Abstract: The 10?30 day variability of extratropical, cold season (November?March) 700 mb geopotential height data of the Northern Hemisphere was studied through the use of rotated complex principal component (RCPC) analysis. The ...

Abstract: Both observed and modeled upper-air temperature profiles show the tropospheric cooling and tropical stratospheric warming effects from the three major volcanic eruptions since 1960. Detailed comparisons of vertical profiles ...

Abstract: A climatological investigation of singularities in the seasonal progression of 5-day means of 700 mb height was undertaken for the region 30?90°N, from 160°E eastward to 0°, for the period 1947?76. A harmonic analysis was ...

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Abstract: An investigation of singularities associated with the semiannual cycle of Northern Hemisphere (25?90°N) 700 mb heights was conducted using 33 years of data. Extension of the harmonic analyses of Lanzante (1983) to a larger ...

Abstract: Associations between Pacific and Atlantic sea surface temperature (SST) and the 700 mb circulation were studied using 30 years (1949-78) of gridded monthly data. The monthly data were grouped into four (nonstandard) seasons ...

Abstract: Climate studies often involve comparisons between estimates of some parameter derived from different observed and/or model-generated datasets. It is common practice to present estimates of two or more statistical quantities ...

Abstract: Measurements from radiosonde temperatures have been used in studies that seek to identify the human influence on climate. However, such measurements are known to be contaminated by artificial inhomogeneities introduced by ...

Abstract: A long historical record (?100 years) of monthly sea surface temperature anomalies from the Comprehensive Ocean?Atmosphere Data Set was used to examined the lag relationships between different locations in the global ...