Recap Flashcards
Weather
The condition of the atmosphere in a particular area over a short period of time
Climate
The average weather conditions experienced in an area over a long period of time (+- 20years)
Cyclogenesis
Development of weather systems such as mid-latitude cyclones and tropical cyclones
Low pressure cell
Circular
Ascending air
Clockwise circulation
Air Converges
Cyclone
Unstable weather
Isobars decrease towards centre
High pressure cell
Oval
Descending air
Anti-clockwise circulation
Diverging air
Stable weather
Isobars increase towards centre
Summer pressure belts
all pressure belts migrate southwards
TL over SA
SAHP closer to WP
SIHP further south
Winter pressure belts
All pressure belts migrate northwards
KHP over SA
SAHP closer to NP
SIPH further north
Synoptic weather map
Summary of the recorded weather condition at a specific time
Measure wind in?
Knots