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http://dx.doi.org/10.12985/ksaa.2021.29.4.088

Prediction of Low Level Wind Shear Using High Resolution Numerical Weather Prediction Model at the Jeju International Airport, Korea  

Kim, Geun-Hoi (국립기상과학원 미래기반연구부)
Choi, Hee-Wook (국립기상과학원 미래기반연구부)
Seok, Jae-Hyeok (국립기상과학원 미래기반연구부)
Kim, Yeon-Hee (국립기상과학원 미래기반연구부)
Publication Information
Journal of the Korean Society for Aviation and Aeronautics / v.29, no.4, 2021 , pp. 88-95 More about this Journal
Abstract
In aviation meteorology, the low level wind shear is defined as a sudden change of head windbelow 1600 feet that can affect the departing and landing of the aircraft. Jeju International Airport is an area where low level wind shear is frequently occurred by Mt. Halla. Forecasting of such wind shear would be useful in providing early warnings to aircraft. In this study, we investigated the performance of statistical downscaling model, called Korea Meteorological Administration Post-processing (KMAP) with a 100 m resolution in forecasting wind shear by the complex terrain. The wind shear forecasts was produced by calculating the wind differences between stations aligned with the runways. Two typical wind shear cases caused by complex terrain are validated by comparing to Low Level Wind Shear Alert System (LLWAS). This has been shown to have a good performance for describing air currents caused by terrain.
Keywords
Wind Shear; Jeju International Airport; Korea Meteorological Adminstration Post-Processing; Low Level Wind Shear Alert System;
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  • Reference
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