| 31. | Typhoons are defined as having minimum surface winds of at least 118 kph ( 74 mph ).
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| 32. | One possibility, said Stute, is that surface winds in glacial times could have muddled the ocean record.
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| 33. | A tropical storm is a warm-core tropical cyclone with sustained surface winds of 39 to 73 mph.
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| 34. | A tropical storm becomes a typhoon when its surface winds reach 118 kph ( 74 mph ).
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| 35. | The surface wind speed was then estimated at 145 mph, about 80 percent of the high-level wind.
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| 36. | Meanwhile, sporadic showers will dampen the Washington and northern Oregon coasts as moist, onshore surface winds persist.
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| 37. | The surface winds currently are too strong for any kind of a balloon launch at this moment,
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| 38. | CYGNSS will measure the ocean surface wind field using a bi-static scatterometry technique based on GPS signals.
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| 39. | At the same time, strong surface winds from the southwest in International Falls pushed the mercury upward.
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| 40. | Wind waves also act to modify atmospheric properties through frictional drag of near-surface winds and heat fluxes.
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