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RISPrecipitation Variability over the Caribbean and Tropical Americas Associated with the Southern Oscillation
Publisher: American Meteorological Society
Abstract: Seasonal and annual (July through June) precipitation data for up to 197 stations are used to analyze variability in the High/Dry (H/D) and Low/Wet (L/W or warm event) modes of the Southern Oscillation (SO) over the tropical ...
Sea Surface Temperature Anomalies in the Eastern North Pacific and Associated Wintertime Atmospheric Fluctuations over North America, 1960–73
Publisher: American Meteorological Society
Abstract: Data on monthly sea surface temperatures (SST) over the eastern North Pacific as well as surface pressure and 1000?500 mb layer thickness over North America during the period 1960?73 were analyzed. Factor analysis of the ...
Spatial Variability of Seasonal Sea Level Pressure and 500 mb Height Anomalies
Publisher: American Meteorological Society
Abstract: The spatial variability of seasonal mean sea level pressure (SLP) and 500 mb height anomalies are determined using eigenvector analysis. Previously, spatial variability had only been analyzed in such a manner during winter ...
The Association between the North Atlantic Oscillation and the Southern Oscillation in the Northern Hemisphere
Publisher: American Meteorological Society
Abstract: The North Atlantic Oscillation (NAO) and Southern Oscillation (SO) are compared from the standpoint of their association with Northern Hemisphere winter mean distributions of sea-level pressure (SLP) and 500 mb height. The ...
Atmospheric Circulation Changes Associated with the Warming over the Northern North Atlantic in the 1920s
Publisher: American Meteorological Society
Abstract: A sharp increase in the Arctic mean winter temperature occurred around 1920. The occurrence of consistently positive temperature anomalies at Spitsbergen (starting in 1919), Iceland (1921) and Greenland (1926) subjoined ...
Meteorological Factors Affecting Interannual Variability of Summertime lce Extent in the Beaufort Sea
Publisher: American Meteorological Society
Abstract: The relationship between meteorological factors, measured at Barrow, Alaska, and summertime Beaufort Sea ice conditions along the shipping route between Pt. Barrow and Prudhoe Bay was investigated using data available from ...
Patterns of Low-Frequency Monthly Sea Level Pressure Variability (1899–1986) and Associated Wave Cyclone Frequencies
Publisher: American Meteorological Society
Abstract: Spatial patterns of low-frequency sea level pressure (SLP) variability are identified by performing rotated principal component analysis (RPCA) on a long-term (1899?1986) Northern Hemisphere gridded dataset. The analysis ...
Remarks on the Circulation over the Southern Hemisphere in FGGE and on Its Relation to the Phases of the Southern Oscillation
Publisher: American Meteorological Society
Abstract: The circulation anomalies over the whole Southern Hemisphere in the First GARP Global Experiment (FGGE) were not those that one would expect in either extreme of the Southern Oscillation; examples of the anomalies in such ...
The Southern Oscillation. Part II: Associations with Changes in the Middle Troposphere in the Northern Winter
Publisher: American Meteorological Society
Abstract: We have investigated the relationship between the extremes of the Southern Oscillation and the following quantities at 700 mb in winter, 1948/1949 to 1978/1979: eddy transfer of sensible heat, temperature, geopotential ...
The Seesaw in Winter Temperatures between Greenland and Northern Europe. Part I: General Description
Publisher: American Meteorological Society
Abstract: We have investigated the well-known tendency for winter temperatures to be low over northern Europe when they are high over Greenland and the Canadian Arctic, and conversely. Well-defined pressure anomalies over most of ...