16-1 And 16-2 Flashcards
(36 cards)
The type do weather a nimbostratus cloud brings
Light to heavy continuous rain
What is the relative humidity when air reaches it’s dew point?
Relative humidity = 100%
Air is saturated
What does runoff do?
It flows to the ocean
How is sleet different from snow?
Sleet starts as rain and freezes as it falls through a layer of freezing air, snow is already frozen when it starts falling
What does cT stand for?
Continental tropical
Warm and dry air
How do winds move in a cyclone?
They spiral towards the center
What type of pressure does an anticyclone have
High pressure
What type of weather does an anticyclone create?
Warm pleasant weather in the summer
Cold clear days in the winter
What type of weather does an occluded front bring?
Cool temperatures and large amounts of rain and snow
Where does a continental polar air mass form?
Northern Canada
How does a warm front form?
Warm air moves over cold air and replaces it
The amount of water vapor in the air
Humidity
The short-term state of the atmosphere including temperature, humidity, precipitation, wind, and visibility
Weather
The ratio of the amount of water vapor in the air to the maximum amount of water vapor the air can hold at a set temperature
Relative humidity
The change of state from a gas to a liquid
Water vapor turns into a liquid
Condensation
A collection of small water droplets or ice crystals suspended in the air, which forms when the air is cooled and condensation occurs
Cloud
Water that falls from the atmosphere to Earth’s surface
Precipitation
What kind of weather does a stationary front bring?
Many days of cloudy, wet weather
What percent of the world’s tornadoes occur in the United States?
90%
The area where 2 types of air masses meet?
A front
What should you do during a tornado warning?
Find shelter quickly (basement)
An area of low pressure where air masses meet and rise
Cyclone
The process in which liquid water turns into water vapor
Evaporation
The point at which the air is completely saturated and must cool
Dew point