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The major use for skew-T log-P diagrams is the plotting of radiosonde soundings, which give a vertical profile of the temperature and dew point temperature throughout the troposphere and lower stratosphere.
One example concerns tornadogenesis, with tornadoes most likely if the dew point depression is 20 °F (11 °C) or less, and the likelihood of large, intense tornadoes increasing as dew point depression decreases. LCL height also factors in downburst and microburst activity.
The red line is temperature, the green line is the dew point, and the black line is the air parcel lifted. In meteorology , convective available potential energy (commonly abbreviated as CAPE ), [ 1 ] is a measure of the capacity of the atmosphere to support upward air movement that can lead to cloud formation and storms.
Following the implementation of the Fujita Scale in 1971, [5] hundreds of post-event damage surveys have been conducted on tornadoes and other weather events to determine the rating of the tornado. [6] In the 2020s, drones have been used to survey hard-to-access areas, most notably following the 2021 Western Kentucky tornado. [7]
The dew point of a given body of air is the temperature to which it must be cooled to become saturated with water vapor. This temperature depends on the pressure and water content of the air. When the air is cooled below the dew point, its moisture capacity is reduced and airborne water vapor will condense to form liquid water known as dew. [1]
Station model plots use an internationally accepted coding convention that has changed little since August 1, 1941. Elements in the plot show the key weather elements, including temperature, dew point, wind, cloud cover, air pressure, pressure tendency, and precipitation. [2] [3]
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Also dewpoint or dew-point. The temperature to which an air parcel must be cooled, at constant pressure and moisture content, in order for saturation to occur. Continued cooling below the dew point will cause condensation of water droplets if atmospheric conditions are favorable. Dew point is often used as a proxy by which to indicate the ...