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RISSensitivity of Orographic Moist Convection to Landscape Variability: A Study of the Buffalo Creek, Colorado, Flash Flood Case of 1996
Publisher: American Meteorological Society
Abstract: A number of numerical experiments with a high-resolution mesoscale model were conducted to study the convective rainfall event that caused the 1996 Buffalo Creek, Colorado, flash flood. Different surface conditions and ...
Explicit Forecasts of Winter Precipitation Using an Improved Bulk Microphysics Scheme. Part I: Description and Sensitivity Analysis
Publisher: American Meteorological Society
Abstract: This study evaluates the sensitivity of winter precipitation to numerous aspects of a bulk, mixed-phase microphysical parameterization found in three widely used mesoscale models [the fifth-generation Pennsylvania State ...
Verification and Sensitivity Experiments for the WISP94 MM5 Forecasts
Publisher: American Meteorological Society
Abstract: A statistical verification of real-time forecasts from the Pennsylvania State University?National Center for Atmospheric Research Mesoscale Model version 5 (MM5) examines several model biases noted in numerical forecasts ...
A Study of Convection Initiation in a Mesoscale Model Using High-Resolution Land Surface Initial Conditions
Publisher: American Meteorological Society
Abstract: A coupled convection-resolving mesoscale atmosphere?land surface model (LSM) is used to investigate land surface?planetary boundary layer (PBL) interactions responsible for the initiation of deep, moist convection over the ...
Using Temporal Modes of Rainfall to Evaluate the Performance of a Numerical Weather Prediction Model
Publisher: American Meteorological Society
Abstract: The authors demonstrate that much can be learned about the performance of a numerical weather prediction (NWP) model by examining the temporal modes of its simulated rainfall. Observations from the Weather Surveillance ...
Simulations of Severe Convective Systems Using 1- versus 3-km Grid Spacing
Publisher: American Meteorological Society
A Decade of Antarctic Science Support Through Amps
Publisher: American Meteorological Society
Abstract: ctic Mesoscale Prediction System (AMPS) is a real-time numerical weather prediction (NWP) system covering Antarctica that has served a remarkable range of groups and activities for a decade. It employs the Weather Research ...
Freezing Drizzle Formation in Stably Stratified Layer Clouds: The Role of Radiative Cooling of Cloud Droplets, Cloud Condensation Nuclei, and Ice Initiation
Publisher: American Meteorological Society
Abstract: This study evaluates the role of 1) low cloud condensation nuclei (CCN) conditions and 2) preferred radiative cooling of large cloud drops as compared to small cloud drops, on cloud droplet spectral broadening and subsequent ...
Real-Time Forecasting for the Antarctic: An Evaluation of the Antarctic Mesoscale Prediction System (AMPS)
Publisher: American Meteorological Society
Abstract: In response to the need for improved weather prediction capabilities in support of the U.S. Antarctic Program?s field operations, the Antarctic Mesoscale Prediction System (AMPS) was implemented in October 2000. AMPS employs ...
Effect of Land–Atmosphere Interactions on the IHOP 24–25 May 2002 Convection Case
Publisher: American Meteorological Society
Abstract: Numerical simulations are conducted using the Coupled Ocean/Atmosphere Mesoscale Prediction System (COAMPS) to investigate the impact of land?vegetation processes on the prediction of mesoscale convection observed on 24?25 ...