Weather Risk

The blizzard has knocked out power to at least 215,000, grounded more than 8,800 flights, and has been blamed for 10 deaths.

At least 50 million people are in the path of a paralyzing winter storm that prompted the cancellation of thousands of flights, closed government offices, and threatens Washington with one of its worst snowfalls on record.

The state's Mesonet stretches from the shores of Lake Erie to the tip of Long Island, and it is expected to be completed by the end of the year.

The odds are good a winter storm will bring the first heavy snow from Washington to Boston starting Friday, forecasters said.

Heres where having before and after photos can be priceless.

The highest ranking for a technological risk was cyber-attack, which came in 11th place for both likelihood and impact, though it was seen as the greatest risk to doing business in North America.