WTPN31 PGTW 161400

MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//

SUBJ/TROPICAL CYCLONE WARNING//

RMKS/

1. TROPICAL STORM 09W (CHANTHU) WARNING NR 014

   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC

   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE

   WIND RADII VALID OVER OPEN WATER ONLY

    ---

   WARNING POSITION:

   161200Z --- NEAR 35.2N 141.0E

     MOVEMENT PAST SIX HOURS - 345 DEGREES AT 18 KTS

     POSITION ACCURATE TO WITHIN 020 NM

     POSITION BASED ON CENTER LOCATED BY A COMBINATION OF

     SATELLITE AND RADAR

   PRESENT WIND DISTRIBUTION:

   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT

   REPEAT POSIT: 35.2N 141.0E

    ---

   FORECASTS:

   12 HRS, VALID AT:

   170000Z --- 39.1N 141.4E

   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT

   BECOMING EXTRATROPICAL

   VECTOR TO 24 HR POSIT: 015 DEG/ 31 KTS

    ---

   24 HRS, VALID AT:

   171200Z --- 45.1N 143.5E

   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT

   BECOMING EXTRATROPICAL

   VECTOR TO 36 HR POSIT: 015 DEG/ 34 KTS

    ---

   36 HRS, VALID AT:

   180000Z --- 51.7N 145.9E

   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT

   EXTRATROPICAL

    ---

REMARKS:

161500Z POSITION NEAR 36.2N 141.1E.

TROPICAL STORM 09W (CHANTHU), LOCATED APPROXIMATELY 64 NM EAST OF

YOKOSUKA, JAPAN, HAS TRACKED NORTH-NORTHWESTWARD AT 18 KNOTS OVER

THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 161200Z IS 13

FEET. NEXT WARNINGS AT 162100Z, 170300Z, 170900Z AND 171500Z.//=