WTPN21 PGTW 190530 COR
MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC//
SUBJ/TROPICAL CYCLONE FORMATION ALERT 190521Z AUG 05//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
145 NM EITHER SIDE OF A LINE FROM 20.2N 143.9E TO 22.1N 140.0E
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 20 TO 25 KNOTS. METSAT IM
AGERY AT 190230Z INDICATES THAT A CIRCULATION CENTER IS LOCATED
NEAR 20.6N 142.9E. THE SYSTEM IS MOVING WESTWARD AT 02 KNOTS.
2. REMARKS: THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 22.6N
143.5E, IS NOW LOCATED NEAR 20.6N 142.9E, APPROXIMATELY 270 NM
SOUTH-SOUTHEAST OF IWO JIMA. RECENT MULTISPECTRAL SATELLITE
IMAGERY DEPICTS STRONGLY IMPROVED DEEP CONVECTION OVER AN
IMPROVING LOW LEVEL CIRCULATION CENTER. THE DISTURBANCE HAS BEEN
QUASISTATIONARY FOR APPROXIMATELY THE PAST 24 HOURS. WEAK RIDGING
TO THE NORTHEAST WILL PROVIDE WEAK WESTWARD STEERING. CURRENT UPPER
AIR ANALYSIS INDICATES LOW TO MODERATE VERTICAL WIND SHEAR AND
FAVORABLE DIVERGENCE ALOFT. MAXIMUM SUSTAINED SURFACE WINDS ARE
ESTIMATED AT 20 TO 25 KNOTS. MINIMUM SEA LEVEL PRESSURE IS
ESTIMATED TO BE NEAR 1006 MB. THE POTENTIAL FOR THE DEVELOPMENT
OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS
UPGRADED TO GOOD.
19/0825 UTC 21.0N 142.8E T2.5/2.5 92W -- West Pacific Ocean
Wow by those t numbers we got a tropical storm?
Developing cyclone over the Western Pacific
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