Super Typhoon #Chanthu (#KikoPH) has been assessed by JTWC as 155 knots 1 minute sustained winds (178 mph, 287 km/h) that's iota class on the #CycloneScale capable of extraordinary damage. Striking Batanes for the next several hours. #TyphoonChanthu #ιclass #ιclassTC pic.twitter.com/VxmFIRuC4s

— YouStorm (@YouStormorg) September 10, 2021