** WTPQ20 BABJ 171800 *** SUBJECTIVE FORECAST TY CHANCHU 0601 (0601) INITIAL TIME 171800 UTC 00HR 23.5N 116.9E 960HPA 35M/S 30KTS 500KM 50KTS 150KM P12HR NNE 25KM/H P+24HR 28.5N 121.0E 985HPA 25M/S P+48HR 33.0N 127.0E 998HPA 18M/S= ** WTJP21 RJTD 171800 *** WARNING 171800. WARNING VALID 181800. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 0601 CHANCHU (0601) 965 HPA AT 23.5N 117.4E TAIWAN STRAIT MOVING NORTHEAST 12 KNOTS. POSITION GOOD. MAX WINDS 70 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 80 MILES SOUTHEAST SEMICIRCLE AND 60 MILES ELSEWHERE. RADIUS OF OVER 30 KNOT WINDS 260 MILES SOUTHEAST SEMICIRCLE AND 210 MILES ELSEWHERE. FORECAST POSITION FOR 181800UTC AT 30.3N 122.6E WITH 100 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 994 HPA, MAX WINDS 40 KNOTS. EXTENDED OUTLOOK. FORECAST POSITION FOR 191800UTC AT 32.9N 127.4E WITH 160 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 996 HPA, MAX WINDS 35 KNOTS. BECOMING EXTRATROPICAL LOW. JAPAN METEOROLOGICAL AGENCY.= ** WTPQ20 RJTD 171800 *** RSMC TROPICAL CYCLONE ADVISORY NAME TY 0601 CHANCHU (0601) ANALYSIS PSTN 171800UTC 23.5N 117.4E GOOD MOVE NE 12KT PRES 965HPA MXWD 070KT 50KT 80NM SOUTHEAST 60NM NORTHWEST 30KT 260NM SOUTHEAST 210NM NORTHWEST FORECAST 24HF 181800UTC 30.3N 122.6E 100NM 70% MOVE NNE 20KT PRES 994HPA MXWD 040KT 48HF 191800UTC 32.9N 127.4E 160NM 70% EXTRATROPICAL LOW = ** WTKO20 RKSL 171800 *** KMA TROPICAL CYCLONE ADVISORY NO. 12 NAME TY 0601 CHANCHU ANALYSIS POSITION 171800UTC 23.5N 117.4E MOVEMENT NE 13KT PRES/VMAX 965HPA 70KT FORECAST 12HR POSITION 180600UTC 26.1N 119.1E WITHIN 45NM PRES/VMAX 975HPA 60KT 24HR POSITION 181800UTC 29.6N 121.9E WITHIN 80NM PRES/VMAX 990HPA 37KT 36HR POSITION 190600UTC 31.4N 125.0E WITHIN 0NM PRES 995HPA KOREA METEOROLOGICAL ADMINISTRATION. ** WTPQ20 BABJ 171900 *** SUBJECTIVE FORECAST TY CHANCHU 0601 (0601) INITIAL TIME 171900 UTC 00HR 23.7N 117.2E 960HPA 35M/S 30KTS 400KM 50KTS 100KM P12HR NNE 25KM/H= ** WTSS20 VHHH 171945 *** TROPICAL CYCLONE WARNING AT 171800 UTC, TYPHOON CHANCHU (0601) WITH CENTRAL PRESSURE 965 HECTOPASCALS WAS CENTRED WITHIN 30 NAUTICAL MILES OF TWO THREE POINT FOUR DEGREES NORTH (23.4 N) ONE ONE SEVEN POINT ZERO DEGREES EAST (117.0 E) AND IS FORECAST TO MOVE NORTH-NORTHEAST AT ABOUT 16 KNOTS FOR THE NEXT 24 HOURS. MAXIMUM WINDS NEAR THE CENTRE ARE ESTIMATED TO BE 70 KNOTS. RADIUS OF OVER 33 KNOT WINDS 150 NAUTICAL MILES. RADIUS OF OVER 47 KNOT WINDS 60 NAUTICAL MILES. RADIUS OF OVER 63 KNOT WINDS 30 NAUTICAL MILES. RADIUS OF OVER 2 METRE WAVES 210 NAUTICAL MILES. FORECAST POSITION AND INTENSITY AT 181800 UTC TWO NINE POINT FIVE DEGREES NORTH (29.5 N) ONE TWO ONE POINT EIGHT DEGREES EAST (121.8 E) MAXIMUM WINDS 40 KNOTS. FORECAST POSITION AND INTENSITY AT 191800 UTC THREE FOUR POINT FOUR DEGREES NORTH (34.4 N) ONE TWO FIVE POINT SEVEN DEGREES EAST (125.7 E) MAXIMUM WINDS 25 KNOTS. FORECAST