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Henry Fuelberg Nick Heath Sean Freeman FSU WRF-Chem During SEAC 4 RS

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What Well Be Running : The Weather Research and Forecasting model with Chemistry (WRF-Chem) Version 3.4 (Release Date: April 2012) Fully coupled, online, state-of-the-art weather/chemistry model

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Horizontal Domains: 45 km 15 km (tentatively)

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Vertical Domains: ~70 terrain-following sigma levels Packed in the boundary layer and near the tropopause Model top of 10 hPa ~1 km TTL

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Met Initial and Boundary Conditions Global Forecast System (GFS) 0.5x0.5 real- time data 3 hourly time intervals

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Chem Initial and Boundary Conditions MOZART-4 CO is assimilated with MOPITT CO retrievals Also uses GFS meteorology RACM chemical mechanism MEGAN biogenics Biomass burning emissions from MODIS Anthropogenic emissions from RETRO GOCART aerosol parameterization

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FieldSetting Cumulus SchemeGrell-Devenyi 3D ensemble PBL SchemeMellor-Yamada-Janic Microphysics5-class w/graupel Shortwave RadiationGoddard shortwave Longwave RadiationRapid Radiative Transfer Model

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MET Products: Standard variables at multiple pressure levels Simulated radar reflectivity Convective fields (convective precip, etc.) Thermodynamic Diagrams Total 24 h PrecipSim. Radar Reflectivity

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Simulated Reflectivity

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CHEM Products: CO O 3 NO NO 2 CH 4 SO 2 Surface CO200 hPa Ozone

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Surface CO & 10 m Winds

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Website: http://fuelberg.met.fsu.edu/research/seac4rs/mission.php

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Website:

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Choose Variable View Model Info Website:

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Animate

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Post Mission: Finer horizontal resolution 1-2 km grid spacing Explicitly resolve convection ICs and BCs from GFS final analyses Includes observations Better representation of atmosphere

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Were here to help Henry Fuelberg hfuelberg@fsu.edu Nick Heath nkh09@my.fsu.edu Sean Freeman swf11@my.fsu.edu