WTPN21 PGTW 061800 REF/A/JOINT TYPHOON WRNCEN PEARL HARBOR HI/051900Z DEC 25// AMPN/REF IS TROPICAL CYCLONE FORMATION ALERT (WTPN21 PGTW 051900)// RMKS/ 1. REMARKS: MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 0 TO 0 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1021 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS HIGH. THIS CANCELS REF A. // 9325113006 113N1467E 15 9325113012 118N1450E 15 9325113018 122N1429E 15 9325120100 124N1407E 15 9325120106 123N1389E 15 9325120112 126N1380E 15 9325120118 132N1368E 15 9325120200 136N1359E 15 9325120206 137N1356E 15 9325120212 138N1354E 15 9325120218 140N1346E 15 9325120300 141N1338E 20 9325120306 140N1331E 20 9325120312 136N1323E 20 9325120318 129N1317E 20 9325120400 125N1309E 20 9325120406 121N1301E 20 9325120412 116N1288E 20 9325120418 115N1283E 20 9325120500 115N1279E 20 9325120506 115N1273E 20 9325120512 116N1264E 20 9325120518 116N1262E 20 9325120600 117N1261E 20 9325120606 118N1260E 20 9325120612 120N1258E 20 9325120618 123N1252E 20 NNNN