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The numerical study presented here has focused on baroclinic processes which contribute to tropical cyclone propagation. Two numerical models were used in this work.

An analysis of total sky and direct component shortwave solar radiation data.

Numerical modelling studies of continental tropical and maritime tropical convection were conducted using a two-dimensional, non-hydrostatic, cloud electrification model.

This study examines the angular dependence and the spatial variability of the radiance fields reflected from 30 regional atmospheric scenes.

In a previous study Reiter and Mahlman (1965a) have estimated the amount of stratospheric air intruding into the stable layer of the jet stream front in a case of cyclogenesis not accompanied by surface radioactive fallout. In the present report the same case is examined on a more general basis. Outflow form, as well as inflow into, the stratosphere is estimated over the entire thickness of the "tropopause gap."

Theoretical and observational studies are carried out to evaluate the use of cloud near-infrared spectral reflectance to determine cloud droplet size.

Presents an eighteen-level axisymmetric primitive equation tropical cyclone model incorporating the Arakawa-Schubert (1974) spectral cumulus parameterization.