深圳机场早高峰长时段暖区暴雨特征分析

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中图分类号：P442 文献标志码：A 文章编号：2095-2945(2025)14-0109-05

Abstract:Thispaper selects casesof warmregion heavyrain during themorningpeakandlong-term periodsat Shenzhen Airportin2O22focusesoncomparingandanalyzingthecharacteristicsofweathersystemconfiguration，ndbieflydiscusesthe erorsofmodelforecastsunderdiferentweatherconfigurations.Theresultsshowthatlong-termwarmzoneheavyrainsat ShenzhenAirportaremostlytrigeredlateatnightonthecoastof South China,afecting ShenzhenAirportfrommorningto noon,andthereisnoweakeningacross thePearlRiverEstuary.Themaintriger mechanismforheavyraininwarmregionsis theconvergenceandforcedupliftofthecyclonicultra-low-levelsouthwestjetwithhighenergyandhighhumiditynearthe surfacealongthecoastofSouthChina.Whenthehigh-altitudedivergentnortherlyaiflowcoupleswiththelow-levelsouthwest jet,isinthepositivevorticityadvectionareainfrontoftheig-titudetrough，andcoperateswiththemedium-levelgiding airflowadtherainstormtrigerinthesamedirection,itwillhelptoformlong-termwarmregionheavyrainInadition,the groundtroughaftertyphonsweakenandmoveawaycanalsoformlong-termwarmregionheavyrain，whichisaweather pattern often ignored in operational forecasts.

Keywords:warm zone heavy rain; early peak; long-term period;ultra-low-level jet；guiding airflow

2022年，深圳机场多次在早高峰航班放行时段遭遇长时段的暖区暴雨天气，导致常出现上百架次航班被迫延误数小时的情况，其间日航班正常率最低仅有45%[1] 。（剩余7056字）