The inclusion of moisture in a numerical model of steady-state fronts
Cornelius, Clifford James, Jr.
Williams, Roger T.
MetadataShow full item record
The numerical frontogenesis model of Williams (1971) is modified to include moisture with its subsequent condensation and release of latent heating. The turbulent diffusions of momentum, heat and moisture are represented with various coefficients. The numerical solutions show realistic quasi-steady fronts forming within one to two days. These solutions are examined and compared over a range of the various coefficients, and various ranges of temperature. Inclusion of moisture in the model causes intensification of baroclinicity at mid and upper levels. Also noted is a sensitivity of the moist model to reference potential temperature due to the exponential relationship between saturation water vapor pressure and temperature.
Approved for public release; distribution is unlimited
Showing items related by title, author, creator and subject.
Williams, Roger Terry; Cornelius, Clifford James; Glevy, Daniel Francis (Monterey, California. Naval Postgraduate School, 1975-05); NPS-5lWu75051The numerical frontogenesis model of Williams (1973) is modified to include moisture with its subsequent condensation and release of latent heating. The turbulent diffusions of momentum, heat and moisture are represented ...
Davies, Susan A. (Monterey, California. Naval Postgraduate School, 1989-12);Three numerical model simulations of cyclogenesis are compared to examine the role of boundary layer stratification in enhancing the components forcing the ageostrophic circulation of an idealized warm front. The ...
Investigations of scalar transfer coefficients in fog during the Coupled Boundary Layers and Air Sea Transfer Experiment : a case study Crofoot, Robert F. (Monterey, California. Naval Postgraduate School, 2004-09);The uncertainty in the determination of the momentum and scalar fluxes remains one of the main obstacles to accurate numerical forecasts in low to moderate wind conditions. For example, latent heat fluxes computed from ...