WTPN31 PGTW 080300

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

SUBJ/TROPICAL CYCLONE WARNING//

RMKS/

1. TYPHOON 17W (SHANSHAN) WARNING NR 022

   02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC

   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE

   WIND RADII VALID OVER OPEN WATER ONLY

    ---

   WARNING POSITION:

   080000Z --- NEAR 33.4N 141.8E

     MOVEMENT PAST SIX HOURS - 335 DEGREES AT 10 KTS

     POSITION ACCURATE TO WITHIN 010 NM

     POSITION BASED ON EYE FIXED BY SATELLITE

   PRESENT WIND DISTRIBUTION:

   MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT

                            035 NM SOUTHEAST QUADRANT

                            025 NM SOUTHWEST QUADRANT

                            035 NM NORTHWEST QUADRANT

   RADIUS OF 050 KT WINDS - 090 NM NORTHEAST QUADRANT

                            075 NM SOUTHEAST QUADRANT

                            060 NM SOUTHWEST QUADRANT

                            070 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 190 NM NORTHEAST QUADRANT

                            175 NM SOUTHEAST QUADRANT

                            140 NM SOUTHWEST QUADRANT

                            180 NM NORTHWEST QUADRANT

   REPEAT POSIT: 33.4N 141.8E

    ---

   FORECASTS:

   12 HRS, VALID AT:

   081200Z --- 34.7N 141.0E

   MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 064 KT WINDS - 050 NM NORTHEAST QUADRANT

                            045 NM SOUTHEAST QUADRANT

                            025 NM SOUTHWEST QUADRANT

                            015 NM NORTHWEST QUADRANT

   RADIUS OF 050 KT WINDS - 085 NM NORTHEAST QUADRANT

                            085 NM SOUTHEAST QUADRANT

                            050 NM SOUTHWEST QUADRANT

                            035 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 160 NM NORTHEAST QUADRANT

                            155 NM SOUTHEAST QUADRANT

                            140 NM SOUTHWEST QUADRANT

                            130 NM NORTHWEST QUADRANT

   VECTOR TO 24 HR POSIT: 355 DEG/ 08 KTS

    ---

   24 HRS, VALID AT:

   090000Z --- 36.3N 140.9E

   MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT

                            035 NM SOUTHEAST QUADRANT

                            025 NM SOUTHWEST QUADRANT

                            010 NM NORTHWEST QUADRANT

   RADIUS OF 050 KT WINDS - 055 NM NORTHEAST QUADRANT

                            070 NM SOUTHEAST QUADRANT

                            035 NM SOUTHWEST QUADRANT

                            015 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT

                            125 NM SOUTHEAST QUADRANT

                            135 NM SOUTHWEST QUADRANT

                            080 NM NORTHWEST QUADRANT

   VECTOR TO 36 HR POSIT: 035 DEG/ 11 KTS

    ---

   36 HRS, VALID AT:

   091200Z --- 38.2N 142.5E

   MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT

                            050 NM SOUTHEAST QUADRANT

                            035 NM SOUTHWEST QUADRANT

                            020 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT

                            130 NM SOUTHEAST QUADRANT

                            115 NM SOUTHWEST QUADRANT

                            040 NM NORTHWEST QUADRANT

   VECTOR TO 48 HR POSIT: 060 DEG/ 19 KTS

    ---

   EXTENDED OUTLOOK:

   48 HRS, VALID AT:

   100000Z --- 40.2N 146.8E

   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   BECOMING EXTRATROPICAL

   RADIUS OF 050 KT WINDS - 025 NM NORTHEAST QUADRANT

                            035 NM SOUTHEAST QUADRANT

                            025 NM SOUTHWEST QUADRANT

                            015 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT

                            160 NM SOUTHEAST QUADRANT

                            135 NM SOUTHWEST QUADRANT

                            040 NM NORTHWEST QUADRANT

   VECTOR TO 72 HR POSIT: 065 DEG/ 31 KTS

    ---

   72 HRS, VALID AT:

   110000Z --- 44.1N 162.5E

   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   EXTRATROPICAL

   RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT

                            135 NM SOUTHEAST QUADRANT

                            180 NM SOUTHWEST QUADRANT

                            080 NM NORTHWEST QUADRANT

    ---

REMARKS:

080300Z POSITION NEAR 33.7N 141.6E.

TYPHOON 17W (SHANSHAN), LOCATED APPROXIMATELY 154 NM SOUTHEAST OF

YOKOSUKA, JAPAN, HAS TRACKED NORTH-NORTHWESTWARD AT 10 KNOTS OVER

THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 080000Z IS

28 FEET. NEXT WARNINGS AT 080900Z, 081500Z, 082100Z AND 090300Z.

REFER TO TROPICAL DEPRESSION 18W (EIGHTEEN) WARNINGS (WTPN32 PGTW)

FOR SIX-HOURLY UPDATES.//

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