28.2 Flashcards
jet stream
a narrow jet stream of fast-moving, high-altitude air
coriolis effect
the apparent deflection of an object due to the hemisphere
air mass
a large volume of air with uniform moisture and temperature throughout
weather fronts
when air masses interact with zones
how may pressure systems are there
there are two
what is the low pressure system also known as
Low(L)
which direction does a low pressure system flow
counter clock-wise
what are some results of a low pressure system
air rises clouds form and create precipitation
what is a high pressure system also known as
High(H)
what does a high pressure system cause
causes air to sink causing clear skies
what are the four weather fronts
cold fronts, warm fronts, stationary front, and occluded fronts
what causes a sold frobt
caused by warm air rising upward in a chaotic manner
what is a cold front represented on the news
represented by blue triangles
how are warm fronts caused
warm air rises gently above cold air
what is the warm front represented by on the news
represented by red semi-circles