Snow removal equipment is used to clear the runways at Baltimore Washington International Thurgood Marshall Airport outside Baltimore, Maryland February 13, 2014. A deadly and intensifying winter ... more 
Snow removal equipment is used to clear the runways at Baltimore Washington International Thurgood Marshall Airport outside Baltimore, Maryland February 13, 2014. A deadly and intensifying winter storm packing heavy snow, sleet and rain pelted a huge swath of the U.S. east coast on Thursday, grounding flights and shuttering schools and government offices. REUTERS/Gary Cameron (UNITED STATES - Tags: ENVIRONMENT TRANSPORT) less 
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Reuters | Photo By GARY CAMERON / Reuters
Thu, Feb 13, 2014 2:01 PM EST