If you live in an area at risk of winter ice storms and blizzards, you need to be prepared for a loss of power.
Power failures in the midst of heat waves or winter storms can literally be lethal.
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The increased power of these computers have made it easier to spot storms systems that could spawn tornadoes.
Thanks to a series of severe storms that clobbered electric-power grids in New York and Connecticut recently, the fuel-cell industry appears poised for a modest to massive growth spurt.
The heat wave that roasted much of the country for more than a week left scores dead and millions without power at one point -- many of them following a round of severe storms that swept the Mid-Atlantic states on June 29.
At the height of the storms more than 200, 000 homes and businesses lost power.
The millions lucky enough to survive the storms are hardly out of trouble, though, especially given the widespread power outages.
The shock has propelled some moneyed buyers to consider a new, high-tech type of residence: the self-sufficient safe house that can withstand storms and power outages.
Millions also lost power at one point or another, many of them for several days, because of severe storms that swept east from Indiana to the Mid-Atlantic states starting on June 29.
Hundreds of thousands of homes have lost power in Alabama after a nuclear plant automatically shut when its power was knocked out by the storms, although back-up systems worked, said officials.
But according to his calculations, during storms such as Monday's, the wave power potential down the 124 miles (200km) length of the Western Isles could match the output of 120 Torness-sized nuclear power stations.
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