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GENEVA (Reuters) - The world experienced a series of record-breaking weather events in early 2007, from flooding in Asia to heatwaves in Europe and snowfall in South Africa, the United Nations weather agency said on Tuesday.
The World Meteorological Organization (WMO) said global land surface temperatures in January and April were likely the warmest since records began in 1880, at more than 1 degree Celsius higher than average for those months.
There have also been severe monsoon floods across South Asia, abnormally heavy rains in northern Europe, China, Sudan, Mozambique and Uruguay, extreme heatwaves in southeastern Europe and Russia, and unusual snowfall in South Africa and South America this year, the WMO said.
"The start of the year 2007 was a very active period in terms of extreme weather events," Omar Baddour of the agency's World Climate Program told journalists in Geneva.
While most scientists believe extreme weather events will be more frequent as heat-trapping carbon dioxide emissions cause global temperatures to rise, Baddour said it was impossible to say with certainty what the second half of 2007 will bring.
"It is very difficult to make projections for the rest of the year," he said.
The Intergovernmental Panel on Climate Change (IPCC), a U.N. umbrella group of hundreds of experts, has noted an increasing trend in extreme weather events over the past 50 years and said irregular patterns are likely to intensify.
South Asia's worst monsoon flooding in recent memory has affected 30 million people in India, Bangladesh and Nepal, destroying croplands, livestock and property and raising fears of a health crisis in the densely-populated region.
Heavy rains also doused southern China in June, with nearly 14 million people affected by floods and landslides that killed 120 people, the WMO said.
England and Wales this year had their wettest May and June since records began in 1766, resulting in extensive flooding and more than $6 billion in damage, as well as at least nine deaths. Germany swung from its driest April since country-wide observations started in 1901 to its wettest May on record.
Mozambique suffered its worst floods in six years in February, followed by a tropical cyclone the same month, and flooding of the Nile River in June caused damage in Sudan.
Uruguay had its worst flooding since 1959 in May.
Huge swell waves swamped some 68 islands in the Maldives in May, resulting in severe damage, and the Arabian Sea had its first documented cyclone in June, touching Oman and Iran.
Temperature records were broken in southeastern Europe in June and July, and in western and central Russia in May. In many European countries, April was the warmest ever recorded.
Argentina and Chile saw unusually cold winter temperatures in July while South Africa had its first significant snowfall since 1981 in June.
The WMO and its 188 member states are working to set up an early warning system for extreme weather events. The agency is also seeking to improve monitoring of the impacts of climate change, particularly in poorer countries which are expected to bear the brunt of floods, droughts and storms.