Feasibility of Downscaling NAAPS Aerosol Fields for Incorporating More Realistic Aerosol Direct Effects in WRF-Chem Simulations
Abstract
A major biomass burning aerosol event - originating from intense wildfires in western Canada - covered the Northern Great Plains region in a heavy smoke plume from 28 June - 04 July 2015. This event was unaccounted for in NWP models, causing unrealized and notably high biases in forecasted surface temperatures. To mitigate the impact of such unrealized aerosol events in numerical weather prediction, aerosol analyses from the Navy Aerosol Analysis and Prediction System (NAAPS) are downscaled for WRF-Chem to incorporate more realistic aerosol direct effects into the simulations. The WRF-Chem analyses and forecasts are further inter-compared with surface-based observations to investigate the feasibility of using aerosol prediction model analyses and forecasts for regionally based numerical weather forecasts during aerosol events.
- Publication:
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AGU Fall Meeting Abstracts
- Pub Date:
- December 2019
- Bibcode:
- 2019AGUFM.A53S2909C
- Keywords:
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- 0305 Aerosols and particles;
- ATMOSPHERIC COMPOSITION AND STRUCTURE;
- 3360 Remote sensing;
- ATMOSPHERIC PROCESSES;
- 4301 Atmospheric;
- NATURAL HAZARDS;
- 4337 Remote sensing and disasters;
- NATURAL HAZARDS