mesocyclonen.

Brit.

/ˌmɛsə(ʊ)ˈsʌɪkləʊn/, U.S.

/ˌmɛzoʊˈsaɪˌkloʊn/; see also meso- comb. form.

Origin: Formed within English, by compounding. Etymons: meso- comb. form, cyclone n.

Etymology: < meso- comb. form + cyclone n.

Meteorology.

A rotating column of rising air associated with a small area of low pressure, which may develop into a tornado.

ΘΚΠ

the world > the earth > weather and the atmosphere > movements and pressure conditions > [noun] > atmospheric pressure > cyclone or anticyclone

system1867

cyclone1875

anticyclone1877

mesocyclone1963

1963 T. Fujita in Meteorol. Monogr. Sept. 85/2 A mesolow which is found to accompany a definite circulation pattern is called a ‘mesocyclone’.

1963 T. Fujita in Meteorol. Monogr. Sept. 89/2 The existence of a mesocyclone is first seen by radar as a pendant echo which soon curls around the circulation center.

1984 Sci. Amer. Apr. 60/3 First the entire thunderstorm updraft begins to rotate; the spinning column of rising air, 10 to 20 kilometers in diameter, is called a mesocyclone. (If it goes on to generate a tornado, which the majority of mesocyclones do not, it is called a tornado cyclone.)

1997 E. Hand Glimmering i. vi. 124 In the wake of the thunderstorms, the mesocyclones spawned scud clouds and funnel clouds and tornadoes.

This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022).

单词	mesocyclone
释义	mesocyclonen. Brit. /ˌmɛsə(ʊ)ˈsʌɪkləʊn/, U.S. /ˌmɛzoʊˈsaɪˌkloʊn/; see also meso- comb. form. Origin: Formed within English, by compounding. Etymons: meso- comb. form, cyclone n. Etymology: < meso- comb. form + cyclone n. Meteorology. A rotating column of rising air associated with a small area of low pressure, which may develop into a tornado. ΘΚΠ the world > the earth > weather and the atmosphere > movements and pressure conditions > [noun] > atmospheric pressure > cyclone or anticyclone system1867 cyclone1875 anticyclone1877 mesocyclone1963 1963 T. Fujita in Meteorol. Monogr. Sept. 85/2 A mesolow which is found to accompany a definite circulation pattern is called a ‘mesocyclone’. 1963 T. Fujita in Meteorol. Monogr. Sept. 89/2 The existence of a mesocyclone is first seen by radar as a pendant echo which soon curls around the circulation center. 1984 Sci. Amer. Apr. 60/3 First the entire thunderstorm updraft begins to rotate; the spinning column of rising air, 10 to 20 kilometers in diameter, is called a mesocyclone. (If it goes on to generate a tornado, which the majority of mesocyclones do not, it is called a tornado cyclone.) 1997 E. Hand Glimmering i. vi. 124 In the wake of the thunderstorms, the mesocyclones spawned scud clouds and funnel clouds and tornadoes. This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022). < n.1963
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