WTPN31 PHNC 281600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 18E (SONIA) WARNING NR 016//
RMKS/
1. TROPICAL STORM 18E (SONIA) WARNING NR 016    
   01 ACTIVE TROPICAL CYCLONE IN EASTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   281200Z --- NEAR 15.0N 123.1W
     MOVEMENT PAST SIX HOURS - 295 DEGREES AT 07 KTS
     POSITION ACCURATE TO WITHIN 035 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
                            020 NM SOUTHEAST QUADRANT
                            030 NM SOUTHWEST QUADRANT
                            050 NM NORTHWEST QUADRANT
   REPEAT POSIT: 15.0N 123.1W
    ---
   FORECASTS:
   12 HRS, VALID AT:
   290000Z --- 15.2N 124.7W
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 24 HR POSIT: 275 DEG/ 09 KTS
    ---
   24 HRS, VALID AT:
   291200Z --- 15.3N 126.5W
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   POST-TROPICAL
   VECTOR TO 36 HR POSIT: 265 DEG/ 10 KTS
    ---
   36 HRS, VALID AT:
   300000Z --- 15.1N 128.6W
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   POST-TROPICAL
    ---
REMARKS:
281600Z POSITION NEAR 15.1N 123.6W.
28OCT25. TROPICAL STORM 18E (SONIA), LOCATED APPROXIMATELY 1111
NM SOUTH-SOUTHWEST OF SAN DIEGO, HAS TRACKED WEST-NORTHWESTWARD
AT 07 KNOTS OVER THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 281200Z IS 1003 MB. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 281200Z IS 13 FEET. NEXT WARNINGS AT
282200Z, 290400Z, 291000Z AND 291600Z.//
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