WTPN31 PGTW 172100                                              2006137 2049
MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TYPHOON 02W (CHANCHU) WARNING NR 037
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   171800Z --- NEAR 23.4N 117.0E
     MOVEMENT PAST SIX HOURS - 020 DEGREES AT 10 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT
   BECOMING EXTRATROPICAL
   RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT
                                   OVER WATER
                            035 NM SOUTHEAST QUADRANT
                            020 NM SOUTHWEST QUADRANT
                            005 NM NORTHWEST QUADRANT
                                   OVER WATER
   RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
                                   OVER WATER
                            050 NM SOUTHEAST QUADRANT
                            040 NM SOUTHWEST QUADRANT
                                   OVER WATER
                            030 NM NORTHWEST QUADRANT
                                   OVER WATER
   RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT
                                   OVER WATER
                            140 NM SOUTHEAST QUADRANT
                            120 NM SOUTHWEST QUADRANT
                                   OVER WATER
                            100 NM NORTHWEST QUADRANT
                                   OVER WATER
   REPEAT POSIT: 23.4N 117.0E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   180600Z --- 26.3N 118.7E
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   EXTRATROPICAL
   VECTOR TO 24 HR POSIT: 030 DEG/ 17 KTS
    ---
   24 HRS, VALID AT:
   181800Z --- 29.2N 120.8E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   EXTRATROPICAL
    ---
REMARKS:
172100Z POSITION NEAR 24.1N 117.4E.
TYPHOON (TY) 02W (CHANCHU), LOCATED APPROXIMATELY 170 NM EAST-
NORTHEAST OF HONG KONG, HAS TRACKED NORTH-NORTHEASTWARD AT 10 KNOTS
OVER THE PAST 06 HOURS. ANIMATED SATELLITE IMAGERY AND A 171432Z
AMSU-B PASS INDICATE THAT TY 02W HAS STARTED TO MAKE LANDFALL AND
CONTINUES TO TRANSITION TO AN EXTRATROPICAL CYCLONE. MAXIMUM SIGNIF-
ICANT WAVE HEIGHT AT 171800Z IS 17 FEET. NEXT WARNINGS AT 180300Z,
180900Z AND 181500Z.//
wxtlist.k: done