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increases, the weather improves (sunny to partly cloudy) and when the
pressure decreases, the weather degrades (cloudy to rain).
The weather forecast is an estimation or generalization of weather
changes in the next 24 to 48 hours, and varies from location to location.
The tendency is simply a tool for projecting weather conditions and is
never to be relied upon as an accurate method to predict the weather.
15.2 Weather Icons
Condition
Icon
Description
Sunny
Pressure is rising and the
previous condition is
partly cloudy.
Partly
Cloudy
Pressure is falling and
the previous condition is
sunny or
Pressure is rising and the
previous condition is
cloudy.
Cloudy
Pressure is falling and
the previous condition is
partly cloudy or
Pressure is rising and the
previous condition is
rainy.
Rainy
Pressure is falling and
the previous condition is
cloudy.
