WTPN33 PGTW 172100

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

SUBJ/TROPICAL CYCLONE WARNING//

RMKS/

1. TROPICAL DEPRESSION 11W (NANGKA) WARNING NR 058

   DOWNGRADED FROM TROPICAL STORM 11W

   02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC

   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE

   WIND RADII VALID OVER OPEN WATER ONLY

    ---

   WARNING POSITION:

   171800Z --- NEAR 37.6N 135.2E

     MOVEMENT PAST SIX HOURS - 030 DEGREES AT 09 KTS

     POSITION ACCURATE TO WITHIN 060 NM

     POSITION BASED ON CENTER LOCATED BY SATELLITE

   PRESENT WIND DISTRIBUTION:

   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   REPEAT POSIT: 37.6N 135.2E

    ---

   FORECASTS:

   12 HRS, VALID AT:

   180600Z --- 39.5N 137.7E

   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   VECTOR TO 24 HR POSIT: 055 DEG/ 13 KTS

    ---

   24 HRS, VALID AT:

   181800Z --- 40.9N 140.6E

   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND

   VECTOR TO 36 HR POSIT: 055 DEG/ 13 KTS

    ---

   36 HRS, VALID AT:

   190600Z --- 42.4N 143.5E

   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND

    ---

REMARKS:

172100Z POSITION NEAR 38.1N 135.8E.

TROPICAL DEPRESSION 11W (NANGKA), LOCATED APPROXIMATELY 232 NM

WEST-NORTHWEST OF YOKOTA AB, HAS TRACKED NORTH-NORTHEASTWARD AT

09 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT

AT 171800Z IS 12 FEET. NEXT WARNINGS AT 180300Z, 180900Z, 181500Z

AND 182100Z. REFER TO TROPICAL STORM 01C (HALOLA) WARNINGS

(WTPN32 PGTW) FOR SIX-HOURLY UPDATES.//