WTPN21 PGTW 120730
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE FORMATION ALERT (INVEST 92W)//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
070 NM EITHER SIDE OF A LINE FROM 30.8N 123.2E TO 31.8N 126.3E
WITHIN THE NEXT 12 TO 24 HOURS. AVAILABLE DATA DOES NOT JUSTIFY
ISSUANCE OF NUMBERED TROPICAL CYCLONE WARNINGS AT THIS TIME.
WINDS IN THE AREA ARE ESTIMATED TO BE 28 TO 33 KNOTS. METSAT
IMAGERY AT 120730Z INDICATES THAT A CIRCULATION CENTER IS LOCATED
NEAR 30.9N 123.4E. THE SYSTEM IS MOVING NORTH-NORTHWESTWARD AT 02
KNOTS.
2. REMARKS: THE AREA OF CONVECTION (INVEST 92W), STILL LOCATED NEAR
30.9N 123.4E, IS APPROXIMATELY 349 NM WEST-SOUTHWEST OF SASEBO, JAPAN.
THE SYSTEM IS CURRENTLY CLASSIFIED AS A SUBTROPICAL DEPRESSION,
GENERALLY CHARACTERIZED AS HAVING BOTH TROPICAL AND MIDLATITUDE CYCLONE
FEATURES. ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS AN OBSCURED,
ELONGATED LOW LEVEL CIRCULATION WITH DEEP PERSISTENT CONVECTIO
https://i.imgur.com/uJnAyjV.jpeg
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