POSITION AND INTENSITY AT 201800 UTC BECOME EXTRATROPICAL LOW. ** WTSS20 VHHH 171945 *** TROPICAL CYCLONE WARNING AT 171800 UTC, TYPHOON CHANCHU (0601) WITH CENTRAL PRESSURE 965 HECTOPASCALS WAS CENTRED WITHIN 30 NAUTICAL MILES OF TWO THREE POINT FOUR DEGREES NORTH (23.4 N) ONE ONE SEVEN POINT ZERO DEGREES EAST (117.0 E) AND IS FORECAST TO MOVE NORTH-NORTHEAST AT ABOUT 16 KNOTS FOR THE NEXT 24 HOURS. MAXIMUM WINDS NEAR THE CENTRE ARE ESTIMATED TO BE 70 KNOTS. RADIUS OF OVER 33 KNOT WINDS 150 NAUTICAL MILES. RADIUS OF OVER 47 KNOT WINDS 60 NAUTICAL MILES. RADIUS OF OVER 63 KNOT WINDS 30 NAUTICAL MILES. RADIUS OF OVER 2 METRE WAVES 210 NAUTICAL MILES. FORECAST POSITION AND INTENSITY AT 181800 UTC TWO NINE POINT FIVE DEGREES NORTH (29.5 N) ONE TWO ONE POINT EIGHT DEGREES EAST (121.8 E) MAXIMUM WINDS 40 KNOTS. FORECAST POSITION AND INTENSITY AT 191800 UTC THREE FOUR POINT FOUR DEGREES NORTH (34.4 N) ONE TWO FIVE POINT SEVEN DEGREES EAST (125.7 E) MAXIMUM WINDS 25 KNOTS. FORECAST POSITION AND INTENSITY AT 201800 UTC BECOME EXTRATROPICAL LOW. ** WTSS20 VHHH 171945 *** TROPICAL CYCLONE WARNING AT 171800 UTC, TYPHOON CHANCHU (0601) WITH CENTRAL PRESSURE 965 HECTOPASCALS WAS CENTRED WITHIN 30 NAUTICAL MILES OF TWO THREE POINT FOUR DEGREES NORTH (23.4 N) ONE ONE SEVEN POINT ZERO DEGREES EAST (117.0 E) AND IS FORECAST TO MOVE NORTH-NORTHEAST AT ABOUT 16 KNOTS FOR THE NEXT 24 HOURS. MAXIMUM WINDS NEAR THE CENTRE ARE ESTIMATED TO BE 70 KNOTS. RADIUS OF OVER 33 KNOT WINDS 150 NAUTICAL MILES. RADIUS OF OVER 47 KNOT WINDS 60 NAUTICAL MILES. RADIUS OF OVER 63 KNOT WINDS 30 NAUTICAL MILES. RADIUS OF OVER 2 METRE WAVES 210 NAUTICAL MILES. FORECAST POSITION AND INTENSITY AT 181800 UTC TWO NINE POINT FIVE DEGREES NORTH (29.5 N) ONE TWO ONE POINT EIGHT DEGREES EAST (121.8 E) MAXIMUM WINDS 40 KNOTS. FORECAST POSITION AND INTENSITY AT 191800 UTC THREE FOUR POINT FOUR DEGREES NORTH (34.4 N) ONE TWO FIVE POINT SEVEN DEGREES EAST (125.7 E) MAXIMUM WINDS 25 KNOTS. FORECAST POSITION AND INTENSITY AT 201800 UTC BECOME EXTRATROPICAL LOW. ** WTPQ20 BABJ 172000 *** SUBJECTIVE FORECAST TY CHANCHU 0601 (0601) INITIAL TIME 172000 UTC 00HR 23.8N 117.3E 970HPA 30M/S 30KTS 400KM 50KTS 50KM P12HR NNE 25KM/H= ** WTPN31 PGTW 172100 *** 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.// ** WTPQ20 BABJ 172100 *** SUBJECTIVE FORECAST TY CHANCHU 0601 (0601) INITIAL TIME 172100 UTC 00HR 23.9N 117.4E 980HPA 25M/S 30KTS 350KM 50KTS 50KM P12HR NNE 25KM/H P+24HR 29.0N 121.8E 998HPA 18M/S= ** WTPQ20 BABJ 172100 CCA *** SUBJECTIVE FORECAST STS CHANCHU 0601 (0601) INITIAL TIME 172100 UTC 00HR 23.9N 117.4E 980HPA 25M/S 30KTS 350KM 50KTS 50KM P12HR NNE 25KM/H P+24HR 29.0N 121.8E 998HPA 18M/S= ** WTJP31 RJTD 172100 *** WARNING 172100. WARNING VALID 182100. TYPHOON WARNING. TYPHOON 0601 CHANCHU (0601) 970 HPA AT 24.0N 117.7E SOUTH CHINA MOVING NORTHNORTHEAST 12 KNOTS. POSITION GOOD. MAX WINDS 65 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 60 MILES SOUTHEAST SEMICIRCLE AND 40 MILES ELSEWHERE. RADIUS OF OVER 30 KNOT WINDS 260 MILES SOUTHEAST SEMICIRCLE AND 210 MILES ELSEWHERE. FORECAST POSITION FOR 182100UTC AT 31.0N 122.7E WITH 100 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 994 HPA, MAX WINDS 40 KNOTS. JAPAN METEOROLOGICAL AGENCY.