Variability of Storminess in the NE Atlantic-European region, 1874-2007
Xiaolan L. Wang, Francis, W. Zwiers, Val R. Swail, and Yang Feng
Climate Research Division, Environment Canada
15E
60N
15W
Aberdeen
Prestwick
Torshavn
Stykkisholmur
de Bilt
Bergen
Vestervig
Nordby
Valentia
Jan Mayen
Bodo
Pressure triangles in the NE Atlantic-European region(similar to Alexandersson et al. 2000)
Area averages - 10 triangles in the region(similar to Alexandersson et al. 2000)
Annualpercentiles
However, there are significant seasonality and regional differences
11-point Gaussian low-pass filtered curves
15E
60N
15W
Stykkisholmur
Aberdeen
Torshavn
de Bilt
Bergen
Vestervig
Nordby
Valentia
Jan Mayen
Bodo
a. Winter (DJF) 99th percentiles
NTB
APVD
JTBJST
VST
VTAP
BBV
DAPV
APTB
BAPV
BTB
15E
60N
15W
Stykkisholmur
Aberdeen
Torshavn
de Bilt
Bergen
Vestervig
Nordby
Valentia
Jan Mayen
Bodo
b. Summer (JJA) 99th percentiles
NTB
APVD
JTBJST
VST
VTAP
BBV
DAPV
APTB
BAPV
BTB
Winter(DJF)
seasonalpercentiles
Summer(JJA)
seasonalpercentiles
Area averages - four triangles over the North Sea
15E
60N
15W
Stykkisholmur
Aberdeen
Torshavn
de Bilt
Bergen
Vestervig
Nordby
Valentia
Jan Mayen
Bodo
c. Spring (MAM) 99th percentiles
NTB
APVD
JTBJST
VST
VTAP
BBV
DAPV
APTB
BAPV
BTB
15E
60N
15W
Stykkisholmur
Aberdeen
Torshavn
de Bilt
Bergen
Vestervig
Nordby
Valentia
Jan Mayen
Bodo
NTB
d. Autumn (SON) 99th percentiles
NTB
APVD
JTBJST
VST
VTAP
BBV
DAPV
APTB
BAPV
BTB
Acknowledgements.
The authors wish to thank Dr. Gil Compo and other members of the
ISPD Working Group for providing us the in-situ pressure data analyzed
in this study.
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