Synoptic Charts Flashcards
Define trough
Isobars bend away from low pressure
Define saddle
Area of constant pressure
Define atmospheric pressure
Pressure that the weight of the air exerts when resting on a surface area
Define isobars
Line in map which joins places with same atmospheric temp
Define cyclone
Low pressure area enclosed by circular isobars. Air moves in
Define anticyclone
High pressure area enclosed by isobars. Air moves down and out
Define ridge
Isobars bend away from high pressure
Define station model
Summary of weather elements and condition at a place on a synoptic weather map
Name four things where we can get weather information from
Floating buoys
Meteosat
Weather balloons
Ships at sea
Define synoptic weather map
Summary of recorded weather reading at a given time
Name the two important SA weather stations
Marion Island
Gough island
Define cold front
Boundary btw approaching cold air and warm air that lies ahead of it
Define warm front
Boundary btw approaching warm air and colder air that lies ahead of it