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A wind advisory is generally issued by the National Weather Service of the United States when there are sustained non thunderstorm winds of 31–39 miles per hour (50–63 km/h) and/or gusts of 46–57 miles per hour (74–92 km/h) over land. Winds over the said cap will trigger high wind alerts rather than a wind advisory
An H-style cap (cowl) is a chimney top constructed from chimney pipes shaped like the letter H. It is an age-old method to regulate draft in situations where prevailing winds or turbulence cause downdraft and back-puffing. Although the H-cap has a distinctive advantage over most other downdraft caps, it fell out of favor because of its bulky looks.
High wind watch HWA – Strong sustained winds of 40 to 73 miles per hour (64 to 117 km/h) or greater for one hour or more, or wind gusts of 58 to 89 miles per hour (93 to 143 km/h) for any duration are expected within 12 to 48 hours. Wind speeds may pose a hazard to pedestrian and vehicular travel (including toppling or creating flying debris ...
Maximize wind-induced ventilation by siting the ridge of a building perpendicular to the summer winds; Widths of naturally ventilated zone should be narrow (max 13.7 m [45 feet]) Each room should have two separate supply and exhaust openings. Locate exhaust high above inlet to maximize stack effect.
A snowplow clears snow from a road, as a winter storm hits the Midwest, in Kansas City, Missouri, U.S., January 5, 2025, in this still image obtained from video.
When the wind speed is too low, the air is blocked and unable to rise to form the cloud. At high wind speeds, the turbulent mixing to the lee of the Rock distributes the moisture through a comparatively deep layer and the cloud is, at best, very broken. Often it dissolves immediately west of the Rock in these turbulent windy conditions.
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