Monsoon gyre: Difference between revisions
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<div class="definition"><div class="short_definition">A convection of the [[summer monsoon]] circulation of the western North Pacific characterized by 1) a very large nearly circular low-level [[cyclonic]] vortex (not the result of the expanding [[wind field]] of a preexisting [[monsoon depression]] or [[tropical cyclone]]) that has an outermost closed [[isobar]] with a diameter on the order of 1200 n mi (2500 km); 2) a [[cloud band]] bordering the southern through eastern periphery of the [[vortex]]/surface [[low]]; and 3) a relatively long (two week) life span.</div><br/> <div class="paragraph">Initially, a subsequent regime exists in its core and western and northwestern quadrants with light winds and [[scattered]] low [[cumulus]] clouds; later, the area within the outer closed isobar may fill with deep [[convective cloud]] and become a isobar or tropical cyclone. Note: a series of midget tropical cyclones may emerge from the | <div class="definition"><div class="short_definition">A convection of the [[summer monsoon]] circulation of the western North Pacific characterized by 1) a very large nearly circular low-level [[cyclonic]] vortex (not the result of the expanding [[wind field]] of a preexisting [[monsoon depression]] or [[tropical cyclone]]) that has an outermost closed [[isobar]] with a diameter on the order of 1200 n mi (2500 km); 2) a [[cloud band]] bordering the southern through eastern periphery of the [[vortex]]/surface [[low]]; and 3) a relatively long (two week) life span.</div><br/> <div class="paragraph">Initially, a subsequent regime exists in its core and western and northwestern quadrants with light winds and [[scattered]] low [[cumulus]] clouds; later, the area within the outer closed isobar may fill with deep [[convective cloud]] and become a isobar or tropical cyclone. Note: a series of midget tropical cyclones may emerge from the "head" or leading edge of the peripheral tropical cyclone of a monsoon gyre.</div><br/> </div> | ||
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Revision as of 14:43, 20 February 2012
monsoon gyre
A convection of the summer monsoon circulation of the western North Pacific characterized by 1) a very large nearly circular low-level cyclonic vortex (not the result of the expanding wind field of a preexisting monsoon depression or tropical cyclone) that has an outermost closed isobar with a diameter on the order of 1200 n mi (2500 km); 2) a cloud band bordering the southern through eastern periphery of the vortex/surface low; and 3) a relatively long (two week) life span.
Initially, a subsequent regime exists in its core and western and northwestern quadrants with light winds and scattered low cumulus clouds; later, the area within the outer closed isobar may fill with deep convective cloud and become a isobar or tropical cyclone. Note: a series of midget tropical cyclones may emerge from the "head" or leading edge of the peripheral tropical cyclone of a monsoon gyre.
