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JTWC Medium
THE AREA OF CONVECTION (INVEST 96W) PREVIOUSLY LOCATED
NEAR 17.0N 166.0E IS NOW LOCATED NEAR 17.1N 162.3E, APPROXIMATELY
968 NM EAST OF TINIAN, CNMI. ANIMATED ENHANCED INFRARED SATELLITE
IMAGERY AND A 081803Z SSMIS 91GHZ MICROWAVE IMAGE REVEAL WEAK
FORMATIVE BANDING IN THE SOUTHERN SEMICIRCLE WRAPPING INTO THE
SOUTHEAST QUADRANT OF A POORLY DEFINED LOW LEVEL CIRCULATION CENTER
(LLCC). A 080959Z ASCAT-A IMAGE DEPICTS AN ASYMMETRIC CIRCULATION
DOMINATED BY 5-10KT WINDS WITH SOME 15-20KT WINDS IN THE NORTHEAST
QUADRANT. THE SYSTEM IS LOCATED UNDER THE TUTT WITH WEAK DIFFLUENCE
ALOFT AND MODERATE (15-20KTS) VERTICAL WIND SHEAR. ALTHOUGH GLOBAL
MODELS ARE IN GOOD AGREEMENT THAT 96W WILL CONTINUE TRACKING
WESTWARD WITH LITTLE TO NO INTENSIFICATION, THE SYSTEM IS SMALL AND
MAY NOT BE RESOLVED AT THIS TIME. MAXIMUM SUSTAINED SURFACE WINDS
ARE ESTIMATED AT 10 TO 15 KNOTS. MINIMUM SEA LEVEL PRESSURE IS
ESTIMATED TO BE NEAR 1006 MB. BASED ON THE SLIGHT IMPROVEMENT IN
CONVECTIVE STRUCTURE, THE POTENTIAL FOR THE DEVELOPMENT OF A
SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO
MEDIUM. |
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