chapter 28.2 Flashcards
jet stream
narrow band of fast moving, high altitude air
how many jet streams are in the world
4
how many pressure systems are there
2
what is a low pressure system known as
low
which way does the air flow for a low pressure system
towards the center
what are some results of a low pressure system
cloud formation and precipitation
what is high pressure system also known as
High (H)
which way does a high pressure system rotate
clockwise
what result when a high pressure system
air to sink causes clears skies
what are the 4 weather fronts
cold front, warm front, stationary front and occluded front
how is a cold front created
cold air forces warm air up
how is a cold front represented on a weather forecast
blue triangle
how is a warm front represented on a forecast
red half circles
how are warm fronts created
warm air rises gently above cold air
how are stationary fronts created
cold and warm air meet and can last for days
how are they represented
half circles on top triangles on bottom and they alternate
how is a occluded front created
cold fronts coming quick forcing the warm air above
how are they represented
purple alternating half circles and triangles on top