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RISA Gradient Wind Correction for Surface Pressure Fields Retrieved from Scatterometer Winds
Publisher: American Meteorological Society
Abstract: Given a field of geostrophic winds and at least one pressure observation, a pressure field can be computed. If the winds are in reality gradient winds, then a correction must be applied to calculate the actual geostrophic ...
Southern Hemisphere Synoptic Weather from a Satellite Scatterometer
Publisher: American Meteorological Society
Abstract: Analyses of remotely sensed wind vector data from six satellite passes over parts of the Southern Ocean during September 1978 are shown. Winds are input to a planetary boundary layer model to produce sea level pressure ...
Ocean Surface Pressure Fields from Satellite-Sensed Winds
Publisher: American Meteorological Society
Abstract: The University of Washington's planetary boundary layer model is inverted to use remotely sensed satellite scatterometer-derived surface winds as input to calculate maritime surface pressure fields. The analysis of three ...
Scatterometer Observations at High Wind Speeds
Publisher: American Meteorological Society
Abstract: Satellite scatterometer winds are commonly validated by comparing them to buoy observations and/or numerical model surface wind analyses. However, the empirical scatterometer algorithm (geophysical model function) has been ...
Comparison of Planetary Boundary Layer Model Winds with Dropsonde Observations in Tropical Cyclones
Publisher: American Meteorological Society
Abstract: The values of surface winds simulated by the University of Washington (UW) two-layer similarity planetary boundary layer (PBL) model are compared with National Oceanic and Atmospheric Administration Hurricane Research ...
Multiscale Large Eddy States in Weakly Stratified Planetary Boundary Layers
Publisher: American Meteorological Society
Abstract: We first discuss observations of two classes of two-dimensional large eddy states in weakly stratified atmospheric boundary layers. One class is characterized by large eddies with a single horizontal scale. The other ...
Legacy of the Seasat Mission for Studies of the Atmosphere and Air-Sea-Ice Interactions
Publisher: American Meteorological Society
Abstract: The polar-orbiting satellite, Seasat, had been designed as an oceanographic satellite with little advance thought being given to atmospheric uses. However, the microwave instruments provided a rich source of data for ...
An Evaluation of Scatterometer-Derived Oceanic Surface Pressure Fields
Publisher: American Meteorological Society
Abstract: Oceanic surface pressure fields are derived from the NASA Quick Scatterometer (QuikSCAT) surface wind vector measurements using a two-layer similarity planetary boundary layer model in the midlatitudes and a mixed layer ...
Diagnosis of Frontal Instabilities over the Southern Ocean
Publisher: American Meteorological Society
Abstract: The development of three fronts over the Southern Ocean is described using SeaWinds-on-QuikSCAT scatterometer surface winds and an attribution technique to partition the wind field in three components: nondivergent and ...