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RISOptimal Convolution of AMSU-B to AMSU-A
Publisher: American Meteorological Society
Abstract: In order to find an optimal convolution of the Advanced Microwave Sounding Unit (AMSU) -B to AMSU-A resolution the scan characteristics of AMSU-A and AMSU-B on board NOAA-15 are examined. A set of coefficients for this ...
On the Use of SSM/I Measurements in Coastal Regions
Publisher: American Meteorological Society
Abstract: This study explores the utilization of Special Sensor Microwave/Imager (SSM/I) data in coastal regions where the measured signal consists of radiation received from both land and water surfaces. The problem of mixed ...
Convective Activity over Africa and the Tropical Atlantic Inferred from 20 Years of Geostationary Meteosat Infrared Observations
Publisher: American Meteorological Society
Abstract: 20-yr (1986?2005) time series of Meteosat Visible and Infrared Imager (MVIRI) geostationary infrared observations was used to study deep convection over Africa and the tropical Atlantic. The 20-yr time period is covered ...
Sensitivity of 89–190-GHz Microwave Observations to Ice Particle Scattering
Publisher: American Meteorological Society
Abstract: The sensitivity of microwave brightness temperatures (TBs) to hydrometeors at frequencies between 89 and 190 GHz is investigated by comparing Fengyun-3C (FY-3C) Microwave Humidity Sounder-2 (MWHS-2) measurements with radar ...
Utilizing Spaceborne Radars to Retrieve Dry Snowfall
Publisher: American Meteorological Society
Abstract: A dataset consisting of one year of CloudSat Cloud Profiling Radar (CPR) near-surface radar reflectivity Z associated with dry snowfall is examined in this study. The CPR observations are converted to snowfall rates S using ...
The Sensitivity of Microwave Remote Sensing Observations of Precipitation to Ice Particle Size Distributions
Publisher: American Meteorological Society
Abstract: This study investigates the effect of variable size distribution and density of precipitation ice particles on microwave brightness temperatures. For this purpose, a set of self-consistent relationships among rain rate, ...
Estimation of Liquid Cloud Properties that Conserve Total-Scene Reflectance Using Satellite Measurements
Publisher: American Meteorological Society
Abstract: A new method of deriving statistical moments related to the distribution of liquid water path over partially cloudy scenes is tested using a satellite cloud climatology. The method improves the ability to reconstruct ...
The Successive-Order-of-Interaction Radiative Transfer Model. Part I: Model Development
Publisher: American Meteorological Society
Abstract: This study, the first part of a two-part series, develops the method of ?successive orders of interaction? (SOI) for a computationally efficient and accurate solution for radiative transfer in the microwave spectral region. ...
Fast Computation of Microwave Radiances for Data Assimilation Using the “Successive Order of Scattering” Method
Publisher: American Meteorological Society
Abstract: Fast and accurate radiative transfer (RT) models are crucial in making use of microwave satellite data feasible under all weather conditions in numerical weather prediction (NWP) data assimilation. A multistream ?successive ...
Cloud Liquid Water Path from Satellite-Based Passive Microwave Observations: A New Climatology over the Global Oceans
Publisher: American Meteorological Society
Abstract: This work describes a new climatology of cloud liquid water path (LWP), termed the University of Wisconsin (UWisc) climatology, derived from 18 yr of satellite-based passive microwave observations over the global oceans. ...