2. REMARKS: THE AREA OF CONVECTION (INVEST 91W) PREVIOUSLY LOCATED NEAR
8.7N 141.6E IS NOW LOCATED NEAR 9.3N 141.7E, APPROXIMATELY 211 NM EAST
OF YAP. ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS BROAD TURNING
AND A WEAK LOW-LEVEL CIRCULATION (LLC) WITH IMPROVED CONVECTION AND
FORMATIVE BANDING WRAPPING INTO THE LLC ALONG THE SOUTHERN PERIPHERY.
THE FORMATIVE BANDING IS FURTHER EVIDENT IN A 252135Z SSMIS 91GHZ
MICROWAVE IMAGE. LOCAL OBSERVATIONS FROM YAP REVEAL A DEEPENING PRESSURE
CENTER WITH A 24 HOUR PRESSURE FALL OF 0.6 MB. INVEST 91W REMAINS IN A
MARGINAL ENVIRONMENT FOR DEVELOPMENT DUE TO NORTHERLY OUTFLOW FROM TY
05W PLACING THE SYSTEM UNDER MODERATE TO HIGH (20-25KT) VERTICAL WIND
SHEAR. SEA SURFACE TEMPERATURES REMAIN CONDUCIVE AT A WARM 29-30C.
GLOBAL MODELS ARE IN STRONG AGREEMENT THAT INVEST 91W WILL STEADILY
CONSOLIDATE AS IT TRACKS NORTH-NORTHWESTWARD OVER THE NEXT 24-48 HOURS.
MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 18 TO 23 KNOTS. MINIMUM
SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1005 MB. THE POTENTIAL FOR
THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24
HOURS IS HIGH.