Intensifying with UL CCW turning
Posted by JAC on 6/3/2009, 7:22 am

Also see some 700mb vorticity.

Shear ahead of it is beginning to drop.

Could be just enough to fire some MCS convection  above 10N.

Anti-cyclone still overhead.

http://www.ssd.noaa.gov/goes/east/tatl/loop-wv.html




TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
805 AM EDT WED JUN 03 2009

A TROPICAL WAVE IS ALONG 36W/37W S OF 14N MOVING W ABOUT 10 KT.
THE 03/06 UTC MAP SHOWED AN INCREASED IN LATITUDINAL EXTENT
BASED ON THE ENVELOPE OF CYCLONIC TURNING IN THE STRATOCUMULUS
CLOUDS AND THE AMPLIFICATION NOTED IN THE MICROWAVE DERIVED
PRECIPITABLE WATER PRODUCT. GFS INITIALIZES THIS WAVE REASONABLY
WELL SHOWING DISTINCT TROUGHING AT 925 MB. SCATTERED MODERATE
CONVECTION IS MAINLY CONFINED TO WITHIN THE INTERSECTION OF THE
ITCZ FROM 3N-6N BETWEEN 34W-38W.







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An interesting Tropical Wave in the mid-Atlantic - JAC, 6/2/2009, 7:31 am
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