• Pacific-NW: ST Surigae 17

    From Weather Alert@1:2320/105 to All on Sat Apr 17 11:04:00 2021
    WTPN31 PGTW 171500
    MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
    SUBJ/SUPER TYPHOON 02W (SURIGAE) WARNING NR 017//
    RMKS/
    1. SUPER TYPHOON 02W (SURIGAE) WARNING NR 017
    01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
    MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    WIND RADII VALID OVER OPEN WATER ONLY
    ---
    WARNING POSITION:
    171200Z --- NEAR 12.0N 129.2E
    MOVEMENT PAST SIX HOURS - 305 DEGREES AT 12 KTS
    POSITION ACCURATE TO WITHIN 010 NM
    POSITION BASED ON EYE FIXED BY SATELLITE
    PRESENT WIND DISTRIBUTION:
    MAX SUSTAINED WINDS - 155 KT, GUSTS 190 KT
    WIND RADII VALID OVER OPEN WATER ONLY
    RADIUS OF 064 KT WINDS - 060 NM NORTHEAST QUADRANT
    055 NM SOUTHEAST QUADRANT
    040 NM SOUTHWEST QUADRANT
    045 NM NORTHWEST QUADRANT
    RADIUS OF 050 KT WINDS - 105 NM NORTHEAST QUADRANT
    100 NM SOUTHEAST QUADRANT
    080 NM SOUTHWEST QUADRANT
    085 NM NORTHWEST QUADRANT
    RADIUS OF 034 KT WINDS - 185 NM NORTHEAST QUADRANT
    175 NM SOUTHEAST QUADRANT
    140 NM SOUTHWEST QUADRANT
    150 NM NORTHWEST QUADRANT
    REPEAT POSIT: 12.0N 129.2E
    ---
    FORECASTS:
    12 HRS, VALID AT:
    180000Z --- 13.0N 127.6E
    MAX SUSTAINED WINDS - 145 KT, GUSTS 175 KT
    WIND RADII VALID OVER OPEN WATER ONLY
    RADIUS OF 064 KT WINDS - 050 NM NORTHEAST QUADRANT
    050 NM SOUTHEAST QUADRANT
    040 NM SOUTHWEST QUADRANT
    040 NM NORTHWEST QUADRANT
    RADIUS OF 050 KT WINDS - 100 NM NORTHEAST QUADRANT
    090 NM SOUTHEAST QUADRANT
    080 NM SOUTHWEST QUADRANT
    080 NM NORTHWEST QUADRANT
    RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT
    160 NM SOUTHEAST QUADRANT
    140 NM SOUTHWEST QUADRANT
    140 NM NORTHWEST QUADRANT
    VECTOR TO 24 HR POSIT: 315 DEG/ 06 KTS
    ---
    24 HRS, VALID AT:
    181200Z --- 13.8N 126.8E
    MAX SUSTAINED WINDS - 135 KT, GUSTS 165 KT
    WIND RADII VALID OVER OPEN WATER ONLY
    RADIUS OF 064 KT WINDS - 050 NM NORTHEAST QUADRANT
    040 NM SOUTHEAST QUADRANT
    040 NM SOUTHWEST QUADRANT
    040 NM NORTHWEST QUADRANT
    RADIUS OF 050 KT WINDS - 090 NM NORTHEAST QUADRANT
    090 NM SOUTHEAST QUADRANT
    080 NM SOUTHWEST QUADRANT
    080 NM NORTHWEST QUADRANT
    RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT
    150 NM SOUTHEAST QUADRANT
    140 NM SOUTHWEST QUADRANT
    140 NM NORTHWEST QUADRANT
    VECTOR TO 36 HR POSIT: 330 DEG/ 04 KTS
    ---
    36 HRS, VALID AT:
    190000Z --- 14.5N 126.4E
    MAX SUSTAINED WINDS - 125 KT, GUSTS 150 KT
    WIND RADII VALID OVER OPEN WATER ONLY
    RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT
    050 NM SOUTHEAST QUADRANT
    040 NM SOUTHWEST QUADRANT
    030 NM NORTHWEST QUADRANT
    RADIUS OF 050 KT WINDS - 090 NM NORTHEAST QUADRANT
    090 NM SOUTHEAST QUADRANT
    080 NM SOUTHWEST QUADRANT
    070 NM NORTHWEST QUADRANT
    RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT
    160 NM SOUTHEAST QUADRANT
    140 NM SOUTHWEST QUADRANT
