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1、UnitThree: MeteorologicalForecasts第三课：气象预报Newwords:Warning警报GMT（GreenwichMeanTime)格林威治时间Upper-air高空的Sounding探测WWW(worldweatherwatch)世界天气监视网Code电码GTS（globaltelecommunicationsystem)全球电传通信系统Strip长带beltbandNOAA(NationalOceanicandAtmosphericAdministration)诺阿卫星（美国国家海洋大气管理
2、局）GOES(geostationaryoperationalenvironmentsatellite)地球静止业务环境卫星Multi-channel多通道的Assemble组装，汇编集合Short-range短期的Long-range长期的nowcasting现时预报，临近预报Extrapolation外推interpolation内插Divergence辐散barotropic正压的Prognosis预测smooth平滑filter滤波Geopotential位势的Prediction预报spectral谱的integra
3、te积分Nest嵌套predictor预报因子MSL(meansealevel)平均海平面MOS(modeloutputstatistic)模式输出统计预报Thunderstorm雷暴hurricane飓风Typhoon台风Subgrid次网格Substructuren.次级结构sub+…亚；次级；下级（构词法）Subtropic副热带，亚热带Unpredictable不可预报的predictable可预报的Predictability可预报性Frame-work框架Topographic地形的orographicGust阵风
4、tornado（陆）龙卷Freezing冻结的Doppler(radar)多谱勒雷达Index(indices)指数shear切变Downburst下击暴流Serveas充当，作为P1①NationalMeteorologicalServicesperformavarietyofactivitiesinordertoprovideweatherforecasts.②Theprincipalonesaredatacollection,thepreparationofbasicanalysesandprognosticcharts
5、ofshort-andlong-termforecastsforthepublicaswellasspecialservicesforaviation,shipping,agriculturalandothercommercialandindustrialusers,andtheissuanceofsevereweatherwarnings.1.DatasourcesP2:①Thedatarequiredforforecastingandotherservicesareprovidedbyworldwidestandardsy
6、nopticreportsat00,06,12,and18GMT,similarobservationsmadehourly,particularlyinsupportofnationalaviationrequirements,upper-airsoundings(at00and12GMT),satellitedataandotherspecializednetworkssuchasradarstationsforsevereweather.②UndertheWorldWeatherWatch(WWW)program,syn
7、opticreportsaremadeatsome4,000landstationsandby7,000ships.③Thereareabout700stationsmakingupper-airsoundings(temperature,pressure,humidity,and,wind).④Thesedataaretransmittedincodeviateletypeandradiolinksinregionalornationalcentersandintothehigh-speedGlobalTelecommuni
8、cationsSystem(GTS)connectingWorldWeatherCentresinMelbourne,MoscowandWashingtonandelevenRegionalMeteorologicalCentresforredistribution.⑤Som
