Table of ContentsModelling the high resolution structure of frontal rainbands FASTEX IOP 16 Cyclone 12Z 17/02/1997 IOP 16 Radar and Dropsonde data FASTEX IOP 16 Cyclone Emerging multiple cloud heads Non-Hydrostatic Simulations FASTEX IOP 16 Cyclone Simulation 800 hPa Vertical Velocity as a function of resolution ; FASTEX IOP 16 Cyclone Power Spectrum of vertical velocity Frontal Collapse to gridscale Ratio of Vertical Velocity Power Spectrum to Spectrum at 2 km Normalized By Grid Scale 800 hPa Vertical Velocity as a function of resolution ; FASTEX IOP 16 Cyclone Cross Frontal Velocity as a function of resolution ; FASTEX IOP 16 Cyclone Slantwise instability of front: 2km Simulations Slantwise instability of front: 2km 90 level simulations 800 hPa Vertical Velocity as a function of resolution ; FASTEX IOP 16 Cyclone Vertical Velocity at 800 hPa Vertical Velocity at 800 hPa averaged to 60 km Vertical Velocity Cross section Vertical Velocity Averaged to 60 km Dry PV at 800 hPa PV Cross Section PV Cross Section (120 km blowup) PV Cross Section Averaged to 60 km PV Generation Conclusions Impact of evaporative cooling on frontal dynamics Hypotheses Idealised Front FASTEX IOP16: Dynamical impact of evaporative cooling Does the model have the correct characteristics in the evaporation cooling zone beneath frontal updraughts ? Observations of Evaporation Model/Obs Comparison Model/Obs Comparison Model/Obs Comparison Reasons for Model/Obs Differences Microphysics Parametrization FASTEX IOP 16: Sensitivity IOP 16 Sensitivity Forecasts: Surface precipitation Summary of the Model Evaluation FASTEX IOP 16: Validation Conclusions |
Author: P. A. Clark, R. M. Forbes and H. W. Lean (Met
Office) Joint Centre for Mesoscale Meteorology Meteorology Building University of Reading Reading, U.K. Email: Richard.Forbes (@metoffice.com) |