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2012•Chinese Science BulletinOpen access

High-resolution seasonal snowfall simulation over Northeast China

Entao Yu

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Abstract

Performance of the Weather Research and Forecasting (WRF) model in simulating seasonal snowfall over Northeast China was examined. The influences of horizontal resolution and physics parameterization schemes were also investigated. The results indicate that WRF can reasonably reproduce the main features of temperature and precipitation. The simulated spatial and temporal distribution of snowfall compared well with observations. Higher resolution simulations achieved better results, and WRF was found to be more sensitive to the choice of land surface and microphysics scheme than convective cumulus parameterization scheme.

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Performance of the Weather Research and Forecasting (WRF) model in simulating seasonal snowfall over Northeast China was examined. The influences of horizontal resolution and physics parameterization schemes were also investigated. The results indicate that WRF can reasonably reproduce the main features of temperature and precipitation. The simulated spatial and temporal distribution of snowfall compared well with observations. Higher resolution simulations achieved better results, and WRF was found to be more sensitive to the choice of land surface and microphysics scheme than convective cumulus parameterization scheme.

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Available abstract

Performance of the Weather Research and Forecasting (WRF) model in simulating seasonal snowfall over Northeast China was examined. The influences of horizontal resolution and physics parameterization schemes were also investigated. The results indicate that WRF can reasonably reproduce the main features of temperature and precipitation. The simulated spatial and temporal distribution of snowfall compared well with observations. Higher resolution simulations achieved better results, and WRF was found to be more sensitive to the choice of land surface and microphysics scheme than convective cumulus parameterization scheme.

Key concepts: Weather Research and Forecasting Model, Snow, Precipitation, Environmental science, Climatology, Meteorology, Spatial distribution, Atmospheric sciences

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