Subject: Pacific-NW: Rmks/ [210900]

From: SIU Weather Processor <[email-masked]>
Date: Mon, 21 Jul 1997 03:40:47 -0500

905
WTPN22 PGTW 210900
SUBJ/TROPICAL CYCLONE FORMATION ALERT 210855Z JUL 97//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS
POSSIBLE WITHIN 140 NM EITHER SIDE OF A LINE FROM 23.7N2
149.4E8 TO 27.3N2 143.7E5 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 IMAGERY AT
210530Z INDICATES THAT A CIRCULATION CENTER IS LOCATED
NEAR 24.2N8 148.6E9. THE SYSTEM IS MOVING WEST-
NORTHWESTWARD AT 02 KNOTS.
2. REMARKS: A COMPACT CIRCULATION HAS BUILT TO THE
SURFACE FROM AN UPPER LEVEL LOW.  CONVECTIVE ORGANIZATION
HAS IMPROVED OVER THE PAST 12 HOURS.
3. THIS ALERT VALID UNTIL 220900Z3.//

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