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RISAssimilation of Atmospheric Radio Refractivity Using a Nonhydrostatic Adjoint Model
Publisher: American Meteorological Society
Abstract: Recently, a new approach to remote sensing of water vapor based on the Global Positioning System (GPS) has been proposed. Specifically, the bending of radio signals propagating from GPS satellites to a receiver on a low ...
Variational Assimilation of Precipitable Water Using a Nonhydrostatic Mesoscale Adjoint Model. Part I: Moisture Retrieval and Sensitivity Experiments
Publisher: American Meteorological Society
Abstract: Recently it has been proposed that the phase delay associated with the radio signals propagating from GPS satellites to a ground-based GPS receiving station can be used to infer the vertically integrated water vapor ...
Four-Dimensional Variational Data Assimilation of Heterogeneous Mesoscale Observations for a Strong Convective Case
Publisher: American Meteorological Society
Abstract: On 19 September 1996, a squall line stretching from Nebraska to Texas with intense embedded convection moved eastward across the Kansas?Oklahoma area, where special observations were taken as part of a Water Vapor Intensive ...
A Three-Dimensional Variational Data Assimilation System for MM5: Implementation and Initial Results
Publisher: American Meteorological Society
Abstract: A limited-area three-dimensional variational data assimilation (3DVAR) system applicable to both synoptic and mesoscale numerical weather prediction is described. The system is designed for use in time-critical real- time ...
A GPS/MET Sounding through an Intense Upper-Level Front
Publisher: American Meteorological Society
Abstract: A Global Positioning System Meteorology (GPS/MET) proof-of-concept experiment became a reality on 3 April 1995. A small satellite carrying a modified GPS receiver was launched into earth orbit to demonstrate the feasibility ...