Global insured losses from natural catastrophes and man-made disasters in 2013 totaled about $45 billion, down significantly from 2012 losses of $81 billion, according to a report by Swiss Re Ltd. USA Today reported economic losses because of disasters were about $140 billion in 2013, down from $196 billion in 2012, according to the Swiss Re sigma report. In the United States, thunderstorms and tornadoes in May caused insured losses of $1.8 billion, while severe thunderstorms, tornadoes and hail later that same month caused insured losses of $1.4 billion. A winter storm bringing ice, tornadoes and heavy rain in April resulted in insured losses of $1.2 billion.