#16 Postby Coredesat » Sat Mar 11, 2006 5:10 pm
(1) AN AREA OF CONVECTION HAS PERSISTED NEAR 10.6N 115.2E,
APPROXIMATELY 365 NM EAST-SOUTHEAST OF NHA TRANG, VIETNAM. RECENT
ANIMATED ENHANCED INFRARED IMAGERY REVEALS CONVECTION IS FLARING AND
STARTING TO BECOME BETTER CONSOLIDATED AROUND A WEAKLY-DEFINED LOW
LEVEL CIRCULATION CENTER (LLCC). ENHANCED WATER VAPOR IMAGERY SHOWS A
DECREASE IN RADIAL OUTFLOW, AND A 111801Z AMSR-E PASS DEPICTS A LACK
OF SIGNIFICANT CLOUD LINES CONVERGING TO THE LLCC. 111800Z SURFACE
OBSERVATIONS REPORT LIGHT WINDS BOTH AHEAD AND BEHIND THE LLCC. UPPER
LEVEL ANALYSIS INDICATES THE LLCC IS UNDERNEATH THE SUBTROPICAL RIDGE
AXIS IN AN ENVIRONMENT OF LOW VERTICAL WIND SHEAR AND SUSTAINED 850
MB VORTICITY. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 10 TO
15 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1006 MB.
GIVEN THE LACK OF PERSISTENT CONVECTION AND LIGHT SURFACE WINDS, THE
POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE
WITHIN THE NEXT 24 HOURS IS POOR.
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