(1) AN AREA OF CONVECTION (INVEST 92W) HAS PERSISTED NEAR 20.6N
139.5E, APPROXIMATELY 274 NM SOUTH-SOUTHWEST OF IWO-TO, JAPAN.
ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS A WEAKLY-DEFINED PARTLY
EXPOSED LOW LEVEL CIRCULATION (LLC) WITH DEEP FLARING CONVECTION TO THE
EAST AND FLARING CONVECTION TO THE WEST. UPPER LEVEL ANALYSIS INDICATES A
FAVORABLE ENVIRONMENT WITH LOW (5 TO 10 KNOT) VWS AND MODERATE DUAL
CHANNEL OUTFLOW BOTH NORTH-EASTERLY AND SOUTH-WESTERLY. GLOBAL MODELS ARE
IN GOOD AGREEMENT THAT THE SYSTEM WILL GRADUALLY INTENSIFY AND TRACK
NORTH BETWEEN TWO SUBTROPICAL RIDGES, ONE TO THE NORTH EAST AND THE OTHER
TO THE NORTH WEST. THIS COMPETING STEERING ENVIRONMENT, A DROP IN SEA
SURFACE TEMPERATURES AND AN INCREASE IN VWS WILL LIKELY LIMIT DEVELOPMENT
IN THE EXTENDED FORECAST. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED
AT 10 TO 15 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR
1007 MB AND SEA SURFACE TEMPERATURES ARE 30-31C. THE POTENTIAL FOR THE
DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS
LOW.
TROPICAL DEPRESSION 1006 HPA AT 24N 139E NORTH 15 KT.
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