Anticyclogenesis

Anticyclogenesis is the development or strengthening of an anticyclonic circulation in the atmosphere. It is the opposite of anticyclolysis (the dissolution or weakening of an anticyclone) and has a cyclonic equivalent known as cyclogenesis.[1] Anticyclones are alternatively referred to as high pressure systems.

Process

High-pressure systems form due to downward motion through the troposphere, the atmospheric layer where weather occurs. Preferred areas within a synoptic flow pattern in higher levels of the troposphere are beneath the western side of troughs. On weather maps, these areas show converging winds (isotachs), also known as confluence, or converging height lines near or above the level of non-divergence, which is near the 500 hPa pressure surface about midway up through the troposphere.[2][3] On weather maps, high-pressure centers are associated with the letter H[4] placed within the isobar with the highest pressure value. On constant pressure upper level charts, it is located within the highest height line contour.[5]

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gollark: Those can obviously be spoofed.
gollark: What I did when I wanted secure GPS was to run an early AGPS-type thing over SPUDNET, which guarantees no spoofing via out of game websocket stuff.
gollark: Other way round I believe?
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See also

References
  1. "American Meteorological Society Glossary - Anticyclogenesis". Allen Press Inc. June 2000. Archived from the original on 26 October 2006. Retrieved 2006-11-03.
  2. Glossary of Meteorology (2009). Level of nondivergence. American Meteorological Society. Retrieved on 2009-02-17.
  3. Konstantin Matchev (2009). Middle-Latitude Cyclones - II. Archived 2009-02-25 at the Wayback Machine University of Florida. Retrieved on 2009-02-16.
  4. Keith C. Heidorn (2005). Weather's Highs and Lows: Part 1 The High. The Weather Doctor. Retrieved on 2009-02-16.
  5. Glossary of Meteorology (2009). High. American Meteorological Society. Retrieved on 2009-02-16.
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