Last night's diurnal drop off of in convection was far less than the night before when it virtually vanished. The strongest
convection continues well to be over the Cayman Island and offshore of Cuba, extending southward for about 200 miles. The
most intense convection coincides, of course, with the major divergent flow aloft, associated with the large upper level
anticyclone centered between the Cayman Islands and Cuba. As I mentioned yesterday, unless the system managed to become
a depression soon, and a storm by Friday afternoon, - I don't think it ever would. I pretty much remained convinced of this -- with
the window of opportunity ending in about 24 hours.
That said: latest imagery this evening show a marked INCREASE in convection much closer to the low level
center - in stark contrast to last the prior two nights. Pressures have fallen at a the few locations data is
available from, and the buoy about 160NM NW of the system has shown a some gusts near 20mph now, and the 1 ft seas
are now 2-3ft all in the last 3 hours.
Ultimately I expect this system to move westward across the Yucatan and eventually out into the Gulf of Mexico --
by Sunday. The GFS is now picking up on the surface low movement. Wind gusts to 45mph in heavy squalls should be the worst of it from Cozumel/Cancun southward to north of Belize where showers & thunderstorms could produce wind gusts to 30mph -- with the showers and
thunderstorms reaching the coast by Friday night.