超大型の非常に強い台風 第21号
10月21日23時現在
ミナミダイトウジマ 南東 230 Km
北緯24.2゜東経132.7゜ 北北東 30 km/h
中心気圧 925 hPa
最大風速 50 m/s
最大瞬間風速 70 m/s
暴風半径(25m/s以上) 南東側 280 km 北西側 220 km
強風半径(15m/s以上) 西側 1100 km 東側 950 km
2017年10月24日 15時(JST)
WARNING 240600.
WARNING VALID 250600.
WARNING IS UPDATED EVERY 6 HOURS.
GALE WARNING.
TROPICAL STORM 1722 SAOLA (1722) UPGRADED FROM TROPICAL DEPRESSION
1000 HPA
AT 11.5N 141.0E MARIANAS MOVING WESTNORTHWEST 17 KNOTS.
POSITION POOR.
MAX WINDS 35 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 150 MILES.
FORECAST POSITION FOR 241800UTC AT 14.4N 138.6E WITH 40 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1000 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
FORECAST POSITION FOR 250600UTC AT 17.3N 136.5E WITH 60 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
994 HPA, MAX WINDS 40 KNOTS NEAR CENTER.
EXTENDED OUTLOOK.
FORECAST POSITION FOR 260600UTC AT 20.5N 133.8E WITH 95 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
985 HPA, MAX WINDS 50 KNOTS NEAR CENTER.
FORECAST POSITION FOR 270600UTC AT 24.8N 132.5E WITH 140 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
980 HPA, MAX WINDS 55 KNOTS NEAR CENTER.
