Beaufort scale the extension to 17 noted above. China also switched to this extended version without prior notice on the morning of 15 May 2006, and the extended scale was immediately put to use for Typhoon Chanchu. Hong Kong and Macau retain force 12 as the maximum. In the United States, winds of force 6 or 7 result in the issuance of a small craft advisory, with force 8 or 9 winds bringing about a gale warning, force 10 or 11 a storm warning ("a tropical storm warning" being issued instead of the latter two if the winds relate to a tropical
Cyclone Kyrill Aberdaron on the Lleyn peninsula, 122 km/h (76 mph) at Mumbles near Swansea and winds of 101 km/h (63 mph) at St Athan in the Vale of Glamorgan. The German Meteorological Service had advised people to stay indoors and avoid unnecessary trips on 18 January, and wind strengths of up to 12 on the Beaufort scale were seen across the Netherlands and Germany as the storm made landfall. The storm moved across the German states of Lower Saxony, Bremen, Hamburg, Schleswig-Holstein and North Rhine-Westphalia first, then spread across the whole country in the evening hours of 18 January. Wind gusts