Cyclone hits central US

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A cyclone bomb occurs when there is a rapid pressure drop, falling by at least 24 millibars (which measures atmospheric pressure) in 24 hours, called bombogenesis.

The massive storm is expected to invade areas such as the Rockies, the Central and Northern Plains, and the Upper Midwest, with blizzard conditions and wind speeds of 50 to 30 km / h. Abundant snow and violent storms with tornadoes and floods are other risks.

Blizzard and winter storm warnings are in effect in parts of Colorado, Wyoming, Nebraska and South Dakota. Heavy snow is forecast in parts of the Rockies and Northern Plains, including Denver until Thursday.

Movements will be dangerous, if not impossible, at times, across the firing range where the blizzard warning has been issued. Strong storms are expected to produce damaging winds, hail and tornadoes in the southern plains and in the Mississippi Valley. More than 45 million people are threatened by high winds; more than 10 million are threatened by winter storms; and more than 15 million are threatened by floods

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The National Weather Service of Boulder, Colorado, issued a direct message: "Please, cancel your travel plans Wednesday afternoon and evening, especially to the east of the island." 39, I-25, and stay tuned for more information!

He warned against icy roads, whiteout conditions and strong winds.

"The abundant snow and near-zero visibility will create extremely dangerous travel conditions, and power outages are also possible," according to the national meteorological service.

Travel and schools affected

More than 1,000 flights were canceled Wednesday, according to FlightAware. The majority of these cancellations take place at the Denver International Airport (DIA), where a blizzard warning is in effect. Southwest, Frontier and United have canceled flights and new cancellations and delays are possible, said DIA.

Several Colorado school districts, including the Denver Public Schools are closed Wednesday "due to the harsh weather and roads," the district said Tuesday.

All events and school activities scheduled for Wednesday are also canceled. Denver is under a blizzard warning and snow accumulations of 5 to 8 inches are expected.

Thunderstorms in parts of the southern plains will give way to sustained winds of 35 to 45 mph, similar to the strength of a low-altitude tropical storm. NWS has released watches for the strong wind for over 8 million people.

Gusts up to 100 mph

Wind gusts of 50 to 70 mph are expected Wednesday afternoon to Thursday morning in Colorado, New Mexico, Texas and Oklahoma, said CNN meteorologist Monica Garrett. In some areas, gusts can reach 100 mph, which equates to the wind speed of a Category 2 hurricane.

It is predicted that the storm will intensify rapidly in the Wednesday night east of the Colorado Rockies and progress slowly northeastward to Thursday, resulting in various extreme weather conditions in New Mexico. in the Midwest. Snow is expected to decrease on Thursday noon, but strong winds may persist throughout the evening.

In addition, flood warning notices were issued in the Midwest and Great Plains, fearing that heavy rains would melt the snowpack and cause significant flooding. A flash flood is possible if ice jams block rivers and streams, noted the meteorological service.

Haley Brink and Joe Sutton of CNN contributed to this report.

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