weather-讲天气的英语课件

Weather-Englishcoursewareonweather目录CATALOGUEBasicknowledgeofweatherweatherforecastTheimpactofweatherondailylifeMeasurestocopewithdifferentweatherconditionsBasicknowledgeofweatherCATALOGUE01Weatherreferstotheatmosphericconditionsatagiventimeandplace,includingtemperature,humidity,windspeed,cloudiness,precipitation,etc.DefinitionWeathercanbeclassifiedasdifferenttypesbasedondifferentcriteria,suchastemperature,humidity,windspeed,cloudiness,andprecipitation.ClassificationDefinitionandclassificationofweatherABCDTemperatureThemeasureofheatorcoldnessoftheatmosphere.ItisusuallymeasuredindegreesCelsiusorFahrenheit.WindspeedThespeedatwhichthewindblows.Itisusuallymeasuredinkilometersperhourormilesperhour.CloudinessTheamountofcloudcoverinthesky.Itisusuallymeasuredasclear,partlycloudy,orovercast.HumidityThemoisturecontentoftheatmosphere.Itisusuallymeasuredasrelativehumidityorabsolutehumidity.DescriptionofmeteorologicalelementsAweatherphenomenoncharacterizedbylightning,thunder,andstrongwinds.ThunderstormsAweatherphenomenoncharacterizedbyadensecloudofwaterdropletsthatreducesvisibility.FogAweatherphenomenoncharacterizedbythefallofsnowflakesfromthesky.SnowAweatherphenomenoncharacterizedbytheformationofhailstonesinthecloudsthatfalltotheground.HailDescriptionofweatherphenomenaweatherforecastCATALOGUE02ModellingUsingcomputermodelstosimulateandpredictweatherpatterns.ObservationUsingvariousinstrumentsandsatellitestocollectdataonweatherconditions.ExperienceDrawingonpastweatherpatternsandmeteorologicalknowledgetomakepredictions.Theprincipleofweatherforecasting

TypesofweatherforecastsShort-termforecastsPredictingweatherconditionsforthenextfewhours.Medium-termforecastsPredictingweatherconditionsforseveraldaystoaweek.Long-termforecastsPredictingweatherconditionsforaweekorlonger,includingseasonalforecasts.WeatherforecastsarebroadcastonTVstations.TelevisionWeatherforecastsarebroadcastonradiostations.RadioWeatherforecastsareavailableontheinternet,includingwebsitesandmobileapps.InternetWeatherforecastsarepublishedinnewspapers.NewspapersThewaysofissuingweatherforecastsTheimpactofweatherondailylifeCATALOGUE03VSWeatherconditionscanaffecttheplanningandexecutionofoutdooractivities,suchassports,picnics,andhiking.Goodweathercanencouragepeopletoparticipateinoutdooractivities,whilebadweathermaydiscouragethem.WorkproductivityExtremeweatherconditions,suchasheatwaves,coldsnaps,orheavyrainfall,canreduceworkproductivity.Workersmayneedtotakebreaksorevenstayhomeduetotheunfavorableweather.OutdooractivitiesTheimpactofweatheronhumanactivitiesCropyieldsWeatherconditionsduringthegrowingseasoncansignificantlyimpactcropyields.Droughts,floods,andextremetemperaturescanreducecropyieldsandaffectthequalityoftheharvestedproduce.FarmingpracticesFarmersneedtoadjusttheirfarmingpracticesbasedonweatherpatternstoensureoptimalgrowthandyields.Forexample,theymayneedtoplantdifferentvarietiesofcropsbasedontheexpectedrainfallandtemperature.TheimpactofweatheronagricultureAirtravelWeatherconditionscansignificantlyimpactairtravel,leadingtodelaysandcancellations.Thunderstorms,strongwinds,andlowvisibilitycanforceairportstodelayorcancelflights.RoadtransportationExtremeweatherconditionssuchassnow,ice,orheavyrainfallcanmakeroadtraveldangerousandleadtotrafficaccidents.Roadclosuresortrafficrestrictionsmaybeimplementedinsevereweather.TheimpactofweatherontransportationMeasurestocopewithdifferentweatherconditionsCATALOGUE04MeasurestodealwithrainydaysBringanumbrellaCarryanumbrellawithyousothatyoucanprotectyourselffromgettingwetintherain.WearwaterproofshoesChooseshoesthataredesignedtokeepyourfeetdryinrainyweather.AvoidoutdooractivitiesIfpossible,stayindoorsduringrainydaystoavoidgettingwet.KeepachangeofclothesHaveachangeofclothesreadysothatyoucanchangeintodryclothesaftergettingwet.WearwarmclothesLayerupwithwarmclothingtokeepyourselfwarminthesnowyweather.WearbootsWearbootsthataredesignedtokeepyourfeetdryandwarminsnowyconditions.ClearsnowfromyourcarMakesuretoclearsnowfromyourcarbeforedrivingtoavoidanyaccidents.WatchoutforiceBecarefulwhenwalkingordrivingoniceasitcanbeslipperyanddangerous.MeasurestodealwithsnowyweatherAvoidoutdooractivitiesStayindoorsandavoidanyoutdooractivitiesduringlightningstorms.Unplugallelectricalappliancestoavoidanydamagecausedbylightningstrikes.Avoidusingthephoneduringlightningstormsasitc