** WTSR20 WSSS 181800 *** NO STORM WARNING= ** WTPN21 PGTW 190030 *** MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE FORMATION ALERT CANCELLATION/190021ZAPR2005// REF/A/MSG/NAVPACMETOCCEN PEARL HARBOR HI/180021ZAPR2005// AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.// RMKS/ 1. REMARKS: THIS CANCELS REF A (WTPN21 PGTW 180030). THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 7.5N2 139.4E7, IS NOW LOCATED NEAR 7.3N0 138.8E0, APPROXIMATELY 140 NM SOUTH-SOUTHEAST OF YAP. RECENT ANIMATED SATELLITE IMAGERY REVEALS A FULLY EXPOSED LOW LEVEL CIRCULATION CENTER WITH WEAKENING DEEP CONVECTION. UPPER LEVEL ANALYSIS INDICATES LOW TO MODERATE WESTERLY VERTICAL WIND SHEAR AND WEAK BUT FAVORABLE OUTFLOW. MAXIMUM SUSTAINED WINDS ARE ESTIMATED AT 10 TO 25 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1008 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS DOWNGRADED TO POOR.//