WTPN34 PGTW 281500

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

SUBJ/TROPICAL CYCLONE WARNING//

RMKS/

1. TYPHOON 12W (LIONROCK) WARNING NR 043

   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC

   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE

   WIND RADII VALID OVER OPEN WATER ONLY

    ---

   WARNING POSITION:

   281200Z --- NEAR 28.5N 138.9E

     MOVEMENT PAST SIX HOURS - 050 DEGREES AT 12 KTS

     POSITION ACCURATE TO WITHIN 025 NM

     POSITION BASED ON EYE FIXED BY SATELLITE

   PRESENT WIND DISTRIBUTION:

   MAX SUSTAINED WINDS - 115 KT, GUSTS 140 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 - 060 NM NORTHEAST QUADRANT

                            100 NM SOUTHEAST QUADRANT

                            060 NM SOUTHWEST QUADRANT

                            060 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT

                            220 NM SOUTHEAST QUADRANT

                            200 NM SOUTHWEST QUADRANT

                            130 NM NORTHWEST QUADRANT

   REPEAT POSIT: 28.5N 138.9E

    ---

   FORECASTS:

   12 HRS, VALID AT:

   290000Z --- 30.7N 140.9E

   MAX SUSTAINED WINDS - 105 KT, GUSTS 130 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 - 065 NM NORTHEAST QUADRANT

                            090 NM SOUTHEAST QUADRANT

                            065 NM SOUTHWEST QUADRANT

                            065 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT

                            200 NM SOUTHEAST QUADRANT

                            185 NM SOUTHWEST QUADRANT

                            135 NM NORTHWEST QUADRANT

   VECTOR TO 24 HR POSIT: 030 DEG/ 14 KTS

    ---

   24 HRS, VALID AT:

   291200Z --- 33.1N 142.4E

   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 - 070 NM NORTHEAST QUADRANT

                            085 NM SOUTHEAST QUADRANT

                            065 NM SOUTHWEST QUADRANT

                            065 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 145 NM NORTHEAST QUADRANT

                            190 NM SOUTHEAST QUADRANT

                            175 NM SOUTHWEST QUADRANT

                            145 NM NORTHWEST QUADRANT

   VECTOR TO 36 HR POSIT: 005 DEG/ 15 KTS

    ---

   36 HRS, VALID AT:

   300000Z --- 36.0N 142.6E

   MAX SUSTAINED WINDS - 075 KT, GUSTS 090 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 - 065 NM NORTHEAST QUADRANT

                            070 NM SOUTHEAST QUADRANT

                            060 NM SOUTHWEST QUADRANT

                            060 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 155 NM NORTHEAST QUADRANT

                            170 NM SOUTHEAST QUADRANT

                            145 NM SOUTHWEST QUADRANT

                            140 NM NORTHWEST QUADRANT

   VECTOR TO 48 HR POSIT: 335 DEG/ 22 KTS

    ---

   EXTENDED OUTLOOK:

   48 HRS, VALID AT:

   301200Z --- 39.9N 140.0E

   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   BECOMING EXTRATROPICAL

   RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT

                            115 NM SOUTHEAST QUADRANT

                            110 NM SOUTHWEST QUADRANT

                            100 NM NORTHWEST QUADRANT

   VECTOR TO 72 HR POSIT: 305 DEG/ 22 KTS

    ---

   72 HRS, VALID AT:

   311200Z --- 44.8N 130.0E

   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   EXTRATROPICAL

    ---

REMARKS:

281500Z POSITION NEAR 29.1N 139.4E.

TYPHOON 12W (LIONROCK), LOCATED APPROXIMATELY 410 NM SOUTH OF

YOKOSUKA, JAPAN, HAS TRACKED NORTHEASTWARD AT 12 KNOTS OVER THE

PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 281200Z IS

42 FEET. NEXT WARNINGS AT 282100Z, 290300Z, 290900Z AND 291500Z.//