Archive > Volume 39 Issue 6 > 2011,39(6):719-722 Prev Next

Fog Forecast along Highways in North China

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    Abstract:
    Based on numerical forecast products （MM5）， a fog forecast model is established with the statistical method for highways and the nearby 460 weather stations in North China. The results of the verification for more than 2 years show that CSI （Critical Success Index） for visibility being less than 5 km for 24 hours forecast is 0.61 at Beijing and 0.68 at 7 stations along the JingJinTang highway， respectively.The mean fogornot forecast accuracy rates are both 0.81. Two events of low visibility weather in 2007 are discussed and forecasted successfully， which indicates the method is applicable for fog forecasting.

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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
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