WTPN21 PGTW 181700
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
170 NM EITHER SIDE OF A LINE FROM 4.7N 128.6E TO 7.4N 120.6E
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 15 TO 20 KNOTS. METSAT IM-
AGERY AND SYNOPTIC DATA AT 181630Z INDICATE THAT A CIRCULATION
CENTER IS LOCATED NEAR 4.8N 127.9E.  THE SYSTEM IS MOVING WEST-
NORTHWESTWARD AT 14 KNOTS.
2. REMARKS:
3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY 191700Z.
//
9813021712  39N1332E  15
9813021718  41N1319E  15
9813021800  43N1307E  15
9813021806  45N1293E  15
9813021812  48N1279E  20