深圳機場早高峰長時段暖區(qū)暴雨特征分析

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中圖分類號：P442 文獻標志碼：A 文章編號：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，深圳機場多次在早高峰航班放行時段遭遇長時段的暖區(qū)暴雨天氣，導(dǎo)致常出現(xiàn)上百架次航班被迫延誤數(shù)小時的情況，其間日航班正常率最低僅有45%[1] 。（剩余7056字）