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In gliding, wind gradient affects the takeoff and landing phases of flight of a glider. Wind gradient can have a noticeable effect on ground launches. If the wind gradient is significant or sudden, or both, and the pilot maintains the same pitch attitude, the indicated airspeed will increase, possibly exceeding the maximum ground launch tow speed.
At a given wind speed, e.g. 8 m/s, and so at a given rate of the turbulence production, a PBL in wintertime Arctic could be as shallow as 50 m, a nocturnal PBL in mid-latitudes could be typically 300 m in thickness, and a tropical PBL in the trade-wind zone could grow to its full theoretical depth of 2000 m.
Northern California usually refers to the state's northernmost 48 counties. The main population centers of Northern California include San Francisco Bay Area (which includes the cities of San Francisco, Oakland, and the largest city of the region, San Jose), and Sacramento (the state capital) as well as its metropolitan area.
A Santa Ana fog is a derivative phenomenon in which a ground fog settles in coastal Southern California at the end of a Santa Ana wind episode. When Santa Ana conditions prevail, with winds in the lower 2 to 3 kilometers (1.2 to 1.9 mi) of the atmosphere from the north through east, the air over the coastal basin is extremely dry, and this dry ...
Wind gradient can have a noticeable effect on ground launches, also known as winch launches or wire launches. If the wind gradient is significant or sudden, or both, and the pilot maintains the same pitch attitude, the indicated airspeed will increase, possibly exceeding the maximum ground launch tow speed. The pilot must adjust the airspeed to ...
Santa Ana winds will increase into early Tuesday, bringing the threat of damaging winds gusting from 60 to 80 miles per hour across the prone mountain regions surrounding Los Angeles.Spanning from ...
Flood watches, wind warnings in California as storm moves ashore. Scripps News Staff. February 19, 2024 at 8:22 AM. Flooding in California on Monday Feb. 19, 2024.
A Southern California coastal area long prone to landslides continues to inch toward the ocean at a rising speed posing danger to human life and infrastructure, a new NASA report shows.. The Palos ...