Numerical Simulations of an Advection Fog Event over Shanghai Pudong International Air- port with the WRF Model

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摘要 Aseriesofnumericalsimulationsisconductedtounderstandtheformation,evolution,anddissipationofanadvectionfogeventoverShanghaiPudongInternationalAirport(ZSPD)withtheWeatherResearchandForecasting(WRF)model.UsingthecurrentoperationalsettingsattheMeteorologicalCenterofEastChinaAirTrafficManagementBureau,theWRFmodelsuccessfullypredictsthefogeventatZSPD.Additionalnumericalexperimentsareperformedtoexaminethephysicalprocessesassociatedwiththefogevent.Theresultsindicatethatpredictionofthisparticularfogeventissensitivetomicrophysicalschemesforthetimeoffogdissipationbutnotforthetimeoffogonset.Thesimulatedtimingofthearrivalanddissipationofthefog,aswellastheclouddistribution,issubstantiallysensitivetotheplanetaryboundarylayerandradiation(bothlongwaveandshortwave)processes.Moreover,varyingforecastleadtimesalsoproducesdifferentsimulationresultsforthefogeventregardingitsonsetandduration,suggestingatrade-offbetweenmoreaccurateinitialconditionsandaproperforecastleadtimethatallowsmodelphysicalprocessestospinupadequatelyduringthefogsimulation.TheoveralloutcomesfromthisstudyimplythatthecomplexityofphysicalprocessesandtheirinteractionswithintheWRFmodelduringfogevolutionanddissipationisakeyareaoffutureresearch.
机构地区 不详
出处 《气象学报:英文版》 2017年5期
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出版日期 2017年05月15日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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