Weather Vocabulary Cards (1) - cabarrus.k12.nc.us€¦ · weather map A map that shows current...
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jet stream fast flowing, narrow air currents found in the atmosphere (specifically troposphere) that are about 10 km or 20,000 ft-50,000 ft above Earth's surface
Transcript of Weather Vocabulary Cards (1) - cabarrus.k12.nc.us€¦ · weather map A map that shows current...
jetstreamfastflowing,narrowaircurrentsfoundintheatmosphere
(specificallytroposphere)thatareabout10kmor20,000ft-50,000ft
aboveEarth'ssurface
GulfStreamawarmoceancurrentthat
affectstheclimateoftheEastCoastoftheUnited
States
airmassAlargebodyofair
thathaspropertiessimilartothepartofEarth'ssurfaceoverwhichitdevelops
LaNina/ElNino• ElNiñoAnabnormalwarmingofsurfaceoceanwatersintheeasterntropicalPacific.• LaNiñaAlowerseasurfacetemperatureacrosstheequatorialeasterncentralPacificOcean
prevailingwesterlies globalwindsystem
thatliesbetween30degreesand60
degreesnorthandsouthlatitude,wheresurfaceairmoves
towardthepolesinaneasterlydirection
temperature measurementofhowquicklyorhowslowly
moleculesmovearound,whichcanbemeasuredindegreesfahrenheit,celsius,or
kelvin
airpressure
Isduetotheweightoftheatmosphere
pressingdownonEarth
humidity
Theamountofwatervaporinthe
air
latitude/longitude • LatitudemeasuresdistanceNorthorSouthoftheEquator
• LongitudemeasuresdistanceeastorwestofthePrimeMeridian.
hemisphere Onehalfofasphere.Earthcanbedividedintoeastern
andwesternhemispheresornorthernandsouthern
hemispheres.
thermometer
Aninstrumentthatmeasuresthetemperatureof
theair
barometer
Aninstrumentthatmeasuresair
pressure
anemometer
Aninstrumentthatmeasureswindspeed
hygrometer
weatherinstrumentused
tomeasurerelativehumidity
windvane
Aninstrumentthatmeasuresthedirectionofthe
wind
raingauge
Aninstrumentthatmeasuresprecipitation
coldfrontthetransition
zonewhereacoldairmassisreplacinga
warmerairmass
warmfrontthetransitionzonewherea
warmairmassisreplacingacold
airmass.
occludedfront
whenacoldfrontovertakesawarm
front.
stationaryfront
Anon-movingfrontwhereacoldairmassandawarmairmass
meet
cirruscloudFeathery,wispycloudsthatoftenindicatethatrainorsnowwillfallwithinafew
hours.
stratuscloud
Smoothgraycloudsthatcoverthewholeskyandusuallybringlightrainanddrizzle.
cumuluscloudFluffyandwhitecloudsthathaveaflatbottom.These
cloudsareassociatedwithsunnyweather.
cumulonimbuscloud
Cloudsthatareassociatedwithweatherthatis
stormy.
weatherconditionof
earth’satmosphereataparticulartime
andplace
climate
Averagedailyweatherobservedoveranextendperiodoftime.
hurricanes
Atropicalstormthathaswindsof
about119kilometersperhourorhigher
weathermapAmapthatshowscurrentweather
andmakespredictionsabouthowitwillchange.
greenhouseeffectaprocessbywhich
thermalradiationfromaplanetarysurfaceis
absorbedbyatmospheric
greenhouse gases,andisre-radiatedinall
directions.
Coriolis effect
thewayinwhichtherotationoftheearthcausesthewindstocurve
convectioncurrents circular
movementofaircausedbycycleofwarmairrisingandcoolairsinking
landandseabreezes thetwobreezesoccur
alongcoastalareasorareaswithadjacentlargewaterbodies.Waterand
landhavedifferentheatingabilities.Watertakesabitmoretimetowarmupandisabletoretaintheheatlonger
thanlanddoes.
precipitationAlltheformsofwater,suchasrain,sleet,hail
andsnow,thatfalltothegroundfromthe
atmosphere
evaporation
tochangefromliquidtogas
transpiration processbywhichmoistureiscarriedthroughplantsfrom
rootstosmallporesontheundersideofleaves,whereit
changestovaporandisreleasedtotheatmosphere.
condensation
changeofthephysicalstateofmatterfromgasphaseintoliquid
phase
runoffistheflowofwaterthatoccurswhenexcessstormwater,meltwater,orothersourcesflowsovertheearth'ssurface.
