Atmosphere Flashcards
Westerlies meet polar easterlies here
Polar front
Where trade winds meet and typhoons are formed.
ITCZ
It is the horse latitude and there are no preciptation in this area
30’N
It is the tropical area
60’N
Refers to the state of the atmosphere at a specific time and place
Weather
Measure of the average pattern of variation in atmosphere in a given region over long periods of time
Climate
Measure of the average amount of motion in particles
Air temperature
Used to measure air temperature
Thermometer
Force per unit area exerted on a surface by the weight of air
Air pressure
Used to measure air pressure
Barometer
Amount of water vapor present in the air
Humidity
Used to measure humidity
Hygrometer
Measure of the amount of water vapor present in the air compared to the amount needed for saturation at a specific temperature
Relative humidity
Used to measure wind speed and direction
Anemometer and wind vane
Refers to the fraction of thr sky obscured by clouds when observed from a particular location
Cloud cover
Unit of measurement for cloud cover
Okta
Mass of water droplets or tiny ice crystals that floats in air
Cloud
Highest clouds in the sky and made up of ice crystals. It appears as curls, tufts, or wisps.
Cirrus
What does cirrus usually signify?
End of clear weather
Cotony clouds
Cumulus
Low-lying, dull-colored clouds that form in layers or sheets
Stratus
Prefix meaning “middle range clouds”
Alto
A rain cloud
Nimbus
It determines the form of precipitation that falls.
Air temperature
Large bodies of air that are moving
Air masses
Air masses are cold and dry
Continental artic and continental polar
Air masses are hot and dry
Continental tropical
Air masses are cool and moist
Maritime polar
Air masses are warm and moist
Maritime tropical and maritime equatorial
A boundary between two air masses of different density, moisture, or temperature.
Front
A general term that describes any pulse of energy moving throughh the atmosphere
Weather disturbance
Formed in the indian ocean
Cyclone
It forms in the atlantic ocean and in australia
Hurricanes
It forms in the pacific ocean
Typhoon
It draws energy from the sea surface and maintaining it strength as long as it remains over warm water.
Cyclones / Hurricanes / Typhoon
Local storms in the middle and lower latitudes that are accompanied by thunder and lightning
Thunderstorms
It is an intense discharge of electricity
Lightning
A violently rotating column of air
Tornados
It is an intense vortex. It occurs over a body of water and connected to a cumuliform cloud.
Waterspout
It is a seasonal change in the direction of the prevailing wind.
Monsoon
It is the cold season. Dry winds blow from land to ocean.
Amihan
It is warm season. Wet winds blow from ocean to land.
Habagat
A kind of natural disaster and carries collection of particles of dust or sand lifed to great heights by strong and turbulent wind.
Sandstorm or Duststorm
Gas in an atmosphere that absorbs and emits radiation.
Greenhouse gas
What is the effect of greenhouse gases?
Heat and energy in the atmosphere will be stuck
It is the attempt to change the amount or type of precipitation that falls from clouds.
Cloud seeding
