9781422287767
12 SURVIVal at sea
Cirrostratus
Cirrus
Cumulonimbus
Cirrocumulus
Cumulus
Altocumulus
Stratus
Stratocumulus
Recognizing the various cloud formations can indicate what type of weather is approaching, and the type of kit required for an operation.
The clouds can tell you what the weather will be like, but you also need to be able to read the winds. A good way of doing this is using what is known as the Beaufort Scale. This scale helps you read how much danger you are in. THE BEAUFORT SCALE Description & Land signs and sea signs wind speed (knots)
0 Calm (less than 1)
Smoke rises. Sea surface smooth. Smoke drifts, wind vanes are still. Wind felt on face. Vanes move.
1 Light air (1-3) 2 Light breeze
(4-6)
Rustling leaves.
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