Re: 27L Flaring in the East Carib. WHY?????
Posted by Jake on 8/17/2010, 8:58 am
JAC,

As always, great images of the tropical environment across the basin.

This is straight forward dynamics, a tropical wave 27L is interacting with an upper level trough in the central/western carib. Nothing more nothing less. As the wave axis continues further west it will get sheared off, as the trough is deep layer an well anchored. Lots of shooting  tops as small scale ascent increases near the wave axis. The cause of sudden increases in convection, is deep layer moisture in the trades decreasing and lifting as it interacts with a turning in the mid-upper level wind field and forces upward. The steep lapse rate near the upper system and CAPE in the tropics is normally high or 3000 j/kg plus.
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27L Flaring in the East Carib, but can it hold on in 60 hrs - JAC, 8/17/2010, 7:43 am
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