WTPN21 PGTW 131330
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE FORMATION ALERT (INVEST 98W) CANCELLATION//
REF/A/JOINT TYPHOON WRNCEN PEARL HARBOR HI/121330ZSEP26//
AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT (WTPN21 PGTW 121330)//
RMKS/
1. REMARKS: THIS CANCELS REF A (WTPN21 PGTW 121330). THE AREA OF 
CONVECTION (INVEST 98W) PREVIOUSLY LOCATED NEAR 17.0N 109.7E IS NOW 
LOCATED NEAR 17.5N 106.4E, APPROXIMATELY 136 NM NORTHWEST OF DA NANG, 
VIETNAM. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY (EIR) DEPICTS A 
RAGGED LOW-LEVEL CIRCULATION (LLC) THAT IS NOW OVER LAND. ENVIRONMENTAL 
ANALYSIS REVEALS UNFAVORABLE CONDITIONS FOR DEVELOPMENT, WITH THE SYSTEM 
NOW INTERACTING WITH RUGGED TERRAIN. GLOBAL DETERMINISTIC MODELS DO NOT 
INDICATE 98W EMERGING BACK OVER WATER OR DEVELOPING. ENSEMBLE MODELS 
ALSO AGREE ON 98W CONTINUING TO TRACK GENERALLY WEST-NORTHWESTWARD OVER 
LAND OVER THE NEXT 24 HOURS. MAXIMUM SUSTAINED SURFACE WINDS ARE 
ESTIMATED AT 18 TO 23 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO 
BE NEAR 1006 MB. THE AREA OF CONVECTION (INVEST 98W) HAS DISSIPATED AND 
IS NO LONGER SUSPECT FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL 
CYCLONE IN THE NEXT 24 HOURS.//
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