ABIO10 PGTW 190600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN 
REISSUED/190600Z-191800ZMAR2024//
RMKS/
1. NORTH INDIAN OCEAN AREA (MALAY PENINSULA WEST TO COAST OF AFRICA):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY: NONE.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.
2. SOUTH INDIAN OCEAN AREA (135E WEST TO COAST OF AFRICA):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) AN AREA OF CONVECTION (REMNANTS 18S) HAS PERSISTED NEAR 
18.1S 111.8E, APPROXIMATELY 275 NM NORTH-NORTHWEST OF LEARMONTH, 
AUSTRALIA. ANIMATED MULTISPECTRAL SATELLITE IMAGERY REVEALS A 
PARTIALLY-EXPOSED LOW-LEVEL CIRCULATION CENTER (LLCC), WITH A WELL-
ORGANIZED UPPER-LEVEL CIRCULATION CENTER POSITIONED SLIGHTLY TO THE 
SOUTH. A 190156Z MHS 89 GHZ MICROWAVE IMAGE INDICATES CURVED DEEP 
CONVECTIVE BANDING OVER THE SOUTHERN AND WESTERN QUADRANTS WITH NO 
DEEP CONVECTION OVER THE EASTERN QUADRANT DUE TO DRY AIR ENTRAINMENT. 
A PARTIAL 190108Z ASCAT-B IMAGE INDICATES 25-30 KNOT WINDS OVER THE 
SOUTHERN SEMICIRCLE. ENVIRONMENTAL CONDITIONS ARE MARGINALLY-FAVORABLE 
DUE PRIMARILY TO EXTENSIVE DRY AIR ENTRAINMENT IN THE MID- TO UPPER-
LEVELS, OFFSET BY LOW VWS, ROBUST POLEWARD VENTING, AND WARM SST (27-
28 C). GLOBAL MODELS INDICATE THE SYSTEM WILL REINTENSIFY AS IT TRACKS 
WESTWARD OVER THE NEXT TWO DAYS, BUT VARY SIGNIFICANTLY ON THE TIMING 
OF THE REDEVELOPMENT OF A TROPICAL STORM STRENGTH SYSTEM. GFS 
INDICATES REDEVELOPMENT WITHIN THE NEXT TWO DAYS WHILE ECMWF INDICATES 
A LESS AGGRESSIVE 2-3 DAY REDEVELOPMENT TIMELINE. MAXIMUM SUSTAINED 
SURFACE WINDS ARE ESTIMATED AT 25 TO 30 KNOTS. MINIMUM SEA LEVEL 
PRESSURE IS ESTIMATED TO BE NEAR 998 MB. THE POTENTIAL FOR THE 
DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS 
IS MEDIUM.
      (2) NO OTHER SUSPECT AREAS.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.
3. JUSTIFICATION FOR REISSUE: REMOVED TROPICAL CYCLONE (TC) 18S FINAL 
WARNING INFORMATION AND ADDED REMNANTS OF TC 18S AS A MEDIUM.//
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