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A Modified Kain–Fritsch Convection Scheme for Extended-Range Prediction
Publisher: American Meteorological Society
Sensitivity of Tropical Pacific Convection to Dry Layers at Mid- to Upper Levels: Simulation and Parameterization Tests
Publisher: American Meteorological Society
Abstract: Numerical forecast experiments are carried out to investigate the implications of observed moisture variability in the tropical Pacific for deep convection. The study uses a series of quasi-cloud-resolving model forecasts ...
Western Pacific Warm Pool Region Sensitivity to Convective Triggering byBoundary Layer Thermals in the NOGAPS Atmospheric GCM
Publisher: American Meteorological Society
Abstract: The sensitivity of the atmospheric general circulation model of the Navy Operational Global Atmospheric Prediction System to a parameterization of convective triggering by atmospheric boundary layer thermals is investigated. ...
Global Modeling of Cloud Radiative Effects Using ISCCP Cloud Data
Publisher: American Meteorological Society
Abstract: Cloud radiative effects are represented in simulations with the general circulation model of the Navy Operational Global Atmospheric Prediction System (NOCAPS) using ingested cloud field data from the ISCCP dataset rather ...
A Cloud-Base Quasi-Balance Constraint for Parameterized Convection: Application to the Kain–Fritsch Cumulus Scheme
Publisher: American Meteorological Society
Abstract: A quasi balance with respect to parcel buoyancy at cloud base between destabilizing processes and convection is imposed as a constraint on convective cloud-base mass flux in a modified version of the Kain?Fritsch cumulus ...
Recent Modifications of the Emanuel Convective Scheme in the Navy Operational Global Atmospheric Prediction System
Publisher: American Meteorological Society
Abstract: The convective parameterization of Emanuel has been employed in the forecast model of the Navy Operational Global Atmospheric Prediction System (NOGAPS) since 2000, when it replaced a version of the relaxed Arakawa?Schubert ...
Evaluation of Tropical Intraseasonal Variability and Moist Processes in the NOGAPS Analysis and Short-Term Forecasts
Publisher: American Meteorological Society
Abstract: avy Operational Global Atmospheric Prediction System (NOGAPS) analysis and operational forecasts are evaluated against the Interim ECMWF Re-Analysis (ERA-Interim; ERAI) and satellite data, and compared with the Global ...
Anchoring Intraseasonal Air–Sea Interactions: The Moored Moist Static Energy Budget in the Indian Ocean from Reanalysis
Publisher: American Meteorological Society
Examining the Predictability of the Successive MJO Events of November 2011 Using Coupled 30-Day NAVGEM and COAMPS Simulations
Publisher: American Meteorological Society
Abstract: AbstractGiven the prohibitive expense of running a global coupled high-resolution model for multiweek forecasts, we explore the feasibility of running a limited-area model forced by a global model on monthly time scales. ...
Subseasonal Forecasts of Convectively Coupled Equatorial Waves and the MJO: Activity and Predictive Skill
Publisher: American Meteorological Society
Abstract: AbstractIn this study, the contribution of low-frequency (>100 days), Madden?Julian oscillation (MJO), and convectively coupled equatorial wave (CCEW) variability to the skill in predicting convection and winds in the ...