WTPN31 PGTW 121500

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

SUBJ/TROPICAL CYCLONE WARNING//

RMKS/

1. TROPICAL STORM 04W (MERBOK) WARNING NR 007

   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC

   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE

   WIND RADII VALID OVER OPEN WATER ONLY

    ---

   WARNING POSITION:

   121200Z --- NEAR 22.1N 114.5E

     MOVEMENT PAST SIX HOURS - 350 DEGREES AT 09 KTS

     POSITION ACCURATE TO WITHIN 060 NM

     POSITION BASED ON CENTER LOCATED BY SATELLITE

   PRESENT WIND DISTRIBUTION:

   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT

                            050 NM SOUTHEAST QUADRANT

                            045 NM SOUTHWEST QUADRANT

                            040 NM NORTHWEST QUADRANT

   REPEAT POSIT: 22.1N 114.5E

    ---

   FORECASTS:

   12 HRS, VALID AT:

   130000Z --- 24.0N 114.8E

   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   VECTOR TO 24 HR POSIT: 040 DEG/ 10 KTS

    ---

   24 HRS, VALID AT:

   131200Z --- 25.6N 116.2E

   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND

   VECTOR TO 36 HR POSIT: 065 DEG/ 13 KTS

    ---

   36 HRS, VALID AT:

   140000Z --- 26.6N 118.8E

   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND

    ---

REMARKS:

121500Z POSITION NEAR 22.6N 114.6E.

TROPICAL STORM 04W (MERBOK), LOCATED APPROXIMATELY 21 NM

SOUTHEAST OF HONG KONG, HAS TRACKED NORTHWARD AT 09 KNOTS OVER

THE PAST SIX HOURS.

MAXIMUM SIGNIFICANT WAVE HEIGHT AT 121200Z IS 13 FEET. NEXT

WARNINGS AT 122100Z, 130300Z, 130900Z AND 131500Z.//