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5.4 Weather Forecasting Description and Limitations
In general, if the rate of change of pressure increases, the weather is
generally improving (sunny to partly cloudy). If the rate of change of
pressure decreases, the weather is generally degrading (cloudy, rainy or
stormy). If the rate of change is relatively steady, it will read partly cloudy.
The reason the current conditions do not match the forecast icon is because
the forecast is a prediction 24-48 hours in advance. In most locations, this
prediction is only 70% accurate and it is a good idea to consult the National
Weather Service for more accurate weather forecasts. In some locations, this
prediction may be less or more accurate. However, it is still an interesting
educational tool for learning why the weather changes.
The National Weather Service (and other weather services such as
Accuweather and The Weather Channel) have many tools at their disposal to
predict weather conditions, including weather radar, weather models, and
detailed mapping of ground conditions.
5.5 Moon Phase
In the event the moon phase is 100%, the icon
will appear
in its place. In the event of 0%, the word “New Moon” will appear in its
place.
Moon Phase
Image
Moon Phase
Image
Day 1
Day 14
Day 2
Day 15
Summary of Contents for HP2553
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