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ABPW10 PGTW 120600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND
/SOUTH PACIFIC OCEANS/120600Z-130600ZDEC2017//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY: NONE.
B. TROPICAL DISTURBANCE SUMMARY:
(1) THE AREA OF CONVECTION (INVEST 96W) PREVIOUSLY LOCATED
NEAR 7.7N 135.8E, IS NOW LOCATED NEAR 8.9N 131.8E, APPROXIMATELY 193
NM NORTHWEST OF PALAU. ANIMATED MULTI-SPECTRAL SATELLITE IMAGERY AND
A 120101Z 89GHZ AMSU MICROWAVE PASS SHOWS AN ELONGATED LOW LEVEL
CIRCULATION CENTER (LLCC) WITH THE MAJORITY OF THE CONVECTION
LOCATED IN THE WESTERN AND SOUTHERN PERIPHERIES. UPPER LEVEL
ANALYSIS SHOWS THE DISTURBANCE BEING LOCATED IN AN AREA OF LIGHT (5-
10 KNOTS) VERTICAL WIND SHEAR WITH DECENT DIVERGENCE ALOFT AND GOOD
POLEWARD OUTFLOW. WARM SEA SURFACE TEMPERATURES (28-30 CELSIUS) WILL
SUPPORT THE SYSTEM AS IT CONTINUES TO DEVELOP. GLOBAL MODELS ARE IN
GOOD AGREEMENT THAT THE SYSTEM WILL BE SLOW TO DEVELOP OVER THE NEXT
TO 24-48 HOURS, BUT WILL ACCELERATE IN DEVELOPMENT BY TAU 72 AS IT
TRACKS TO THE NORTHWEST. MAXIMUM SUSTAINED SURFACE WINDS ARE
ESTIMATED AT 12 TO 18 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 REMAINS MEDIUM.
(2) NO OTHER SUSPECT AREAS.
2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST):
A. TROPICAL CYCLONE SUMMARY: NONE.
B. TROPICAL DISTURBANCE SUMMARY: NONE.//