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RISSYSTEMATIC ERRORS IN OPERATIONAL NATIONAL METEOROLOGICAL CENTER PRIMITIVE-EQUATION SURFACE PROGNOSES
Publisher: American Meteorological Society
Abstract: This paper describes an attempt to find systematic errors in the sea-level forecasts produced by the operational six layer primitive-equation model of the National Meteorological Center, Suitland, Md. The sample of cases ...
Temperature and Humidity Profiles in Mesoscale Unsaturated Downdrafts
Publisher: American Meteorological Society
Abstract: Profiles of temperature and humidity beneath precipitating anvil clouds in tropical convective systems suggest the presence of a mesoscale unsaturated downdraft there. In this paper, a one-dimensional, steady-state, ...
Precipitation Structure of the Cloud Clusters in a Tropical Easterly Wave
Publisher: American Meteorological Society
Abstract: This paper describes the statistics of precipitation observed over the 42.5 ? 104 km2 area covered by all four of the GATE digitized radars fair the period 2300 GMT 4 September 1974 to 2400 GMT 5 September 1974. The period ...
Behavior of the Wind Field in the Vicinity of a Cloud Cluster in the Intertropical Convergence Zone
Publisher: American Meteorological Society
Abstract: The 5 September 1974 double cloud cluster formed in a large-scale wind field characterized by convergence of the trade winds along a line of confluence at the surface, a synoptic-scale wave in the mid-tropospheric easterlies ...
The Contribution of Mesoscale Motions to the Mass and Heat Fluxes of an Intense Tropical Convective System
Publisher: American Meteorological Society
Abstract: The existence of extensive precipitating anvil clouds in intense tropical convection suggests that vertical air motions associated with the anvil clouds play a significant role in the mass and heat budgets of these systems. ...
Shortcomings of an Objective Analysis Scheme
Publisher: American Meteorological Society
Abstract: A currently used objective analysis scheme was tested by comparing a known function to an objective analysis of its values at the locations of radiosonde observing stations. A surface spherical harmonic of wavenumber 2 ...
The Life Cycle and Internal Structure of a Mesoscale Convective Complex
Publisher: American Meteorological Society
Abstract: This paper describes the life cycle and precipitation structure of a Mesoscale Convective Complex (MCC) that passed through the data-collecting network of the Texas portion of the High Plains Cooperative Program (HIPLEX) ...
Comparison of Convective Mass and Heat Transports in Tropical Easterly Waves Computed by Two Methods
Publisher: American Meteorological Society
Abstract: Convective fluxes of mass and beat in tropical easterly waves were computed by a slightly modified version of the method of Austin and Houze (1973). The input data for this method are radar and raingage observations of ...
The Structure and Evolution of Convection in a Tropical Cloud Cluster
Publisher: American Meteorological Society
Abstract: A large cloud cluster which occurred over the data network of the Global Atmospheric Research Program's Atlantic Tropical Experiment (GATE) on 5 September 1974 is examined. Data from four quantitative shipboard weather ...