WTPN31 PGTW 280900

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

SUBJ/TROPICAL CYCLONE WARNING//

RMKS/

1. TROPICAL STORM 04W (MAYSAK) WARNING NR 006

   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC

   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE

   WIND RADII VALID OVER OPEN WATER ONLY

    ---

   WARNING POSITION:

   280600Z --- NEAR 7.6N 154.6E

     MOVEMENT PAST SIX HOURS - 270 DEGREES AT 09 KTS

     POSITION ACCURATE TO WITHIN 030 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 - 025 NM NORTHEAST QUADRANT

                            025 NM SOUTHEAST QUADRANT

                            025 NM SOUTHWEST QUADRANT

                            025 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT

                            045 NM SOUTHEAST QUADRANT

                            045 NM SOUTHWEST QUADRANT

                            055 NM NORTHWEST QUADRANT

   REPEAT POSIT: 7.6N 154.6E

    ---

   FORECASTS:

   12 HRS, VALID AT:

   281800Z --- 7.6N 152.8E

   MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 050 KT WINDS - 035 NM NORTHEAST QUADRANT

                            035 NM SOUTHEAST QUADRANT

                            035 NM SOUTHWEST QUADRANT

                            035 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT

                            065 NM SOUTHEAST QUADRANT

                            065 NM SOUTHWEST QUADRANT

                            075 NM NORTHWEST QUADRANT

   VECTOR TO 24 HR POSIT: 275 DEG/ 12 KTS

    ---

   24 HRS, VALID AT:

   290600Z --- 7.8N 150.4E

   MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 064 KT WINDS - 025 NM NORTHEAST QUADRANT

                            025 NM SOUTHEAST QUADRANT

                            025 NM SOUTHWEST QUADRANT

                            025 NM NORTHWEST QUADRANT

   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 - 090 NM NORTHEAST QUADRANT

                            080 NM SOUTHEAST QUADRANT

                            080 NM SOUTHWEST QUADRANT

                            090 NM NORTHWEST QUADRANT

   VECTOR TO 36 HR POSIT: 275 DEG/ 13 KTS

    ---

   36 HRS, VALID AT:

   291800Z --- 8.0N 147.8E

   MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT

                            030 NM SOUTHEAST QUADRANT

                            030 NM SOUTHWEST QUADRANT

                            030 NM NORTHWEST QUADRANT

   RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT

                            050 NM SOUTHEAST QUADRANT

                            050 NM SOUTHWEST QUADRANT

                            050 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT

                            090 NM SOUTHEAST QUADRANT

                            095 NM SOUTHWEST QUADRANT

                            105 NM NORTHWEST QUADRANT

   VECTOR TO 48 HR POSIT: 280 DEG/ 14 KTS

    ---

   EXTENDED OUTLOOK:

   48 HRS, VALID AT:

   300600Z --- 8.4N 144.9E

   MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 064 KT WINDS - 035 NM NORTHEAST QUADRANT

                            035 NM SOUTHEAST QUADRANT

                            035 NM SOUTHWEST QUADRANT

                            035 NM NORTHWEST QUADRANT

   RADIUS OF 050 KT WINDS - 055 NM NORTHEAST QUADRANT

                            055 NM SOUTHEAST QUADRANT

                            055 NM SOUTHWEST QUADRANT

                            060 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT

                            100 NM SOUTHEAST QUADRANT

                            105 NM SOUTHWEST QUADRANT

                            110 NM NORTHWEST QUADRANT

   VECTOR TO 72 HR POSIT: 280 DEG/ 14 KTS

    ---

   72 HRS, VALID AT:

   310600Z --- 9.1N 139.3E

   MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT

                            040 NM SOUTHEAST QUADRANT

                            040 NM SOUTHWEST QUADRANT

                            040 NM NORTHWEST QUADRANT

   RADIUS OF 050 KT WINDS - 065 NM NORTHEAST QUADRANT

                            065 NM SOUTHEAST QUADRANT

                            065 NM SOUTHWEST QUADRANT

                            065 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT

                            110 NM SOUTHEAST QUADRANT

                            115 NM SOUTHWEST QUADRANT

                            125 NM NORTHWEST QUADRANT

   VECTOR TO 96 HR POSIT: 285 DEG/ 11 KTS

    ---

   LONG RANGE OUTLOOK:

    ---

   96 HRS, VALID AT:

   010600Z --- 10.1N 134.8E

   MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   VECTOR TO 120 HR POSIT: 295 DEG/ 10 KTS

    ---

   120 HRS, VALID AT:

   020600Z --- 11.7N 131.1E

   MAX SUSTAINED WINDS - 110 KT, GUSTS 135 KT

   WIND RADII VALID OVER OPEN WATER ONLY

    ---

REMARKS:

280900Z POSITION NEAR 7.6N 154.1E.

TROPICAL STORM 04W (MAYSAK), LOCATED APPROXIMATELY 161 NM EAST OF

CHUUK, HAS TRACKED WESTWARD AT 09 KNOTS OVER THE PAST SIX HOURS.

MAXIMUM SIGNIFICANT WAVE HEIGHT AT 280600Z IS 18 FEET. NEXT

WARNINGS AT 281500Z, 282100Z, 290300Z AND 290900Z.//