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RISA Rotated Principal Component Analysis of the Interannual Variability of the Northern Hemisphere 500 mb Height Field
Publisher: American Meteorological Society
Abstract: The principal components derived by Wallace and Gutzler (1981) from a 500 mb height data set are linearly transformed using the varimax method. Their data set consists of 45 winter months of National Meteorological Center ...
On the Annual Cycle of the Tropical Pacific Atmosphere and Ocean
Publisher: American Meteorological Society
Abstract: The annual cycle in sea surface temperature (SST), surface wind and other atmospheric variables in the tropical Pacific are described. The primary data sets of SST and surface wind are derived from ship observations in the ...
Persistence of the 500 mb Height Field during Northern Hemisphere Winter
Publisher: American Meteorological Society
Abstract: The persistence of the planetary-scale circulation during the Northern Hemisphere winters from 1965/66 to 1981/82 is documented. National Meteorological Center analyses of 500 mb geopotential height for the Northern ...
Persistence of Wintertime 500 mb Height Anomalies over the Central Pacific
Publisher: American Meteorological Society
Abstract: The persistence of daily 500 mb geopotential height anomalies during the 17 winters from 1966 to 1982 is documented for a region over the central Pacific that is noted for its frequent blocking activity. Persistence is ...
Analysis and Prediction of Summer Rainfall over Southwestern Utah
Publisher: American Meteorological Society
Polarization Lidar and Synoptic Analyses of an Unusual Volcanic Aerosol Cloud
Publisher: American Meteorological Society
Abstract: Over an unusually brief three-day period in early August 1989, spectacular twilight effects indicative of a stratospheric volcanic cloud were seen at Salt Lake City, Utah. Concurrent polarization lidar observations detected ...
An Evaluation of the Distribution of Remote Automated Weather Stations (RAWS)
Publisher: American Meteorological Society
Abstract: This study estimates whether surface observations of temperature, moisture, and wind at some stations in the continental United States are less critical than others for specifying weather conditions in the vicinity of those ...
Lake-Breeze Fronts in the Salt Lake Valley
Publisher: American Meteorological Society
Abstract: Winds at the Salt Lake City International Airport (SLC) during the April?October period from 1948 to 2003 have been observed to shift to the north (up-valley direction) between late morning and afternoon on over 70% of the ...
Turbulent Erosion of Persistent Cold-Air Pools: Numerical Simulations
Publisher: American Meteorological Society
Abstract: igh-resolution idealized numerical simulations are used to examine the turbulent removal of cold-air pools commonly observed in mountain valleys and basins. A control simulation with winds aloft increasing from 0.5 to 20 ...
Planetary-Scale Atmospheric Phenomena Associated with the Southern Oscillation
Publisher: American Meteorological Society
Abstract: Atmospheric phenomena associated with the Southern Oscillation are examined, with emphasis on vertical structure and teleconnections to middle latitudes. This paper is specifically concerned with the interannual variability ...