Tropical Storm EIGHT Advisory 8月18日

MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 08W (EIGHT) WARNING NR 001//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/170321ZAUG2020//
AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.//
RMKS/
1. TROPICAL DEPRESSION 08W (EIGHT) WARNING NR 001
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   171800Z --- NEAR 19.9N 118.6E
     MOVEMENT PAST SIX HOURS - 280 DEGREES AT 10 KTS
     POSITION ACCURATE TO WITHIN 030 NM
     POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
     SATELLITE AND EXTRAPOLATION
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   REPEAT POSIT: 19.9N 118.6E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   180600Z --- 20.3N 116.1E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
                            060 NM SOUTHEAST QUADRANT
                            020 NM SOUTHWEST QUADRANT
                            040 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 290 DEG/ 10 KTS
    ---
   24 HRS, VALID AT:
   181800Z --- 21.0N 114.0E
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT
                            050 NM SOUTHEAST QUADRANT
                            010 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 290 DEG/ 09 KTS
    ---
   36 HRS, VALID AT:
   190600Z --- 21.6N 112.1E
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
                            020 NM SOUTHEAST QUADRANT
                            010 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   VECTOR TO 48 HR POSIT: 295 DEG/ 11 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   191800Z --- 22.4N 110.0E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
   VECTOR TO 72 HR POSIT: 290 DEG/ 05 KTS
    ---
   72 HRS, VALID AT:
   201800Z --- 23.2N 107.8E
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
    ---
REMARKS:
172100Z POSITION NEAR 20.0N 118.0E.
17AUG20. TROPICAL DEPRESSION 08W (EIGHT), LOCATED APPROXIMATELY
285 NM EAST-SOUTHEAST OF HONG KONG, HAS TRACKED WESTWARD AT 10
KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT
AT 171800Z IS 10 FEET. NEXT WARNINGS AT 180300Z, 180900Z, 181500Z
AND 182100Z.
2. THIS CANCELS AND SUPERSEDES REF A (WTPN21 PGTW 170330).//
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