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Simulation of Extreme New Zealand Precipitation Events. Part II: Mechanisms of Precipitation Development
Publisher: American Meteorological Society
Abstract: The extreme precipitation event that occurred on 27 December 1989 over the South Island of New Zealand was simulated using the DAR hydrostatic mesoscale model nested within the ECMWF analyses. The model simulated nearly ...
Simulation of Extreme New Zealand Precipitation Events. Part I: Sensitivity to Orography and Resolution
Publisher: American Meteorological Society
Abstract: The extreme precipitation events with peak observed rainfall of greater than 700 mm over the South Island of New Zealand were simulated using the DAR hydrostatic mesoscale model nested within the ECMWF analyses. The ECMWF ...
Sensitivity of Model Simulations for a Coastal Cyclone
Publisher: American Meteorological Society
Abstract: A nested global, limited-area model was used to predict the President's Day cyclone of 18-19 February 1979. Both a low (?150 km) and a high (?50 km) horizontal resolution version were used. The model has full physics with ...
The Impact of Climate Change on the Poleward Movement of Tropical Cyclone–Like Vortices in a Regional Climate Model
Publisher: American Meteorological Society
Abstract: A regional climate model (DARLAM) is implemented over the Australian region and a 20-yr seasonally varying simulation is examined for the presence of tropical cyclone?like vortices (TCLVs). The horizontal resolution of the ...
GCM Simulations of Eastern Australian Cutoff Lows
Publisher: American Meteorological Society
Abstract: The ability of the CSIRO-9 General Circulation Model (GCM) to capture surface cutoff lows over eastern Australia is investigated by comparing composites of ten GCM cases with ten observed lows. The lows are also studied ...
A Scheme for Calculation of the Liquid Fraction in Mixed-Phase Stratiform Clouds in Large-Scale Models
Publisher: American Meteorological Society
Abstract: A scheme for calculation of the liquid fraction fl in mixed-phase stratiform clouds has been developed for use in large-scale models. An advantage of the scheme, compared to the interpolation in temperature that is typically ...
A Regional Model Intercomparison Using a Case of Explosive Oceanic Cyclogenesis
Publisher: American Meteorological Society
Abstract: The authors evaluate the performance of current regional models in an intercomparison project for a case of explosive secondary marine cyclogenesis occurring during the Canadian Atlantic Storms Project and the Genesis of ...