8.3 and 8.4 Flashcards
What is a warm front?
a warm air mass moves over a cold air mass
brings drizzly rain and warm
-o-o-o
What is a cold front?
cold air mass moves over warm and pushes it up
brings rain, thunderstorms, and cool
-^-^-^-
What is a stationary front?
a cold air mass meets a warm air mass and doesnt move, nothing happens because they dont have enough force
brings light rain and clouds
triangle and circles south
how do you calculate relative humidity?
100• amount in the air
—————–
amount can really hold
the greater the air pressure difference is, ______________________.
the faster wind moves
When isobars are close, ___________________.
the faster the wind
What are the factors of weather?
temperature, humidity, precipitation, air pressure, wind, and visibility
Cooler sinking air (high pressure) brings?
little precipitation
Warmer and wetter air brings?
a lot of precipitation
what is the california current?
a current that brings cooler temperature to pacific and california
*tropical storms weaken
what is the gulf stream?
brings warm air from the equator to the east coast
*strengthens formation of tropical storms
What is the El Niño?
brings above average tenperature to pacific
What is the La Niña?
brings below average ocean temperatures to eastern pacific
What the source regions?
maritime polar: wet cold
maritime tropical: wet warm
continental tropical: dry warm
continental polar: dry cold
What happends in high pressure areas?
slowly descends and warms and brings clear skies
