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If wind speed is less than or equal to 6 kn (11 km/h; 6.9 mph), the wind direction will be displayed as variable or "VRB". If the wind speed is greater than 6 knots, but the direction varies more than 60° in the past 2 minutes, METAR will report the range of wind direction.
Wind resource map of South Dakota. The state of South Dakota is a leader in the U.S. in wind power generation with over 30% of the state's electricity generation coming from wind in 2017. [1] In 2016, South Dakota had 583 turbines with a total capacity of 977 megawatts (MW) of wind generation capacity. [2] In 2019, the capacity increased to ...
A South Dakota board is mulling increased water pumping rights on the James River, which since the late 1990s has seen close to a 300 percent higher annual flow. (The James River starts in North Dakota and flows into the Missouri Rover in South Dakoata.) “Climate is the likely dominant force causing the increase in the streamflow,” said Ms ...
In the fall, storm systems that emerge from the Rockies frequently produce strong winds over a large area, due to their rapid strengthening which produces a tight pressure gradient between ...
Farmers rely on weather forecasts to decide what work to do on any particular day. For example, drying hay is only feasible in dry weather. Prolonged periods of dryness can ruin cotton, wheat, [105] and corn crops. While corn crops can be ruined by drought, their dried remains can be used as a cattle feed substitute in the form of silage. [106]
The station model uses a wind barb to show both wind direction and speed. The wind barb shows the speed using "flags" on the end. Each half of a flag depicts 5 kn (9.3 km/h; 5.8 mph) Each full flag depicts 10 kn (19 km/h; 12 mph) Each pennant (filled triangle) depicts 50 kn (93 km/h; 58 mph) [4]
Santa Ana winds and, their Bay Area cousin, the Diablo winds occur when air from a region of high pressure over the dry Great Basin region of the U.S. flows westward toward lower pressure located ...
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]