The storm is forecast to accelerate overnight east of the Colorado Rockies. Then it goes slowly through the northeast to northeast and brings extreme weather from New Mexico to the Midwest.
In the midst of Kansas, when it reaches its mid-point peak, gusts of up to 100 km / h are possible, as are the storm toys with a record low for sea-level pressure, which is an indicator of storm power.
Heavy snow is expected in parts of the Rocky Mountains and the northern lowlands, with one or more feet falling in many areas.
The snow should clear at noon on Thursday afternoon, but strong winds will continue throughout the evening.
Hurricane gusts can hit the southern plains
Thunderstorms overnight across the southern plains will last Wednesday for sustained winds of 35 to 45 miles per hour, similar to the strength of a low tropical storm do. The National Weather Service has released high wind clocks for more than 8 million people.
Even stronger gusts of 50 to 70 km / h are expected from Wednesday afternoon to Thursday morning in Colorado, New Mexico, Texas and Oklahoma, the CNN meteorologist, Monica Garrett said. In some areas gusts could reach up to 1
Widespread blackouts will be a significant problem.
Dumping rain and snowmelt could flood the Midwest
 Parts of the Midwest on Wednesday are expected to be heavy rains a great concern after the recent record snowfall.
It is predicted that snowfall will occur in these areas by Wednesday evening.
More severe storms are expected to hit the south
Further south, strong winds, heavy hail and some tornadoes on Tuesday are possible from southeastern New Mexico to western Texas.
As The system is pushing east, another round of spring storms is in progress. The main concern is to damage the wind, and a brief tornado activity is possible.
Parts of Louisiana and Arkansas face a mild risk of thunderstorms on Wednesday, the Storm Prediction Center said. Risk shifts to Mississippi, Tennessee and Alabama on Thursday.