Summary Synoptic Charts & Weather Stations - All you need to know
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Course
Geography
Institution
12th Grade
These notes are great for visual learners, and includes diagrams + labels for explaining and describing.
Covers synoptic charts basics, summer and winter synoptic chart as well as weather stations
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SYNTOPIC BASICS
Synoptic chart is summary of many observations from satellite images,
weather stations, aeroplanes, ships, floating weather buoys and weather
stations of Gough and Marion Island.
Updated every 6 hours by South African Weather Service (SAWS)
KHP
Kalahari High Pressure
H Generally visible over interior of
SA in winter
SAHP
SIHP
South Atlantic High Pressure
South Indian High Pressure
Coastal LP
Isobars
shallow LP system limited to
the lower layers of the A line drawn on a weather map
atmosphere and is formed when connecting points of equal
pressure
the wind blows from the land
TO the sea, usually during Closer together = Stronger Wind
bergwinds.
Trough
INFLUENCE ON WEATHER Elongated area of relatively low pressure
Where the air is flowing will determine weather. extending from the centre of a region of LP.
A HP over the Indian Ocean flowing towards an Ridge
interior LP will bring warm moist air = rain Elongated area of relatively high pressure
A HP over interior flowing towards coastal LP extending from the centre of a HP region.
will = dry air + berg winds tip to remember: a mountain ridge is high
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