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Wind pressures are positive on the windward side of a structure and negative on the leeward side. Infrequent wind gusts can cause poorly designed suspension bridges to sway. When wind gusts are at a similar frequency to the swaying of the bridge, the bridge can be destroyed more easily, such as what occurred with the Tacoma Narrows Bridge in ...
Wind gust speeds during Storm Abigail in November 2015 Sound of wind blowing in a pine forest at around 25 m/sec, with gust alterations. A wind gust or just gust is a brief, sudden increase in the wind speed. It usually lasts for less than 20 seconds, briefer than a squall, which lasts minutes. A gust is followed by a lull (or slackening) in ...
An even more vicious Santa Ana setup happened in early December 2011, with a peak gust of 97 mph at Whitaker Peak, winds commonly found in a Category 2 hurricane. These devastating winds toppled ...
Straight-line winds are common with the gust front of a thunderstorm or originate with a downburst from a thunderstorm. These events can cause considerable damage, even in the absence of a tornado. The winds can gust to 58 m/s (130 mph) [11] and winds of 26 m/s (58 mph) or more can last for more than twenty minutes. [12]
Wind shear can also create waves. This occurs when an atmospheric inversion separates two layers with a marked difference in wind direction. If the wind encounters distortions in the inversion layer caused by thermals coming up from below, it will create significant shear waves in the lee of the distortions that can be used for soaring. [20]
Wind damage swath extending for more than 400 miles (640 km) Wind gusts of at least 58 miles per hour (26 m/s; 50 kn) along most of its length; Several, well-separated 75 miles per hour (34 m/s; 65 kn) or greater gusts; Prior to January 11, 2022, the definition for a derecho was: [12] Wind damage swath extending for more than 240 mi (390 km)
"On the 28th and 29th, Dallas was one of many cities facing a wind threat," AccuWeather Since Thursday, Oct. 28, over 2,300 flights have been canceled by American Airlines alone.
Dust storms cause soil loss from the drylands, and worse, they preferentially remove organic matter and the nutrient-rich lightest particles, thereby reducing agricultural productivity. Also, the abrasive effect of the storm damages young crop plants. Dust storms also reduce visibility, affecting aircraft and road transportation.