Tropical Storm NEPARTAK Advisory Wed Jul 28

MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 11W (NEPARTAK) WARNING NR 016//
RMKS/
1. TROPICAL STORM 11W (NEPARTAK) WARNING NR 016
   02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   270600Z --- NEAR 35.8N 142.3E
     MOVEMENT PAST SIX HOURS - 350 DEGREES AT 09 KTS
     POSITION ACCURATE TO WITHIN 020 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 - 115 NM NORTHEAST QUADRANT
                            140 NM SOUTHEAST QUADRANT
                            090 NM SOUTHWEST QUADRANT
                            065 NM NORTHWEST QUADRANT
   REPEAT POSIT: 35.8N 142.3E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   271800Z --- 37.7N 141.6E
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT
                            130 NM SOUTHEAST QUADRANT
                            080 NM SOUTHWEST QUADRANT
                            070 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 325 DEG/ 12 KTS
    ---
   24 HRS, VALID AT:
   280600Z --- 39.6N 139.9E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 36 HR POSIT: 300 DEG/ 09 KTS
    ---
   36 HRS, VALID AT:
   281800Z --- 40.5N 138.0E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 48 HR POSIT: 275 DEG/ 04 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   290600Z --- 40.6N 136.9E
   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: 270 DEG/ 01 KTS
    ---
   72 HRS, VALID AT:
   300600Z --- 40.6N 136.2E
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
    ---
REMARKS:
270900Z POSITION NEAR 36.3N 142.1E.
27JUL21. TROPICAL STORM 11W (NEPARTAK), LOCATED APPROXIMATELY 130
NM EAST-NORTHEAST OF YOKOSUKA, JAPAN, HAS TRACKED NORTHWARD AT 09
KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT
270600Z IS 20 FEET. NEXT WARNINGS AT 271500Z, 272100Z, 280300Z AND
280900Z. REFER TO TROPICAL DEPRESSION 09W (IN-FA) WARNING (WTPN31
PGTW) FOR THE FINAL WARNING ON THIS SYSTEM.
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