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RISA New Technique for Estimation of Surface Latent Heat Fluxes Using Satellite-Based Observations
Publisher: American Meteorological Society
Abstract: Monthly mean surface latent heat fluxes (LHFs) over the global oceans are estimated using bulk formula. LHFs are computed using wind speed (U) from the Special Sensor Microwave Imager (SSM/I), sea surface temperature (SST) ...
Influence of the Upper-Tropospheric Wind Shear upon Cloud Radiative Forcing in the Asian Monsoon Region
Publisher: American Meteorological Society
Abstract: Using the top-of-the-atmosphere radiative flux and cloud data from satellites, as well as atmospheric data from NCEP?NCAR reanalysis, this paper investigates the reason for the unusually large high-cloud amount in the Asian ...
A Novel Approach for Selective Reconstruction of Cloud-Contaminated Satellite Images
Publisher: American Meteorological Society
Abstract: he paper presents a robust technique for cloud clearing of satellite imagery. The proposed algorithm combines mathematical morphological techniques with a conventional cloud clearing scheme to restore clear sky values. The ...
Impacts of Satellite-Observed Winds and Total Precipitable Water on WRF Short-Range Forecasts over the Indian Region during the 2006 Summer Monsoon
Publisher: American Meteorological Society
Abstract: Assimilation experiments have been performed with the Weather Research and Forecasting (WRF) model?s three-dimensional variational data assimilation (3DVAR) scheme to assess the impacts of NASA?s Quick Scatterometer ...
A Modified Tracer Selection and Tracking Procedure to Derive Winds Using Water Vapor Imagers
Publisher: American Meteorological Society
Abstract: The remotely sensed upper-tropospheric water vapor wind information has been of increasing interest for operational meteorology. A new tracer selection based on a local image anomaly and tracking procedure, itself based ...
Estimation of Atmospheric Motion Vectors from Kalpana-1 Imagers
Publisher: American Meteorological Society
Abstract: The estimation of atmospheric motion vectors from infrared and water vapor channels on the geostationary operational Indian National Satellite System Kalpana-1 has been attempted here. An empirical height assignment technique ...
Surface Heat Fluxes over Global Oceans Exclusively from Satellite Observations
Publisher: American Meteorological Society
Abstract: A new approach is introduced for determining surface latent heat flux (LHF) and sensible heat flux (SHF) over the global oceans exclusively from satellite observations. Measurements of wind speed (U), sea surface temperature ...
Impact of TMI SST on the Simulation of a Heavy Rainfall Episode over Mumbai on 26 July 2005
Publisher: American Meteorological Society
Abstract: In this study the simulation of a severe rainfall episode over Mumbai on 26 July 2005 has been attempted with two different mesoscale models. The numerical models used in this study are the Brazilian Regional Atmospheric ...
A New Technique for Estimation of Lower-Tropospheric Temperature and Water Vapor Profiles from Radio Occultation Refractivity
Publisher: American Meteorological Society
Abstract: An empirical technique is proposed to obtain temperature and humidity profiles over the tropics using radio occultation refractivity profiles and surface/available lower-altitude temperature and pressure measurements over ...
The Impact of Variational Assimilation of SSM/I and QuikSCAT Satellite Observations on the Numerical Simulation of Indian Ocean Tropical Cyclones
Publisher: American Meteorological Society
Abstract: In this study, the fifth-generation Pennsylvania State University?National Center for Atmospheric Research Mesoscale Model (MM5) with three-dimensional variational data assimilation (3DVAR) is utilized to investigate the ...