    120 NM NORTHWEST QUADRANT
    VECTOR TO 48 HR POSIT: 345 DEG/ 04 KTS
    ---
    EXTENDED OUTLOOK:
    48 HRS, VALID AT:
    191200Z --- 15.2N 126.2E
    MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT
    WIND RADII VALID OVER OPEN WATER ONLY
    RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT
    040 NM SOUTHEAST QUADRANT
    040 NM SOUTHWEST QUADRANT
    030 NM NORTHWEST QUADRANT
    RADIUS OF 050 KT WINDS - 090 NM NORTHEAST QUADRANT
    090 NM SOUTHEAST QUADRANT
    080 NM SOUTHWEST QUADRANT
    070 NM NORTHWEST QUADRANT
    RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT
    150 NM SOUTHEAST QUADRANT
    150 NM SOUTHWEST QUADRANT
    120 NM NORTHWEST QUADRANT
    VECTOR TO 72 HR POSIT: 345 DEG/ 04 KTS
    ---
    72 HRS, VALID AT:
    201200Z --- 16.8N 125.7E
    MAX SUSTAINED WINDS - 110 KT, GUSTS 135 KT
    WIND RADII VALID OVER OPEN WATER ONLY
    RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT
    050 NM SOUTHEAST QUADRANT
    040 NM SOUTHWEST QUADRANT
    020 NM NORTHWEST QUADRANT
    RADIUS OF 050 KT WINDS - 080 NM NORTHEAST QUADRANT
    090 NM SOUTHEAST QUADRANT
    080 NM SOUTHWEST QUADRANT
    060 NM NORTHWEST QUADRANT
    RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT
    150 NM SOUTHEAST QUADRANT
    140 NM SOUTHWEST QUADRANT
    110 NM NORTHWEST QUADRANT
    VECTOR TO 96 HR POSIT: 355 DEG/ 05 KTS
    ---
    LONG RANGE OUTLOOK:
    ---
    96 HRS, VALID AT:
    211200Z --- 18.6N 125.5E
    MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT
    WIND RADII VALID OVER OPEN WATER ONLY
    RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT
    040 NM SOUTHEAST QUADRANT
    040 NM SOUTHWEST QUADRANT
    010 NM NORTHWEST QUADRANT
    RADIUS OF 050 KT WINDS - 080 NM NORTHEAST QUADRANT
    090 NM SOUTHEAST QUADRANT
    080 NM SOUTHWEST QUADRANT
    060 NM NORTHWEST QUADRANT
    RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT
    160 NM SOUTHEAST QUADRANT
    150 NM SOUTHWEST QUADRANT
    100 NM NORTHWEST QUADRANT
    VECTOR TO 120 HR POSIT: 035 DEG/ 07 KTS
    ---
    120 HRS, VALID AT:
    221200Z --- 20.8N 127.1E
    MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT
    WIND RADII VALID OVER OPEN WATER ONLY
    RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT
    040 NM SOUTHEAST QUADRANT
    040 NM SOUTHWEST QUADRANT
    010 NM NORTHWEST QUADRANT
    RADIUS OF 050 KT WINDS - 070 NM NORTHEAST QUADRANT
    080 NM SOUTHEAST QUADRANT
    070 NM SOUTHWEST QUADRANT
    050 NM NORTHWEST QUADRANT
    RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT
    150 NM SOUTHEAST QUADRANT
    140 NM SOUTHWEST QUADRANT
    100 NM NORTHWEST QUADRANT
    ---
    REMARKS:
    171500Z POSITION NEAR 12.3N 128.8E.
    17APR21. SUPER TYPHOON 02W (SURIGAE), LOCATED APPROXIMATELY 324 NM
    EAST OF LEGAZPI, PHILIPPINES, HAS TRACKED NORTHWESTWARD AT 12 KNOTS
    OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 171200Z
    IS 55 FEET. NEXT WARNINGS AT 172100Z, 180300Z, 180900Z AND 181500Z.//
    NNNN
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