| 11. | It uses the current surface air temperature and surface wind speed.
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| 12. | Surface wind speeds were then algorithmically deduced from these wave speeds.
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| 13. | Maximum sustained surface winds were estimated at 140 miles an hour.
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| 14. | And brisk surface winds must be blowing into the storm.
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| 15. | A hurricane has minimum sustained surface winds of 74 mph.
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| 16. | The warmer water sends hotter air into the upper atmosphere, creating easterly upper-surface winds.
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| 17. | Sea surface wind has been traditionally observed from platforms such as ships and buoys.
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| 18. | However, hurricanes are given categories from one to five based on maximum sustained surface winds.
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| 19. | Surface winds accelerating down valleys down the western Pacific ocean coastline, causing the winter monsoon.
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| 20. | Surface winds in the Northern Hemisphere tend to blow to the left of winds aloft.
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