Advisories

WTPN32 PGTW 270300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 21W (TWENTYONE) WARNING NR 001//
RMKS/
1. TROPICAL DEPRESSION 21W (TWENTYONE) WARNING NR 001    
   03 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   270000Z --- NEAR 20.4N 167.7E
     MOVEMENT PAST SIX HOURS - 010 DEGREES AT 06 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   REPEAT POSIT: 20.4N 167.7E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   271200Z --- 22.0N 168.1E
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
                            060 NM SOUTHEAST QUADRANT
                            010 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 350 DEG/ 09 KTS
    ---
   24 HRS, VALID AT:
   280000Z --- 23.7N 167.8E
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
                            100 NM SOUTHEAST QUADRANT
                            020 NM SOUTHWEST QUADRANT
                            060 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 345 DEG/ 08 KTS
    ---
   36 HRS, VALID AT:
   281200Z --- 25.2N 167.3E
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT
                            030 NM SOUTHEAST QUADRANT
                            020 NM SOUTHWEST QUADRANT
                            020 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT
                            100 NM SOUTHEAST QUADRANT
                            030 NM SOUTHWEST QUADRANT
                            070 NM NORTHWEST QUADRANT
   VECTOR TO 48 HR POSIT: 350 DEG/ 09 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   290000Z --- 27.0N 166.9E
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
                            030 NM SOUTHEAST QUADRANT
                            020 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT
                            110 NM SOUTHEAST QUADRANT
                            050 NM SOUTHWEST QUADRANT
                            070 NM NORTHWEST QUADRANT
   VECTOR TO 60 HR POSIT: 345 DEG/ 11 KTS
    ---
   60 HRS, VALID AT:
   291200Z --- 29.2N 166.2E
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
                            030 NM SOUTHEAST QUADRANT
                            020 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT
                            090 NM SOUTHEAST QUADRANT
                            050 NM SOUTHWEST QUADRANT
                            080 NM NORTHWEST QUADRANT
   VECTOR TO 72 HR POSIT: 340 DEG/ 09 KTS
    ---
   72 HRS, VALID AT:
   300000Z --- 31.0N 165.5E
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING SUBTROPICAL
   RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT
                            090 NM SOUTHEAST QUADRANT
                            050 NM SOUTHWEST QUADRANT
                            070 NM NORTHWEST QUADRANT
   VECTOR TO 96 HR POSIT: 010 DEG/ 05 KTS
    ---
   LONG RANGE OUTLOOK:
    ---
   96 HRS, VALID AT:
   310000Z --- 32.9N 165.8E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   SUBTROPICAL
   RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT
                            100 NM SOUTHEAST QUADRANT
                            060 NM SOUTHWEST QUADRANT
                            050 NM NORTHWEST QUADRANT
    ---
REMARKS:
270300Z POSITION NEAR 20.8N 167.8E.27AUG26. TROPICAL DEPRESSION 21W 
(TWENTYONE), LOCATED APPROXIMATELY 91 NM NORTHEAST OF WAKE ISLAND, HAS 
TRACKED NORTHWARD AT 06 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL 
PRESSURE AT 270000Z IS 1000 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 
270000Z IS 12 FEET. NEXT WARNINGS AT 270900Z, 271500Z, 272100Z AND 
280300Z. REFER TO TYPHOON 17W (SAUDEL) WARNINGS (WTPN31 PGTW) FOR SIX-
HOURLY UPDATES. REFER TO TROPICAL DEPRESSION 20W (TWENTY) WARNINGS 
(WTPN33 PGTW) FOR SIX-HOURLY UPDATES.//
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