WTPN31 PGTW 160800 RRA

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

SUBJ/TROPICAL CYCLONE WARNING//

RMKS/

1. TROPICAL STORM 09W (CHANTHU) WARNING NR 013

   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC

   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE

   WIND RADII VALID OVER OPEN WATER ONLY

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   WARNING POSITION:

   160600Z --- NEAR 33.4N 141.5E

     MOVEMENT PAST SIX HOURS - 340 DEGREES AT 19 KTS

     POSITION ACCURATE TO WITHIN 020 NM

     POSITION BASED ON CENTER LOCATED BY SATELLITE

   PRESENT WIND DISTRIBUTION:

   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT

                            020 NM SOUTHEAST QUADRANT

                            020 NM SOUTHWEST QUADRANT

                            070 NM NORTHWEST QUADRANT

   REPEAT POSIT: 33.4N 141.5E

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   FORECASTS:

   12 HRS, VALID AT:

   161800Z --- 36.4N 141.0E

   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   BECOMING EXTRATROPICAL

   VECTOR TO 24 HR POSIT: 010 DEG/ 23 KTS

    ---

   24 HRS, VALID AT:

   170600Z --- 41.0N 142.0E

   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   BECOMING EXTRATROPICAL

   VECTOR TO 36 HR POSIT: 010 DEG/ 32 KTS

    ---

   36 HRS, VALID AT:

   171800Z --- 47.3N 144.0E

   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   EXTRATROPICAL

    ---

REMARKS:

160900Z POSITION NEAR 34.2N 141.4E.

TROPICAL STORM 09W (CHANTHU), LOCATED APPROXIMATELY 145 NM SOUTHEAST

OF YOKOSUKA, JAPAN, HAS TRACKED NORTH-NORTHWESTWARD AT 19 KNOTS OVER=