weather forecasters will now need to track atmospheric dust to predict hurricanes. Dust may dampen hurricane fury, say scientists at the University of Wisconsin-Madison, studying a link between Atlantic hurricanes and thick clouds of dust that periodically rise from the Sahara Desert and blow off Africa's western coast.

Oil spill: The Sri Lankan government is still striving to deal with the oil spill that occurred in mid-September, after a Bangladeshi ship sank off the country's southern coast of Habaraduwa. The

Hurricanes and other such events that disrupt energy supplies could provide a

• South Korean scientist Hwang Woo-suk, who is standing trial on charges of fraud and embezzlement for his team's research on stem cells, has resumed work on animal cloning. He has opened a

china storm: The death toll in China caused by the tropical storm Bilis rose to around 612 with 208 missing as on July 24, 2006, says the government news agency Xinhua. About 3 million people have

Sea level changes can be of two types: (i) changes in the mean sea level and (ii) changes in the extreme sea level. The former is a global phenomenon while the
latter is a regional phenomenon. Estimates of mean sea level rise made from past tide gauge data at selected stations along the coast of India indicate a rise of
slightly less than 1 mm/year; however these estimates need to be corrected by including the rates of vertical land movements, whose measurements are not available

India being mainly an agricultural country the economy and further its growth purely depends on the vagaries of the weather and in particular the extreme weather events. The information on extreme weather events lie scattered in the scientific and technical papers and in the research work of many authors and if put together will help the research community for further analysis.

Tropical cyclones—variously defined as hurricanes, typhoons, and cyclones—regularly impact human populations and periodically produce devastating weather-related natural disasters. The epidemiology of tropical cyclones is fundamentally determined by the physical forces of massive cyclonic systems intersecting with patterns of human behavior. The destructive forces of cyclonic winds, inundating rains, and storm surge are frequently accompanied by floods, tornadoes, and landslides.

The authors in this paper present a factual and a brief review of the extreme weather events that occurred in India during the last 100 years (1991-2004). The socio-economic impacts of the extreme weather events such as floods, droughts, cyclones, hail storm, thunderstorm, heat and cold waves have been increasing due to large growth of population and its migration towards urban

An empirical model for predicting the maximum surface wind speed associated with a tropical cyclone after crossing the east coast of India is described. The model parameters are determined from the database of 19 cyclones. The model is based upon the assumption that tropical cyclone winds decay exponentially after landfall.

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