Tropical Storm NEPARTAK Advisory Tue Jul 27

MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 11W (NEPARTAK) WARNING NR 015//
RMKS/
1. TROPICAL STORM 11W (NEPARTAK) WARNING NR 015
   02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   270000Z --- NEAR 34.9N 142.5E
     MOVEMENT PAST SIX HOURS - 330 DEGREES AT 03 KTS
     POSITION ACCURATE TO WITHIN 030 NM
     POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
     SATELLITE AND RADAR
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT
                            140 NM SOUTHEAST QUADRANT
                            090 NM SOUTHWEST QUADRANT
                            065 NM NORTHWEST QUADRANT
   REPEAT POSIT: 34.9N 142.5E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   271200Z --- 36.8N 141.8E
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT
                            125 NM SOUTHEAST QUADRANT
                            075 NM SOUTHWEST QUADRANT
                            045 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 335 DEG/ 12 KTS
    ---
   24 HRS, VALID AT:
   280000Z --- 38.9N 140.4E
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT
                            100 NM SOUTHEAST QUADRANT
                            050 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 315 DEG/ 10 KTS
    ---
   36 HRS, VALID AT:
   281200Z --- 40.3N 138.5E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 48 HR POSIT: 285 DEG/ 07 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   290000Z --- 40.6N 136.8E
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   VECTOR TO 72 HR POSIT: 315 DEG/ 02 KTS
    ---
   72 HRS, VALID AT:
   300000Z --- 41.1N 136.1E
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
    ---
REMARKS:
270300Z POSITION NEAR 35.4N 142.3E.
27JUL21. TROPICAL STORM 11W (NEPARTAK), LOCATED APPROXIMATELY 140
NM EAST OF YOKOSUKA, JAPAN, HAS TRACKED NORTH-NORTHWESTWARD AT 03
KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT
270000Z IS 20 FEET. NEXT WARNINGS AT 270900Z, 271500Z, 272100Z
AND 280300Z. REFER TO TROPICAL DEPRESSION 09W (IN-FA) FINAL
WARNING (WTPN31 PGTW).//
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