28.2 Flashcards
Jet stream
A narrow band of fast moving,high altitude air
Coriolis effect
The apparent deflection of an object due to Earth’s rotation
Air mass
A large volume of air w/ uniform moisture and temp. throughout
Weather font
Air masses interact in zones
how many jet streams are there in the world
4
how many pressure systems are there
2
what is the low pressure system also known as
a low (L)
what direction does the low pressure system flow
counterclockwise
what are some results the a low pressure system
air rises, clouds form and create precipitation
what is a high pressure system known as
a high (H)
what direction does a high pressure system flow
clockwise
what are some results the high pressure system
air sinks and creates clear skies
what are the 4 weather fronts
cold front
warm front
stationary front
occluded front
what causes a cold front
cold air forces warm air up in a fast chaotic manner which create cumulus clouds
what is a cold front represented by in the news
by blue triangles
