since the 2000 pacific typhoon season, the guy carpenter asia-pacific climate impact centre (gcacic), of the city university of hong kong (cityuhk), have issued forecasts of activity for each upcoming typhoon season. on may 4 and july 5, 2011, the gcacic issued forecasts which predicted the amount of tropical cyclones, tropical storms and typhoons there would be during 2011 as well as for how many tropical cyclones will make landfall on china or pass within 100 km (60 mi) of the korean peninsula or japan.