WTPN31 PGTW 140300 RRA

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

SUBJ/TROPICAL CYCLONE WARNING//

RMKS/

1. TROPICAL STORM 09W (CHANTHU) WARNING NR 004

   UPGRADED FROM TROPICAL DEPRESSION 09W

   02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC

   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE

   WIND RADII VALID OVER OPEN WATER ONLY

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   WARNING POSITION:

   140000Z --- NEAR 20.8N 142.9E

     MOVEMENT PAST SIX HOURS - 040 DEGREES AT 12 KTS

     POSITION ACCURATE TO WITHIN 060 NM

     POSITION BASED ON CENTER LOCATED BY SATELLITE

   PRESENT WIND DISTRIBUTION:

   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   REPEAT POSIT: 20.8N 142.9E

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   FORECASTS:

   12 HRS, VALID AT:

   141200Z --- 22.3N 143.8E

   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT

                            150 NM SOUTHEAST QUADRANT

                            100 NM SOUTHWEST QUADRANT

                            090 NM NORTHWEST QUADRANT

   VECTOR TO 24 HR POSIT: 015 DEG/ 10 KTS

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   24 HRS, VALID AT:

   150000Z --- 24.3N 144.3E

   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT

                            150 NM SOUTHEAST QUADRANT

                            100 NM SOUTHWEST QUADRANT

                            090 NM NORTHWEST QUADRANT

   VECTOR TO 36 HR POSIT: 350 DEG/ 10 KTS

    ---

   36 HRS, VALID AT:

   151200Z --- 26.2N 143.9E

   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT

   WIND RADII VALID OVER OPEN WATER ONLY=