英語(yǔ)課件-關(guān)于天氣的

EnglishCourseware-AboutWeather目錄contentsBasicknowledgeofweatherVocabularyandexpressionsfordescribingweatherweatherforecastWeathercharacteristicsindifferentregionsWeatherandLife01BasicknowledgeofweatherWeatheristheconditionoftheatmosphereatagiventimeandplace,includingtemperature,humidity,precipitation,cloudiness,windspeedanddirection,etc.Itisacomplexsystemthatisconstantlychangingandaffectedbyvariousfactorssuchaslatitude,longitude,altitude,topography,andtheinteractionoftheatmospherewiththeland,sea,andice.Thestudyofweatheriscalledmeteorology,whichisabranchofatmosphericscience.DefinitionofWeather01Accordingtothetemperature,humidity,andothermeteorologicalfactors,weathercanbedividedintodifferenttypes,suchasclear,cloudy,rainy,snowy,windy,andfoggy.02Inaddition,therearealsomarineweatherandmountainweatheraccordingtothedifferentgeographicalenvironments.Marineweatherisusuallywarmandhumid,whilemountainweatherisoftencoldanddry.03Theclassificationofweatherisveryimportantforpeople'sproductionandlifeactivitiesbecausedifferentweathertypeshavedifferentimpactsonhumanactivities.ClassificationofWeatherTheimpactofweatherWeatherhasagreatimpactonpeople'slives.Itdeterminesthechoiceofclothing,theamountofoutdooractivities,andthemodeoftransportation.Forexample,inhotweather,peoplechooselightclothingandtakemorerest;incoldweather,theychoosewarmclothingandincreaseoutdooractivitiestokeepwarm.Weatheralsohasagreatimpactonagriculture.Differentweatherconditionshavedifferenteffectsoncropgrowthandyield.Forexample,suitablerainfallandsunshineareconducivetothegrowthofcrops;excessiverainfallmaycausewaterlogginganddisease;strongwindsmaycausedamagetocrops;andlowtemperaturemaycausefreezingdamagetocrops.Inaddition,weatheralsohasanimpactontransportation,construction,andotherfields.Forexample,fogandraincanaffectflightsafety;strongwindscanaffectshipnavigation;andhightemperaturecanaffectconstructionprogress.02VocabularyandexpressionsfordescribingweatherAdjectivesthatdescribeweatherusedtodescribeweatherwithclearskiesandsunshine.usedtodescribeweatherwithcloudscoveringthesky.usedtodescribeweatherwithrainfalling.usedtodescribeweatherwithstrongwindsblowing.SunnyCloudyRainyWindyRainSunshineCloudsWindNounsdescribingweather01020304theactorprocessofrainfallingfromclouds.theactorprocessofthesunshining.amassofwatervaporsuspendedinthesky.themovementofairmasses.usedtodescribethecurrentweatherconditions.Todayusedtodescribeweatherconditionsexpectedinthefuture.Tomorrowusedtodescribeweatherconditionsofthepast.Yesterdayusedtodescribeweatherconditionsatdifferenttimesoftheday.Inthemorning/afternoon/eveningAdverbsandprepositionalphrasesdescribingweatherIt'ssunnytoday.There'sachanceofraintomorrow.Itwaswindyyesterdayafternoon.Thetemperatureisexpectedtodroptonight.01020304Sentencepatternsfordescribingweather03weatherforecastShort-termforecasts(1-3days)Predictweatherconditionsforthenextfewdays,includingdailytemperatureranges,precipitation,andwindspeed.Long-termforecasts(morethan3days)Providepredictionsforextendedperiods,suchasweeklyormonthlyforecasts,whichmayincludeseasonalforecastsfortemperature,rainfall,andotherclimatevariables.TypesofweatherforecastsProvidealikelihoodorprobabilityofcertainweathereventsoccurring,suchasthechanceofrainonagivenday.ProbabilityforecastsProvidedetailedweatherpredictionsbeyondthestandardlong-termforecasts,oftenuptoseveralweeksorevenmonthsinadvance.ExtendedforecastsTypesofweatherforecasts0102TemperaturePredictedhighsandlowsfortheday,alongwiththetimeofdaytheyareexpectedtooccur.PrecipitationForecastedrain,snow,sleet,orhail,includingtheexpectedstartandendtimesandamountsexpected.WindPredictedwindspeedanddirection,includingwhethergustsareexpectedandatwhattimeofday.CloudCover…Expectedtypeofclouds(e.g.,clear,partlycloudy,overcast)andanyexpectedweatherphenomena(e.g.,fog,mist,orthunderstorms).AdditionalInformationOtherrelevantinformationsuchasexpectedairquality,pollencounts,orUVlevels.030405Theconstituentelementsofweatherforecast0102Checkthed…Ensureyouarelookingatthemostrecentweatherinformation.Payattenti…Knowingwhetheritwillbewarmorcoldandwhatthefeelsliketemperature(takingwindchillintoaccount)willhelpyoudressappropriately.WatchforprecipitationDetermineifrain,snow,orotherformsofprecipitationareexpectedandwhentheyareexpectedtooccur.ConsiderwindconditionsWindscansignificantlyaffecthowcolditfeelsandcanimpactoutdooractivities.Checkthee…Thiswillgiveyouasenseofwhatthedayorweekaheadmaybelikeandwhetheritwillbefavorableforoutdooractivities.030405Howtoreadweatherforecasts04WeathercharacteristicsindifferentregionsHotandhumidwithrainthroughouttheyearTheclimateofthetropicalrainforestishotandhumid,withrainfallthroughouttheyear.Thetemperatureremainsrelativelyconstant,andthereisahighlevelofprecipitation.Thistypeofclimateisfoundinregionsclosetotheequator,wherethesunisalmostdirectlyoverheadatnoon.TropicalRainforestClimateHotandhumidwithdistinctrainyanddryseasonsThetropicalmonsoonclimateischaracterizedbyhotandhumidconditionswithdistinctrainyanddryseasons.Duringtherainyseason,thereisheavyrainfall,andduringthedryseason,thereislittleornorain.Thistypeofclimateisfoundinregionsthatexperiencethemonsoonwinds,typicallylocatedonthecontinentalshelf.TropicalMonsoonClimateWarmandhumidwithdistinctseasonsThesubtropicalhumidclimateiswarmandhumid,withdistinctseasons.Duringthesummer,thereishighhumidityandfrequentrainfall,whileduringthewinter,theweatherisdrier.Thistypeofclimateisfoundinregionsthatarelocatedinthesubtropicalzone,typicallybetween30and40degreeslatitude.SubtropicalHumidClimateMildwithrainfallspreadthroughouttheyearThetemperatemarineclimateischaracterizedbymildtemperaturesandrelativelyevendistributionofrainfallthroughouttheyear.Thesummersarecool,andthewintersaredampandcloudy.ThistypeofclimateisfoundinregionsthatareinfluencedbytheGulfStreamandotheroceancurrents,typicallyalongthewesterncoastsofcontinents.TemperateMarineClimateColdwith