Cold Wave

Marked cooling of the air, or the invasion of very warm air, over a large area. It is an extended period of above normal cold temperatures, a drop of atmospheric average temperature well above the averages of a region, with effects on human populations, crops, properties and services. sources: GLIDE; WMO

WMO: 2012 - Record Arctic sea ice melt, multiple extremes and high temperatures

28 Nov 2012, WMO

WMO’s provisional annual statement on the state of the global climate was released today to inform negotiators at the United Nations Climate Change Conference in Doha, Qatar. WMO will release a 10-year report on the state of the climate, '2001-2010, A decade of extremes' on 4 December 2012 to highlight the warming trend for the entire planet, its continents and oceans during the past decade, with an indication of its impacts on health, food security and socio-economic development...