WTPN33 PGTW 162100

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

SUBJ/TROPICAL CYCLONE WARNING//

RMKS/

1. TROPICAL STORM 11W (NANGKA) WARNING NR 054

   DOWNGRADED FROM TYPHOON 11W

   02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC

   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE

   WIND RADII VALID OVER OPEN WATER ONLY

    ---

   WARNING POSITION:

   161800Z --- NEAR 34.0N 134.0E

     MOVEMENT PAST SIX HOURS - 345 DEGREES AT 11 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 - 050 KT, GUSTS 065 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   REPEAT POSIT: 34.0N 134.0E

    ---

   FORECASTS:

   12 HRS, VALID AT:

   170600Z --- 35.8N 133.8E

   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 034 KT WINDS - 045 NM NORTHEAST QUADRANT

                            040 NM SOUTHEAST QUADRANT

                            040 NM SOUTHWEST QUADRANT

                            045 NM NORTHWEST QUADRANT

   VECTOR TO 24 HR POSIT: 015 DEG/ 08 KTS

    ---

   24 HRS, VALID AT:

   171800Z --- 37.4N 134.4E

   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   VECTOR TO 36 HR POSIT: 035 DEG/ 11 KTS

    ---

   36 HRS, VALID AT:

   180600Z --- 39.1N 136.0E

   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   VECTOR TO 48 HR POSIT: 055 DEG/ 12 KTS

    ---

   EXTENDED OUTLOOK:

   48 HRS, VALID AT:

   181800Z --- 40.4N 138.7E

   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER

   VECTOR TO 72 HR POSIT: 075 DEG/ 16 KTS

    ---

   72 HRS, VALID AT:

   191800Z --- 42.0N 147.0E

   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER

    ---

REMARKS:

162100Z POSITION NEAR 34.4N 134.0E.

TROPICAL STORM 11W (NANGKA), LOCATED APPROXIMATELY 96 NM EAST OF

IWAKUNI, JAPAN, HAS TRACKED NORTH-NORTHWESTWARD AT 11 KNOTS OVER

THE PAST SIX HOURS. NEXT WARNINGS AT 170300Z, 170900Z, 171500Z AND

172100Z. REFER TO TROPICAL STORM 01C (HALOLA) WARNINGS (WTPN32 PGTW)

FOR SIX-HOURLY UPDATES.//