ABPW10 PGTW 070600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND
/SOUTH PACIFIC OCEANS/070600Z-080600ZMAR2022//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY: NONE.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.
2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY: NONE.
C. SUBTROPICAL SYSTEM SUMMARY: 
     (1) THE AREA OF CONVECTION (INVEST 96P) PREVIOUSLY LOCATED NEAR 
26.2S 167.7W IS NOW LOCATED NEAR 28.1S 164.9W, APPROXIMATELY 702 NM 
SOUTHEAST OF TONGA. THE SYSTEM IS CURRENTLY CLASSIFIED AS A 
SUBTROPICAL STORM, GENERALLY CHARACTERIZED AS HAVING BOTH TROPICAL 
AND MID-LATITUDE CYCLONE FEATURES. ANIMATED MULTISPECTRAL SATELLITE 
IMAGERY (MSI) AND A 070039Z AMSR2 89GHZ IMAGE DEPICT A FULLY EXPOSED 
AND ELONGATED LOW LEVEL CIRCULATION CENTER (LLCC) WITH SPARSE 
CONVECTION ON THE EASTERN PERIPHERY OF A DRY SLOT AND A PROMINENT 
DEFORMATION ZONE ON THE POLEWARD EDGE. ENVIRONMENTAL ANALYSIS 
INDICATES THE CONDITIONS FOR TROPICAL CYCLONE DEVELOPMENT ARE 
UNFAVORABLE WITH COOL SEA SURFACE TEMPERATURES (25-26 C), DRY AIR 
DOMINATING THE LOWER LEVELS AND HIGH (30-40 KTS) VERTICAL WIND SHEAR 
AS THE DISTURBANCE IS MOSTLY EMBEDDED IN THE MID-LATITUDE JET 
STREAM. GLOBAL MODELS INDICATE THE SYSTEM WILL MEANDER SOUTH-
SOUTHWEST AND REMAIN QUASI-STATIONARY AND POLEWARD OF THE JET FOR 72-
96 HOURS UNTIL IT COMES INTO PHASE WITH A 500MB TROUGH. FOR HAZARDS 
AND WARNINGS, REFERENCE THE FLEET WEATHER CENTER SAN DIEGO HIGH 
WINDS AND SEAS PRODUCT OR REFER TO LOCAL WMO DESIGNATED FORECAST 
AUTHORITY. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 35 TO 40 
KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 996 MB. 
THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE 
WITHIN THE NEXT 24 HOURS IS LOW.
     (2) NO OTHER SUSPECT AREAS.//
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