WTPN31 PGTW 071500

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

SUBJ/TROPICAL CYCLONE WARNING//

RMKS/

1. TYPHOON 17W (SHANSHAN) WARNING NR 020

   02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC

   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE

   WIND RADII VALID OVER OPEN WATER ONLY

    ---

   WARNING POSITION:

   071200Z --- NEAR 32.0N 143.1E

     MOVEMENT PAST SIX HOURS - 315 DEGREES AT 10 KTS

     POSITION ACCURATE TO WITHIN 025 NM

     POSITION BASED ON EYE FIXED BY SATELLITE

   PRESENT WIND DISTRIBUTION:

   MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 064 KT WINDS - 060 NM NORTHEAST QUADRANT

                            060 NM SOUTHEAST QUADRANT

                            035 NM SOUTHWEST QUADRANT

                            075 NM NORTHWEST QUADRANT

   RADIUS OF 050 KT WINDS - 115 NM NORTHEAST QUADRANT

                            115 NM SOUTHEAST QUADRANT

                            070 NM SOUTHWEST QUADRANT

                            135 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 200 NM NORTHEAST QUADRANT

                            200 NM SOUTHEAST QUADRANT

                            130 NM SOUTHWEST QUADRANT

                            235 NM NORTHWEST QUADRANT

   REPEAT POSIT: 32.0N 143.1E

    ---

   FORECASTS:

   12 HRS, VALID AT:

   080000Z --- 33.3N 141.8E

   MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 064 KT WINDS - 055 NM NORTHEAST QUADRANT

                            055 NM SOUTHEAST QUADRANT

                            010 NM SOUTHWEST QUADRANT

                            030 NM NORTHWEST QUADRANT

   RADIUS OF 050 KT WINDS - 100 NM NORTHEAST QUADRANT

                            105 NM SOUTHEAST QUADRANT

                            055 NM SOUTHWEST QUADRANT

                            080 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 190 NM NORTHEAST QUADRANT

                            190 NM SOUTHEAST QUADRANT

                            135 NM SOUTHWEST QUADRANT

                            205 NM NORTHWEST QUADRANT

   VECTOR TO 24 HR POSIT: 340 DEG/ 10 KTS

    ---

   24 HRS, VALID AT:

   081200Z --- 35.1N 140.9E

   MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT

                            040 NM SOUTHEAST QUADRANT

                            010 NM SOUTHWEST QUADRANT

                            020 NM NORTHWEST QUADRANT

   RADIUS OF 050 KT WINDS - 090 NM NORTHEAST QUADRANT

                            100 NM SOUTHEAST QUADRANT

                            055 NM SOUTHWEST QUADRANT

                            070 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT

                            175 NM SOUTHEAST QUADRANT

                            120 NM SOUTHWEST QUADRANT

                            170 NM NORTHWEST QUADRANT

   VECTOR TO 36 HR POSIT: 025 DEG/ 11 KTS

    ---

   36 HRS, VALID AT:

   090000Z --- 37.2N 142.0E

   MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT

                            070 NM SOUTHEAST QUADRANT

                            035 NM SOUTHWEST QUADRANT

                            050 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT

                            160 NM SOUTHEAST QUADRANT

                            120 NM SOUTHWEST QUADRANT

                            125 NM NORTHWEST QUADRANT

   VECTOR TO 48 HR POSIT: 060 DEG/ 16 KTS

    ---

   EXTENDED OUTLOOK:

   48 HRS, VALID AT:

   091200Z --- 38.7N 145.7E

   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   BECOMING EXTRATROPICAL

   RADIUS OF 034 KT WINDS - 115 NM NORTHEAST QUADRANT

                            170 NM SOUTHEAST QUADRANT

                            110 NM SOUTHWEST QUADRANT

                            090 NM NORTHWEST QUADRANT

   VECTOR TO 72 HR POSIT: 060 DEG/ 19 KTS

    ---

   72 HRS, VALID AT:

   101200Z --- 42.2N 154.5E

   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   EXTRATROPICAL

   RADIUS OF 034 KT WINDS - 035 NM NORTHEAST QUADRANT

                            210 NM SOUTHEAST QUADRANT

                            235 NM SOUTHWEST QUADRANT

                            080 NM NORTHWEST QUADRANT

    ---

REMARKS:

071500Z POSITION NEAR 32.3N 142.8E.

TYPHOON 17W (SHANSHAN), LOCATED APPROXIMATELY 261 NM SOUTHEAST OF

YOKOSUKA, JAPAN, HAS TRACKED NORTHWESTWARD AT 10 KNOTS OVER THE

PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 071200Z IS 30

FEET. NEXT WARNINGS AT 072100Z, 080300Z, 080900Z AND 081500Z.

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

FOR SIX-HOURLY UPDATES.//

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