90L has had a very well-defined surface/low level circulation for a few days now. Unfortunately, QuikSCAT missed it this morning, but, there is enough data coming in this afternoon to prompt NHC to give it some rather high marks in this evening's TWO

530 PM EDT THU OCT 25 2007

FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO...

SHOWER ACTIVITY HAS INCREASED AND SURFACE PRESSURES ARE FALLING IN
ASSOCIATION WITH THE LOW PRESSURE SYSTEM CENTERED JUST NORTHEAST OF
THE VIRGIN ISLANDS. THIS SYSTEM CONTINUES TO SHOW SIGNS OF
ORGANIZATION...AND ALTHOUGH UPPER-LEVEL WINDS ARE GENERALLY
UNFAVORABLE FOR SIGNIFICANT DEVELOPMENT...THIS SYSTEM HAS THE
POTENTIAL TO BECOME A TROPICAL DEPRESSION. A WEST-SOUTHWESTWARD
MOTION INTO THE CARIBBEAN SEA IS EXPECTED OVER THE NEXT COUPLE
DAYS...WHICH WOULD BRING SHOWERS AND GUSTY WINDS ACROSS THE U.S.
VIRGIN ISLANDS...PUERTO RICO...AND HISPANIOLA.