Retreat of glaciers since 1850 doing so due to transient local weather conditions, which have brought more precipitation and cloudier, cooler summers since 2002. Tropical glaciers are located between the Tropic of Cancer and the Tropic of Capricorn, in the region that lies 23° 26′ 22″ north or south of the equator. Strictly, a tropical glacier is located within the astronomical tropics; the area where the annual temperature variation is less than the daily variation, and is within the oscillation area of the Intertropical Convergence Zone. Tropical glaciers are the most uncommon of all glaciers for a variety of reasons. Firstly, the regions are the
Admiral of the South, North and West with the Admiralty of the North. On 18 July 1360 King Edward III of England appointed Sir John de Beauchamp by letters patent, formally 'Admiral of the King's Southern, Northern and Western Fleets' giving him sole command of the English Navy effectively Admiral of the Fleet two further post holders would succeed Sir John de Beauchamp. In 1370 the office was left vacant and it would not be until the 17th century that you would see an office of Admiral of the Fleet re-established in 1690 on a permanent basis. Post holders include: Admiral of the South, North and West