= ** WTPQ20 RJTD 172100 *** RSMC TROPICAL CYCLONE ADVISORY NAME TY 0601 CHANCHU (0601) ANALYSIS PSTN 172100UTC 24.0N 117.7E GOOD MOVE NNE 12KT PRES 970HPA MXWD 065KT 50KT 60NM SOUTHEAST 40NM NORTHWEST 30KT 260NM SOUTHEAST 210NM NORTHWEST FORECAST 24HF 182100UTC 31.0N 122.7E 100NM 70% MOVE NE 15KT PRES 994HPA MXWD 040KT 45HF 191800UTC 32.9N 127.4E 160NM 70% EXTRATROPICAL LOW = ** WTPQ20 BABJ 172000 CCA *** SUBJECTIVE FORECAST STS CHANCHU 0601 (0601) INITIAL TIME 172000 UTC 00HR 23.8N 117.3E 970HPA 30M/S 30KTS 400KM 50KTS 50KM P12HR NNE 25KM/H= ** WTSS20 VHHH 172245 *** TROPICAL CYCLONE WARNING AT 172100 UTC, TYPHOON CHANCHU (0601) WITH CENTRAL PRESSURE 970 HECTOPASCALS WAS CENTRED WITHIN 60 NAUTICAL MILES OF TWO THREE POINT NINE DEGREES NORTH (23.9 N) ONE ONE SEVEN POINT FOUR DEGREES EAST (117.4 E) AND IS FORECAST TO MOVE NORTHEAST OR NORTH-NORTHEAST AT ABOUT 16 KNOTS FOR THE NEXT 24 HOURS. MAXIMUM WINDS NEAR THE CENTRE ARE ESTIMATED TO BE 65 KNOTS. RADIUS OF OVER 33 KNOT WINDS 120 NAUTICAL MILES. RADIUS OF OVER 47 KNOT WINDS 60 NAUTICAL MILES. RADIUS OF OVER 63 KNOT WINDS 30 NAUTICAL MILES. RADIUS OF OVER 2 METRE WAVES 180 NAUTICAL MILES. FORECAST POSITION AND INTENSITY AT 182100 UTC TWO NINE POINT THREE DEGREES NORTH (29.3 N) ONE TWO TWO POINT EIGHT DEGREES EAST (122.8 E) MAXIMUM WINDS 35 KNOTS. FORECAST POSITION AND INTENSITY AT 192100 UTC BECOME EXTRATROPICAL LOW. ** WTSS20 VHHH 172245 *** TROPICAL CYCLONE WARNING AT 172100 UTC, TYPHOON CHANCHU (0601) WITH CENTRAL PRESSURE 970 HECTOPASCALS WAS CENTRED WITHIN 60 NAUTICAL MILES OF TWO THREE POINT NINE DEGREES NORTH (23.9 N) ONE ONE SEVEN POINT FOUR DEGREES EAST (117.4 E) AND IS FORECAST TO MOVE NORTHEAST OR NORTH-NORTHEAST AT ABOUT 16 KNOTS FOR THE NEXT 24 HOURS. MAXIMUM WINDS NEAR THE CENTRE ARE ESTIMATED TO BE 65 KNOTS. RADIUS OF OVER 33 KNOT WINDS 120 NAUTICAL MILES. RADIUS OF OVER 47 KNOT WINDS 60 NAUTICAL MILES. RADIUS OF OVER 63 KNOT WINDS 30 NAUTICAL MILES. RADIUS OF OVER 2 METRE WAVES 180 NAUTICAL MILES. FORECAST POSITION AND INTENSITY AT 182100 UTC TWO NINE POINT THREE DEGREES NORTH (29.3 N) ONE TWO TWO POINT EIGHT DEGREES EAST (122.8 E) MAXIMUM WINDS 35 KNOTS. FORECAST POSITION AND INTENSITY AT 192100 UTC BECOME EXTRATROPICAL LOW. ** WTPQ20 BABJ 172200 *** SUBJECTIVE FORECAST TS CHANCHU 0601 (0601) INITIAL TIME 172200 UTC 00HR 24.1N 117.6E 985HPA 23M/S 30KTS 350KM P12HR NNE 25KM/H= ** WTPQ20 BABJ 172300 *** SUBJECTIVE FORECAST TS CHANCHU 0601 (0601) INITIAL TIME 172300 UTC 00HR 24.2N 117.7E 985HPA 23M/S 30KTS 350KM P12HR NE 25KM/H=