is 12 mph wind strong?
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1 – Light air, winds of 1-2 mph. ... 3 – Gentle breeze, 8-12 mph. Twigs and small branches will move. 4 – Moderate breeze, 13-18 mph.
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Category 5 is as powerful as a hurricane can get under the Saffir-Simpson scale. These monster storms pack wind speeds of 157 miles per hour or more. Since 1924, there have been 35 documented hurricanes in the North Atlantic that reached this level—and of those, five have hit the United States at Category 5 strength.
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The Saffir-Simpson Hurricane Wind Scale consists of a five point scale of hurricane intensity and starts at 74 mph. Tropical cyclones with wind speeds up to 38mph are classified as tropical depressions and those with wind speeds from 39 - 73 mph are classified as tropical storms.
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The smoke will spread out both horizontally and vertically as it moves down wind. Wind speed usually increases with height. It is usually greatest in the afternoon. When transport winds are less than 9 mph, caution is indicated if smoke sensitive areas could be impacted.
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Winds of even 30 to 45 mph can make driving significantly more dangerous. First, they can actually blow your car off course. Second, they can blow other vehicles, including big tractor-trailers, off course, posing significant danger to other motorists on the road.
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Damaging winds are classified as those exceeding 50-60 mph. Are damaging winds really a big deal? Damage from severe thunderstorm winds account for half of all severe reports in the lower 48 states and is more common than damage from tornadoes.
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With this in mind, horizontal winds (also known as “crosswinds”) in excess of 30-35 kts (about 34-40 mph) are generally prohibitive of take-off and landing. As far as how this happens, it depends on where you are in flight.
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World Record Wind. For nearly sixty-two years, Mount Washington, New Hampshire held the world record for the fastest wind gust ever recorded on the surface of the Earth: 231 miles per hour, recorded April 12, 1934 by Mount Washington Observatory staff.
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These “ultimate” wind speeds are higher than “nominal” or “basic” wind speeds that you have used in the past, but do not fear, the resulting loads and reactions (uplifts) will be very similar to what you are used to.
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In the U.S., daily wind speeds typically average between 6 and 12 miles per hour (10 and 19 kilometers per hour) throughout the course of a year. These averages vary widely by geographic location.
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Generally speaking, wind refers to the flow of different gases within a large area. ... A gust is a sudden increase of the wind's speed that lasts no more than 20 seconds. This usually occurs when wind speeds reach a peak of at least 16 knots. A wind gust usually comes in 2-minute intervals.
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50 mph: Raindrops flying at this velocity will start to hurt and bending down is required to stay in balance. This wind speed is capable of blowing down large trees. 70 mph: This is around maximum wind speed most humans can withstand without getting blown away.
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The highest classification in the scale, Category 5, consists of storms with sustained winds over 156 mph (70 m/s; 136 kn; 251 km/h). The classifications can provide some indication of the potential damage and flooding a hurricane will cause upon landfall.
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A severe tropical storm is designated as a tropical cyclone when it reaches wind speeds of 64 knots (118 km/h, 74 mph). ... A very intense tropical cyclone is the highest category on the South-West Indian Ocean Tropical Cyclone scale, and has winds of over 115 knots (212 km/h, 132 mph).
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A Category 5 hurricane is defined as having sustained windspeeds of at least 137 knots (157 mph; 252 km/h; 70 m/s) over a one-minute period 10 metres (32 ft 10 in) above the ground. As a tropical cyclone is moving, its wind field is asymmetric.
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Most commercial drones can be flown in wind between 10 and 30 mph. The maximum speed of the drone determines up to which wind speed can be flown. A rule of thumb says that the wind may be up to two-thirds of the drone's maximum speed.
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Strong surface winds—20 MPH or higher—can cause takeoff to be bumpy, but only for one to two minutes.