Uncontrolled copy not subject to amendment

1
Uncontrolled copy not subject to amendment

• Basic Navigation Using Map and Compass

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Basic Navigation Using Map and Compass

• Learning Outcome 5
• Be able to recognise weather conditions that
  affect land navigation

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Hot and Cold Air Masses
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Main Air Masses
Width of the arrows indicates the frequency of
occurrence
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Weather Map
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Fronts and Frontal Depressions
Numbers refer to pressure in millibars
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Weather Map Westerly Winds
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Depression Chart
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Depression
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Fronts and Frontal Depressions
Section through a frontal system Cold front is
steeper than the warm front
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Upper Winds
Weather map showing isobars for both upper and
lower winds
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Local Warming
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High and Low Pressure
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Approaching Rain
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Depression X Section
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Warm Front
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Cold Front
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Occluded Front
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Pockets of Air
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Thermals above
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Air rising over mountains
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Rising Air Dewpoint
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Cloudy foothills
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High and Low Pressure
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Funnels and Eddies
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Banner Clouds
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Temperature Inversion
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Cross Section
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