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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 the wind speed. [1] Generally, winds are least gusty over large water surfaces and most gusty over rough land and near high buildings. [2]
Outflow boundary on radar with radial velocity and frontal boundary drawn in.. An outflow boundary, also known as a gust front, is a storm-scale or mesoscale boundary separating thunderstorm-cooled air from the surrounding air; similar in effect to a cold front, with passage marked by a wind shift and usually a drop in temperature and a related pressure jump.
The National Weather Service issues a similar high wind warning (Specific Area Message Encoding code: HWW) for high winds on land. The criteria vary from place to place; however, in most cases, the warning applies to winds of 40 miles per hour (64 km/h) to 73 miles per hour (117 km/h) for at least 1 hour; or any gusts of 58 miles per hour (93 km/h) to 114 miles per hour (183 km/h) on land.
In most cases, the winds will not be strong enough to pose a high risk of trees and power lines coming down, but crosswind gusts over the passes and through some of the open areas can be high ...
Wind is the natural movement of air or other gases relative to a planet's surface. Winds occur on a range of scales, from thunderstorm flows lasting tens of minutes, to local breezes generated by heating of land surfaces and lasting a few hours, to global winds resulting from the difference in absorption of solar energy between the climate ...
Isolated pockets of gusty winds reached 35 mph in the Malibu area and 58 mph in the San Gabriel Mountains on Thursday morning, according to the weather service. For Thursday afternoon into Friday ...
Straight-line winds (also known as plough winds, thundergusts, and hurricanes of the prairie) are very strong winds that can produce damage, demonstrating a lack of the rotational damage pattern associated with tornadoes. [10] Straight-line winds are common with the gust front of a thunderstorm or originate with a downburst from a thunderstorm ...
Rizzuto said winds of 20 to 30 mph (32 to 48 kph) are expected across much of the coastline, with gusts up to 45 mph (72 kph). Gale warnings have been issued along the coast, and Rizzuto advises ...