• TD Krovanh Rakes Honshu, Dissipation Imminent

    From Mike Powell@1:2320/107 to All on Wed Sep 9 18:51:50 2026
    WTPN31 PGTW 090900
    MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
    SUBJ/TROPICAL DEPRESSION 22W (KROVANH) WARNING NR 033//
    RMKS/
    1. TROPICAL DEPRESSION 22W (KROVANH) WARNING NR 033
    01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
    MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    WIND RADII VALID OVER OPEN WATER ONLY
    ---
    WARNING POSITION:
    090600Z --- NEAR 34.3N 135.9E
    MOVEMENT PAST SIX HOURS - 060 DEGREES AT 14 KTS
    POSITION ACCURATE TO WITHIN 060 NM
    POSITION BASED ON CENTER LOCATED BY SATELLITE
    PRESENT WIND DISTRIBUTION:
    MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
    WIND RADII VALID OVER OPEN WATER ONLY
    DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
    REPEAT POSIT: 34.3N 135.9E
    ---
    FORECASTS:
    12 HRS, VALID AT:
    091800Z --- 35.4N 139.6E
    MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
    WIND RADII VALID OVER OPEN WATER ONLY
    DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
    VECTOR TO 24 HR POSIT: 075 DEG/ 15 KTS
    ---
    24 HRS, VALID AT:
    100600Z --- 36.2N 143.1E
    MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
    WIND RADII VALID OVER OPEN WATER ONLY
    DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
    ---
    REMARKS:
    090900Z POSITION NEAR 34.6N 136.8E.
    09SEP26. TROPICAL DEPRESSION 22W (KROVANH), LOCATED APPROXIMATELY
    187 NM WEST-SOUTHWEST OF ATSUGI, JAPAN, HAS TRACKED EAST-
    NORTHEASTWARD AT 14 KNOTS OVER THE PAST SIX HOURS. TROPICAL
    DEPRESSION 22W HAS BECOME INCREASINGLY RAGGED AND ILL-DEFINED
    AS IT RAKES ACROSS THE COAST OF HONSHU. SURFACE OBSERVATIONS FROM
    THE REGION ARE DEPICTING WEAK (<20 KTS) WIND SPEEDS AND INCONSISTENT
    WIND DIRECTIONS, INDICATING THE SURFACE CIRCULATION IS FALLING APART.
    22W IS FORECAST TO CONTINUE TRACKING GENERALLY NORTHEASTWARD WHILE
    FURTHER UNRAVELING. THE ENVIRONMENT IS EXPECTED TO REMAIN HOSTILE, CHARACTERIZED BY LARGE AMOUNTS OF DRY AIR, HIGH (40-45 KTS) VERTICAL
    WIND SHEAR, AND LAND INTERACTION. GLOBAL DETERMINISTIC MODELS ARE IN
    STRONG AGREEMENT IN IMMINENT DISSIPATION. AS THE REMNANT CIRCULATION
    TRACKS ALONG THE COASTLINE, ELEVATED WINDS MAY OCCUR OFFSHORE DUE
    TO TERRAIN INTERACTION. THIS IS THE FINAL WARNING ON THIS SYSTEM BY
    THE JOINT TYPHOON WRNCEN PEARL HARBOR HI. THE SYSTEM WILL BE CLOSELY
    MONITORED FOR SIGNS OF REGENERATION. MINIMUM CENTRAL PRESSURE AT
    090600Z IS 1003 MB.//
    NNNN


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