• Formation Alert I97E - E Pacific

    From Mike Powell@1:2320/107 to All on Sun Sep 13 15:50:04 2026
    WTPN21 PHNC 130100
    MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
    SUBJ/TROPICAL CYCLONE FORMATION ALERT (INVEST 97E) REISSUED//
    REF/A/JOINT TYPHOON WRNCEN PEARL HARBOR HI/120100Z SEP 26//
    AMPN/REF A IS TROPICAL CYCLONE FORMATION ALERT (WTPN21 PGTW 120100)//

    RMKS/
    1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
    120 NM EITHER SIDE OF A LINE FROM 14.3N 114.2W TO 16.9N 116.9W
    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 28 TO 33 KNOTS. METSAT
    IMAGERY AT 120600Z INDICATES THAT A CIRCULATION CENTER IS LOCATED
    NEAR 14.3N 114.2W. THE SYSTEM IS MOVING NORTH-NORTHWESTWARD AT 09
    KNOTS.

    2. REMARKS:AN AREA OF CONVECTION (INVEST 97E) IS LOCATED NEAR 14.3N
    114.2W, APPROXIMATELY 250NM SOUTH OF CLARION, MEXICO. ANIMATED
    MULTISPECTRAL SATELLITE IMAGERY DEPICTS A COMPACT SYSTEM WITH
    PERSISTENT CONVECTION AND A QUICKLY CONSOLIDATING STRUCTURE, WITH
    LARGE SWATHS OF FORMATIVE BANDING PRIMARILY NEAR THE NORTHEASTERN
    QUADRANT. ENVIRONMENTAL CONDITIONS IN THE AREA ARE CURRENTLY FAVORABLE
    WITH LOW (10-15KT) VERTICAL WIND SHEAR, GOOD EQUATORWARD OUTFLOW
    AND VERY WARM (28-29C) SEA SURFACE TEMPERATURES. GLOBAL MODELS
    ARE CURRENTLY IN AGREEMENT THAT THE DISTURBANCE 97E WILL TAKE
    A NORTHWESTWARD TRACK AND STEADILY CONSOLIDATE OVER THE NEXT
    24-48 HOURS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 28 TO 33 KNOTS.MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 998 MB. THE
    POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE
    WITHIN THE NEXT 24 HOURS IS HIGH.
    THIS SUPERSEDES REF A (WTPN21 PGTW 120100).

    3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY
    140100Z.
    //
    NNNN


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