Test Prep
What is the dew point?
the temperature when the water vapor in the air condenses
What is a Maritime air mass?
air masses that form over the ocean, are humid
what is an occluded front?
when a warm air mass is caught between two cold air masses
What type of weather does a cyclone bring?
clouds and percipitation
list the 3 types of high clouds
cirrus, cirrocumulus, cirrostratus
How does a cloud form?
as air rises into the atmosphere, it expands and cools. Once it reaches it's dew point, clouds begin to form
what is a continental air mass?
fdry air masses that form over land
what type of weather does an occluded front bring?
cooler ground temperature, cloudy or rainy
I am the opposite of a cyclone
anticyclone
list the 2 middle clouds
altocumulus, altostratus
List the four types of air masses
Tropical, Polar, Maritime, Continental
What are the four types of fronts?
Warm, cold, occluded, stationary
what type of weather does a stationary front bring?
rain, snow, fog, clouds, many days of percipitation
what type of weather does and anticyclone bring?
dry, clear weather
list the 4 types of low clouds
cumulus, stratus, stratocumulus, nimbostratus
What is a Tropical air mass
warm air masses that form over the tropics
What type of weather does a warm front bring?
rain or fog for several days
what direction does a cyclone blow?
counter-clockwise
dark gray "wet" looking cloud
nimbostratus
describe a stratus cloud
uniform, grayish cloud, entire sky
What is a Polar air mass?
cold air masses that form over the poles
What is the weather AFTER a warm front passes?
warm and humid
Winter:
snow
I form an area of low pressure
cyclone
low lumpy
stratocumulus
describe a cumulus cloud
puffy, cottony clouds