• Pacific-NW: Surigae W042

    From Weather Alert@1:2320/105 to All on Fri Apr 23 18:02:00 2021
    WTPN31 PGTW 232100
    MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
    SUBJ/SUBTROPICAL STORM 02W (SURIGAE) WARNING NR 042//
    RMKS/
    1. SUBTROPICAL STORM 02W (SURIGAE) WARNING NR 042
    01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
    MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    WIND RADII VALID OVER OPEN WATER ONLY
    ---
    WARNING POSITION:
    231800Z --- NEAR 23.2N 130.5E
    MOVEMENT PAST SIX HOURS - 100 DEGREES AT 06 KTS
    POSITION ACCURATE TO WITHIN 020 NM
    POSITION BASED ON CENTER LOCATED BY SATELLITE
    PRESENT WIND DISTRIBUTION:
    MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
    WIND RADII VALID OVER OPEN WATER ONLY
    SUBTROPICAL
    RADIUS OF 050 KT WINDS - 115 NM NORTHEAST QUADRANT
    075 NM SOUTHEAST QUADRANT
    085 NM SOUTHWEST QUADRANT
    110 NM NORTHWEST QUADRANT
    RADIUS OF 034 KT WINDS - 240 NM NORTHEAST QUADRANT
    130 NM SOUTHEAST QUADRANT
    130 NM SOUTHWEST QUADRANT
    185 NM NORTHWEST QUADRANT
    REPEAT POSIT: 23.2N 130.5E
    ---
    FORECASTS:
    12 HRS, VALID AT:
    240600Z --- 22.9N 132.1E
    MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
    WIND RADII VALID OVER OPEN WATER ONLY
    SUBTROPICAL
    RADIUS OF 050 KT WINDS - 070 NM NORTHEAST QUADRANT
    020 NM SOUTHEAST QUADRANT
    030 NM SOUTHWEST QUADRANT
    040 NM NORTHWEST QUADRANT
    RADIUS OF 034 KT WINDS - 270 NM NORTHEAST QUADRANT
    160 NM SOUTHEAST QUADRANT
    110 NM SOUTHWEST QUADRANT
    180 NM NORTHWEST QUADRANT
    VECTOR TO 24 HR POSIT: 095 DEG/ 11 KTS
    ---
    24 HRS, VALID AT:
    241800Z --- 22.6N 134.5E
    MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
    WIND RADII VALID OVER OPEN WATER ONLY
    SUBTROPICAL
    RADIUS OF 034 KT WINDS - 220 NM NORTHEAST QUADRANT
    120 NM SOUTHEAST QUADRANT
    110 NM SOUTHWEST QUADRANT
    130 NM NORTHWEST QUADRANT
    VECTOR TO 36 HR POSIT: 080 DEG/ 15 KTS
    ---
    36 HRS, VALID AT:
    250600Z --- 23.0N 137.7E
    MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
    WIND RADII VALID OVER OPEN WATER ONLY
    BECOMING EXTRATROPICAL
    RADIUS OF 034 KT WINDS - 180 NM NORTHEAST QUADRANT
    120 NM SOUTHEAST QUADRANT
    100 NM SOUTHWEST QUADRANT
    130 NM NORTHWEST QUADRANT
    VECTOR TO 48 HR POSIT: 070 DEG/ 22 KTS
    ---
    EXTENDED OUTLOOK:
    48 HRS, VALID AT:
    251800Z --- 24.5N 142.3E
    MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
    WIND RADII VALID OVER OPEN WATER ONLY
    EXTRATROPICAL
    RADIUS OF 034 KT WINDS - 220 NM NORTHEAST QUADRANT
    150 NM SOUTHEAST QUADRANT
    150 NM SOUTHWEST QUADRANT
    150 NM NORTHWEST QUADRANT
    ---
    REMARKS:
    232100Z POSITION NEAR 23.1N 130.9E.
    23APR21. SUBTROPICAL STORM 02W (SURIGAE), LOCATED APPROXIMATELY 247
    NM SOUTHEAST OF KADENA AB, HAS TRACKED EASTWARD AT 06 KNOTS OVER
    THE PAST SIX HOURS.
    MAXIMUM SIGNIFICANT WAVE HEIGHT AT 231800Z IS 30 FEET. NEXT
    WARNINGS AT 240300Z, 240900Z, 241500Z AND 242100Z.
    //
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