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- ╔═M.P.H══Term════════╦═Effects on Sea═══════╦══Effects on Land══════╦═Wave Hgt═╗
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- ║ < 1 Calm ║ Sea like a mirror ║Calm, smoke goes up ║ 0 ║
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- ║ 1-3 Light air ║ Slight ripples ║Smoke shows direction ║ 0 ║
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- ║ 4-7 Light Breeze║ Small wavelets ║Leaves Rustle ║ .33 ║
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- ║ 8-12 Gentle Brz. ║ Large wavelets ║Leaves, twigs in motion║ 1-2 ║
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- ║ 13-18 Moderate ║ Waves w/whitecaps ║Dust, leaves, paper ║ 2-4 ║
- ║ ║ Breeze ║easily flutter ║ ║
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- ║ 19-24 Fresh Brz. ║ Moderate waves ║Small trees sway ║ 4-8 ║
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- ║ 25-31 Strong Brz. ║ Larger waves, spray ║Larger branches moving ║ 8-13 ║
- ║ ║ many whitecaps ║wires whistling. ║ ║
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- ║ 32-38 Near Gale ║ White foam from ║Whole trees move, ║ 13-17 ║
- ║ ║ whitecaps ║hard to walk. ║ ║
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- ║ 39-46 Gale ║ Higher waves of more ║Small branches of trees║ 18-20 ║
- ║ ║ length, foam streaks ║broken, more resistance║ ║
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- ║ 47-54 Strong Gale ║ High waves, sea rolls║Small building damage ║ ║
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- ║ 55-63 Storm ║ Very high waves with ║Trees break, uproot, ║ 20-30 ║
- ║ ║ crests, sea looks ║Large building damage ║ ║
- ║ ║ mostly white. ║ ║ ║
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- ║ 64-72 Violent ║ Air has much foam, ║Seldom on land, much ║ 30-45 ║
- ║ Storm ║ sea mostly white, ║damage. ║ ║
- ║ ║ poor visibility. ║ ║ ║
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- ║73-136 Hurricane ║ Air filled w/foam, ║Very rare on land, ║ > 45 ║
- ║ ║ sea completely ║extremely widespread ║ ║
- ║ ║ white, very little ║damage. ║ ║
- ║ ║ visibility. ║ ║ ║
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