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An anabatic wind, from the Greek anabatos, verbal of anabainein meaning "moving upward", is a warm wind which blows up a steep slope or mountain side, driven by heating of the slope through insolation. [1] [2] It is also known as upslope flow. These winds typically occur during the daytime in calm sunny weather.
Diurnal wind system variation in the Appalachian mountain range. Mountain and valley breezes form through a process similar to sea and land breezes. During the day, the sun heats up mountain air rapidly while the valley remains relatively cooler. Convection causes it to rise, causing a valley breeze. At night, the process is reversed.
A local wind that carries cold, high-density air from a higher elevation downslope under the force of gravity as a result of the radiative cooling of the upland ground surface at night, usually at speeds on the order of 10 kn (19 km/h) or less but occasionally at much higher speeds. Contrast anabatic wind. Kelvin temperature scale
This chart lets you estimate the wind chill without having to do the math yourself. Find the value closest to the temperature at the top of the chart and the wind speed to the left.
A strong Santa Ana wind event is setting up across Southern California. A rare Particularly Dangerous Situation (PDS) alert has been issued for Los Angeles and Ventura counties.
Even if you don’t go outside much during the day, find a view of green space and then go for a walk when you can. Third, knowing what kinds of things not to turn to is just as important as ...
To form a storm, this layer must be very large and the temperature at the top of the cloud must be below −20C. Mountains can help trigger atmospheric convection in three ways: [2] direct lifting at the level of free convection in unstable air, lifting with a synoptic wind that arrives w/ a component perpendicular to the slopes. The air is ...
Cyclones. Extratropical cyclone. European windstorms; Australian East Coast Low "Medicane", Mediterranean tropical-like cyclones Polar cyclone; Tropical cyclone, also called a hurricane, typhoon, or just "cyclone"