WTPN31 PGTW 120200

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

SUBJ/TROPICAL CYCLONE WARNING//

RMKS/

1. TROPICAL STORM 09W (CHAN-HOM) WARNING NR 047

   DOWNGRADED FROM TYPHOON 09W

   02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC

   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE

   WIND RADII VALID OVER OPEN WATER ONLY

    ---

   WARNING POSITION:

   120000Z --- NEAR 33.3N 124.0E

     MOVEMENT PAST SIX HOURS - 015 DEGREES AT 17 KTS

     POSITION ACCURATE TO WITHIN 020 NM

     POSITION BASED ON CENTER LOCATED BY SATELLITE

   PRESENT WIND DISTRIBUTION:

   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 050 KT WINDS - 045 NM NORTHEAST QUADRANT

                            040 NM SOUTHEAST QUADRANT

                            040 NM SOUTHWEST QUADRANT

                            045 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT

                            140 NM SOUTHEAST QUADRANT

                            145 NM SOUTHWEST QUADRANT

                            150 NM NORTHWEST QUADRANT

   REPEAT POSIT: 33.3N 124.0E

    ---

   FORECASTS:

   12 HRS, VALID AT:

   121200Z --- 36.8N 125.6E

   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER

   VECTOR TO 24 HR POSIT: 025 DEG/ 22 KTS

    ---

   24 HRS, VALID AT:

   130000Z --- 40.7N 128.0E

   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND

    ---

REMARKS:

120300Z POSITION NEAR 34.2N 124.4E.

TROPICAL STORM 09W (CHAN-HOM), LOCATED APPROXIMATELY 292 NM

SOUTH-SOUTHWEST OF YONGSAN AIN, SOUTH KOREA, HAS TRACKED

NORTH-NORTHEASTWARD AT 17 KNOTS OVER THE PAST SIX HOURS. MAXIMUM

SIGNIFICANT WAVE HEIGHT AT 120000Z IS 26 FEET. NEXT WARNINGS AT

120900Z, 121500Z AND 122100Z. REFER TO TYPHOON 11W (NANGKA) WARNINGS

(WTPN33 PGTW) FOR SIX-HOURLY UPDATES.//