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11 Cards in this Set
- Front
- Back
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Force 0
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Calm – flat – 0 m – smoke rises vertically
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Force 1
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Light Air – 1 to 3 kn – ripples without crests – 0.1 m – wind motion visible in smoke
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Force 2
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Light Breeze – 4-6 kn – small wavelets, crests of glassy appearance, not breaking – 0.2 m – wind felt on exposed skin, leaves rustle
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What force is between 7 and 10 kn.
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Force 3 – Gentle Breeze
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What force is between 11 and 16 kn.
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Force 4 – Moderate Breeze
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What force is between 17 and 21 kn.
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Force 5 – Fresh Breeze
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What force is between 22 and 27 kn.
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Force 6 – Strong Breeze
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What force is between 28 and 33 kn.
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Force 7 – Near Gale
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What force is between 34 and 40 kn.
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Force 8 – Gale
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What force is between 41 and 47 kn.
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Force 9 – Strong Gale
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What force is between 48 and 54 kn.
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Force 10 – Storm
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