Analysing the swarm ascents during the passage of the Typhoon KITTY, it is clearly shown that in a typhoon circulation of mature stage of development, there exist the downward displacements and warm air in the field of tropopause funnel in the cyclonic core; and the upward displacements and cold air in the field of annular tropopause ridge in the storm area.
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H. Arakawa (1951) studied this question.