Advisories

WTPN31 PGTW 042100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TYPHOON 30W (IN-FA) WARNING NR 050//
RMKS/
1. TYPHOON 30W (IN-FA) WARNING NR 050    
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   041800Z --- NEAR 27.1N 138.5E
     MOVEMENT PAST SIX HOURS - 005 DEGREES AT 12 KTS
     POSITION ACCURATE TO WITHIN 040 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 064 KT WINDS - 045 NM NORTHEAST QUADRANT
                            045 NM SOUTHEAST QUADRANT
                            035 NM SOUTHWEST QUADRANT
                            045 NM NORTHWEST QUADRANT
   RADIUS OF 050 KT WINDS - 070 NM NORTHEAST QUADRANT
                            075 NM SOUTHEAST QUADRANT
                            050 NM SOUTHWEST QUADRANT
                            060 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT
                            140 NM SOUTHEAST QUADRANT
                            090 NM SOUTHWEST QUADRANT
                            100 NM NORTHWEST QUADRANT
   REPEAT POSIT: 27.1N 138.5E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   050600Z --- 30.3N 141.0E
   MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING EXTRATROPICAL
   RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT
                            030 NM SOUTHEAST QUADRANT
                            020 NM SOUTHWEST QUADRANT
                            010 NM NORTHWEST QUADRANT
   RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT
                            060 NM SOUTHEAST QUADRANT
                            040 NM SOUTHWEST QUADRANT
                            040 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT
                            150 NM SOUTHEAST QUADRANT
                            110 NM SOUTHWEST QUADRANT
                            070 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 045 DEG/ 35 KTS
    ---
   24 HRS, VALID AT:
   051800Z --- 35.2N 147.1E
   MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING EXTRATROPICAL
   RADIUS OF 064 KT WINDS - 015 NM NORTHEAST QUADRANT
                            040 NM SOUTHEAST QUADRANT
                            020 NM SOUTHWEST QUADRANT
                            000 NM NORTHWEST QUADRANT
   RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
                            060 NM SOUTHEAST QUADRANT
                            050 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 200 NM NORTHEAST QUADRANT
                            190 NM SOUTHEAST QUADRANT
                            160 NM SOUTHWEST QUADRANT
                            080 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 045 DEG/ 44 KTS
    ---
   36 HRS, VALID AT:
   060600Z --- 41.4N 155.2E
   MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   EXTRATROPICAL
   RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT
                            090 NM SOUTHEAST QUADRANT
                            070 NM SOUTHWEST QUADRANT
                            020 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 260 NM NORTHEAST QUADRANT
                            240 NM SOUTHEAST QUADRANT
                            220 NM SOUTHWEST QUADRANT
                            100 NM NORTHWEST QUADRANT
    ---
REMARKS:
042100Z POSITION NEAR 27.9N 139.1E. 04NOV26. TYPHOON 30W (IN-FA), 
LOCATED APPROXIMATELY 198 NM WEST OF CHICHI JIMA, HAS TRACKED 
NORTHWARD AT 12 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL 
PRESSURE AT 041800Z IS 978 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 
041800Z IS 30 FEET. NEXT WARNINGS AT 050300Z, 050900Z, 051500Z AND 
052100Z.//
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