00:00Forecasters are tracking a potentially catastrophic derecho,
00:03a fast-moving wall of hurricane-force straight-line winds.
00:06It could slash through 15 states over the next three days.
00:10The storm may cause billions of dollars in damage.
00:13Millions of people could be left without power.
00:16A derecho is not a tornado.
00:18It does not spin.
00:20Instead, it levels everything in its path across hundreds of miles.
00:24Wind speeds can reach 100 miles per hour or more.
00:27Trees are snapped at the trunk.
00:29Roofs are peeled back.
00:31Transmission towers collapse.
00:33The storm is expected to form over the Great Plains tonight.
00:36Then it will race east.
00:38The path includes Kansas, Missouri, Illinois, Indiana, Ohio, and Pennsylvania.
00:45Forecasters say it could arrive by Wednesday morning.
00:48In 2012, a massive derecho killed 29 people.
00:52It caused $3 billion in damage across nine states in just one day.
00:57Meteorologists say the current setup carries similar energy.
01:00If you are in the projected path, prepare now.
01:03The risk zone stretches from Nebraska to Virginia.
01:07Secure loose outdoor objects.
01:09Charge your devices.
01:11Know where your emergency shelter is.
01:13deteriorating departments.
01:13The window to prepare is closing fast.
01:15The window to prepare is closing fast.
01:16crowds�� withessen
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