WTPN32 PGTW 041500

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

SUBJ/TROPICAL CYCLONE WARNING//

RMKS/

1. TYPHOON 21W (CHABA) WARNING NR 027

   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC

   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE

   WIND RADII VALID OVER OPEN WATER ONLY

    ---

   WARNING POSITION:

   041200Z --- NEAR 31.1N 125.9E

     MOVEMENT PAST SIX HOURS - 355 DEGREES AT 16 KTS

     POSITION ACCURATE TO WITHIN 045 NM

     POSITION BASED ON CENTER LOCATED 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 - 025 NM NORTHEAST QUADRANT

                            025 NM SOUTHEAST QUADRANT

                            025 NM SOUTHWEST QUADRANT

                            025 NM NORTHWEST QUADRANT

   RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT

                            040 NM SOUTHEAST QUADRANT

                            040 NM SOUTHWEST QUADRANT

                            035 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT

                            120 NM SOUTHEAST QUADRANT

                            075 NM SOUTHWEST QUADRANT

                            110 NM NORTHWEST QUADRANT

   REPEAT POSIT: 31.1N 125.9E

    ---

   FORECASTS:

   12 HRS, VALID AT:

   050000Z --- 34.3N 128.4E

   MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   BECOMING EXTRATROPICAL

   RADIUS OF 064 KT WINDS - 050 NM NORTHEAST QUADRANT

                            045 NM SOUTHEAST QUADRANT

                            035 NM SOUTHWEST QUADRANT

                            040 NM NORTHWEST QUADRANT

   RADIUS OF 050 KT WINDS - 080 NM NORTHEAST QUADRANT

                            075 NM SOUTHEAST QUADRANT

                            055 NM SOUTHWEST QUADRANT

                            065 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT

                            165 NM SOUTHEAST QUADRANT

                            100 NM SOUTHWEST QUADRANT

                            130 NM NORTHWEST QUADRANT

   VECTOR TO 24 HR POSIT: 055 DEG/ 29 KTS

    ---

   24 HRS, VALID AT:

   051200Z --- 37.3N 134.6E

   MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   BECOMING EXTRATROPICAL

   RADIUS OF 050 KT WINDS - 075 NM NORTHEAST QUADRANT

                            090 NM SOUTHEAST QUADRANT

                            060 NM SOUTHWEST QUADRANT

                            055 NM NORTHWEST QUADRANT

   RADIUS OF 034 KT WINDS - 160 NM NORTHEAST QUADRANT

                            180 NM SOUTHEAST QUADRANT

                            110 NM SOUTHWEST QUADRANT

                            110 NM NORTHWEST QUADRANT

   VECTOR TO 36 HR POSIT: 065 DEG/ 37 KTS

    ---

   36 HRS, VALID AT:

   060000Z --- 40.4N 143.3E

   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   EXTRATROPICAL

    ---

REMARKS:

041500Z POSITION NEAR 31.9N 126.5E.

TYPHOON 21W (CHABA), LOCATED APPROXIMATELY 227 NM WEST-SOUTHWEST

OF SASEBO, JAPAN, HAS TRACKED NORTHWARD AT 16 KNOTS OVER THE PAST

SIX HOURS.

MAXIMUM SIGNIFICANT WAVE HEIGHT AT 041200Z IS 32 FEET. NEXT

WARNINGS AT 042100Z, 050300Z, 050900Z AND 051500Z.//