Grade 10 Flashcards
Jet stream
High level winds in the troposphere that blow from the west.
Weather glyph
A diagram showing weather conditions at a surface station
El Niño
Change in ocean currents every few years that affects weather throughout most the world
Isotherms
Lines on weather maps that connect areas of the same temperature.
Climate
Average weather conditions over a long period of time
Millibar
Unit of measure for air pressure
Meteorologist
A person who studies atmospheric changes, particularly those that are weather related
Weather
The general condition of the atmosphere at a particular time and place
Air pressure
Weight of air that presses down on a certain area.
Stationary front.
Formed when cold fronts and warm fronts meet
Winds
Movement of air from areas of high pressure to areas if low pressure.
Dew point.
Temperature at which water condenses in air and forms on the ground
Prevailing westerlies
Winds that blow toward the east
Air masses
Huge bodies of air that form over a region and have the temperature and humidity of that region.
Cold front
The leading edge of a cold air mass
Albedo
Heat/light energy taken in by an object.
Absorption
Heat/light energy taken by an object
Solar radiation
Heat/light energy from the sun
Atmospheric convection
The movement of heat energy through the earths atmosphere.