Application of New Detecting Instrument Data in ShortTime Heavy Rainfall
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Abstract:
Combined with new generation Doppler weather radar, the temperature and liquid water path data from the 14channel parallel groundbased microwave radiometer of German RPGHATPROG3, and the ground precipitation data obtained from THIES CLIMA LNM ground laser raindrop spectrometer, the nearsurface inversion layer distribution, liquid water path changes and raindrop spectrum distribution of a shorttime strong precipitation weather process on 3 August 2015 in Jinan are analyzed. It is concluded that due to the latent heat effect of warming in the strong convective precipitation process, there existed strong nearsurface inversion layer in the surface layer. Liquid water content showed strong shortterm accumulation phenomenon. Liquid water content path goes up and down quickly, and larger jump increased very significantly prior to precipitation. With the weakening of the intensity of precipitation, the liquid water path fluctuation decreased. In the whole process of precipitation, the early rain spectrum presents the bimodal distribution, but the heavy rain and late precipitation is unimodal spectrum. The Gamma fitting accuracy is higher.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.