FORECASTING OF POSSIBLE AIRCRAFT ICING BASED ON OUTPUT OF THE WRF-ARW MODEL

被引：0

作者：

Verbitskaya, E. ^{[1
]}

Romanskiy, S. ^{[1
]}

机构：

[1] Far Eastern Reg Hydrometeorol Res Inst, Dept Hydro & Meteorol Res & Forecasting, Str Lenina 18-208, Khabarovsk 680000, Russia

来源：

18TH ANNUAL MEETING OF THE ASIA OCEANIA GEOSCIENCES SOCIETY, AOGS 2021 | 2022年

关键词：

icing; aircraft; numerical weather prediction; WRF model;

D O I：

10.1142/9789811260100_0016

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

A method to predict areas of possible aircraft icing and its intensity is presented. Method is operated on model gridded output. An index I-ice to identify meteorological conditions which contribute to aircraft icing is calculated at each point of a three-dimensional grid as a product of pressure and difference between mixing ratio and saturation mixing ratio multiplied by given coefficient. An area of possible icing covers grid points where values of I-ice exceed zero. Icing intensity is determined by a value of I-ice; range of positive values of I-ice is divided into three intervals which correspond to light, moderate and severe icing. Presented method is tested on numerical output of the Weather Research and Forecasting (WRF) - Advanced Research WRF (WRF-ARW) with 5-km horizontal grid spacing for Eastern Siberia and Russian Far East. Preliminary evaluations of forecasts are presented.

引用

页码：46 / 48

页数：3

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