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Sounding data which were derived from VAS radiance measurements and anticipated increased time and space resolution of the mesoscale environment are outlined. The new data presents problems which are not encounted when using conventional measurements because of the irregular spacing of the data, biases in the data, and errors due to cloud contaminated measurements. These problems are addressed and an analysis technique which utilizes LFM guess fields to produce a consistent four dimensional data set which describes the mesoscale environment over a large area is presented.

A very simple and straight forward approach to produce mesoscale analyses of VAS data over a large area (which may contain cloudy regions) with good temporal and spatial consistency. Commonly used objective analysis schemes are very effective in producing gridded fields of meteorological parameters where data spacing is uniformly spread over the entire analysis region. The amount of detail contained in these fields can be controlled to produce consisted mesoscale analyses.