weather and climate Flashcards
meaning of weather
weather is the short term changes in the atmosphere(wind,rain,snow,sun).it can change in minutes or hours
meaning of climate
climate is a long term pattern of weather in an area, usually over a period of 30 years
what is extreme weather
weather that is more intense than usual conditions
what are the 4 climates
polar,temperate,tropical and arid
high pressure:air rise or sink?
sink
high pressure:dry or wet?
dry
high pressure:clear skies or clouds?
clear skies
low pressure:air rise or sink?
rise
low pressure:dry or wet?
wet
low pressure:clear skies or clouds?
clouds
name the 5 air masses
maritime,continental,arctic,polar and tropical
what are the 3 types of rainfall?
relief,convectional and frontal
process of relief rainfall(put in order):
a.creates dry area called rain shadow
b.warm,moist air from atlantic rises over mountains
c.once over mountain,dry air sinks and warms
d.air,cools condenses and forms clouds
bdca
process of convectional rainfall(put in order):
a.warm air rises rapidly,starts to cool,condense and forms clouds
b.produces heavy rainfall/thunderstorms
c.these clouds can be large,cumulonimbus clouds
d.sun heats land and creates rising pockets known as convection currents
dacb
process of frontal rainfall(put in order):
a.cooler air cools,condenses and forms clouds
b.when warm air rises it cools
c.clouds bring heavy rain
d.frontal rainfall occurs when warm front meets cold fronts.heavier cold air sinks into ground.warm air rises above it
dbac
meaning of biomes
biomes are areas of the planet with a similar climate,where similar plants and animals live
tropical rainforest:high temp,avg temp or low temp
high temp
tropical rainforest: high or low precipitation
high precipitation
savannah grassland:consistently warm temp or low temp
warm temp
savannah grassland:high or low precipitation in a rainy season
high precipitation
cold desert:high or ow temp all year round
low temp
cold desert:high or low precipitation all year round
low precipitation
hot desert:high or low temp
high temp
hot desert:high or low precipitation
low precipitation