WTPN34 PGTW 282100

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

SUBJ/TROPICAL CYCLONE WARNING//

RMKS/

1. TYPHOON 12W (LIONROCK) WARNING NR 044

   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC

   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE

   WIND RADII VALID OVER OPEN WATER ONLY

    ---

   WARNING POSITION:

   281800Z --- NEAR 29.4N 140.5E

     MOVEMENT PAST SIX HOURS - 055 DEGREES AT 17 KTS

     POSITION ACCURATE TO WITHIN 010 NM

     POSITION BASED ON EYE FIXED BY SATELLITE

   PRESENT WIND DISTRIBUTION:

   MAX SUSTAINED WINDS - 110 KT, GUSTS 135 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: 29.4N 140.5E

    ---

   FORECASTS:

   12 HRS, VALID AT:

   290600Z --- 31.6N 142.6E

   MAX SUSTAINED WINDS - 090 KT, GUSTS 110 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: 010 DEG/ 13 KTS

    ---

   24 HRS, VALID AT:

   291800Z --- 34.2N 143.1E

   MAX SUSTAINED WINDS - 080 KT, GUSTS 100 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: 350 DEG/ 17 KTS

    ---

   36 HRS, VALID AT:

   300600Z --- 37.5N 142.3E

   MAX SUSTAINED WINDS - 070 KT, GUSTS 085 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: 320 DEG/ 22 KTS

    ---

   EXTENDED OUTLOOK:

   48 HRS, VALID AT:

   301800Z --- 40.9N 138.7E

   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   BECOMING EXTRATROPICAL

   RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT

                            100 NM SOUTHEAST QUADRANT

                            100 NM SOUTHWEST QUADRANT

                            100 NM NORTHWEST QUADRANT

   VECTOR TO 72 HR POSIT: 305 DEG/ 24 KTS

    ---

   72 HRS, VALID AT:

   311800Z --- 45.6N 127.3E

   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   EXTRATROPICAL

    ---

REMARKS:

282100Z POSITION NEAR 30.0N 141.0E.

TYPHOON 12W (LIONROCK), LOCATED APPROXIMATELY 356 NM SOUTH OF

YOKOSUKA, JAPAN, HAS TRACKED NORTHEASTWARD AT 17 KNOTS OVER THE

PAST SIX HOURS.

MAXIMUM SIGNIFICANT WAVE HEIGHT AT 281800Z IS 38 FEET. NEXT

WARNINGS AT 290300Z, 290900Z, 291500Z AND 292100Z.

//