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Despite what a marmot could have brought you to believe, the Beginning of spring We plan that we could be a little more complicated than expected. Even with warmer weather on the horizon, some experts now warn that the polar vortex could again make things happen before the officially of winter. Read the rest to find out more about "remarkable" polar whirlwind disruptions that could send temperatures to fall, and when you have to group together once again.

In relation: This week's winter storm could bring even more snow to these regions .

Hoping hot weather next month? You may not be lucky. New weather models indicate that disturbances of the polar vortex could hand over some of the United States in winter times around mid-March, The Washington Post reported.

These models show that the vortex will weaken suddenly or will collapse in about two weeks - a disturbance which Judah Cohen , the long -range forecaster of Verisk Atmospheric and Environmental Research, said that the newspaper will be "quite large".

This is something that many experts did not expect, because we have already seen a disturbance of the polar vortex in January.

"What is remarkable is that we have a second disturbance of the stratospheric vortex at the moment", " Andrea Lang , PhD, professor of atmospheric sciences at the University of Wisconsin in Madison, said Wapo . "Two major disruptions of the polar vortex in a season are not common. This has already happened, but it is not something that you expect to happen during a given winter season."

In relation: The new spring forecasts show which American regions will be warmer and more humid this year .

Disturbances will potentially move cold air due to a change in arctic oscillation (AO), which is a natural climate model This affects the configuration of the polar vortex, according to the National Snow and Ice Data Center (NSIDC). When the AO is positive, the cold air of the polar vortex tends to stay north. The negative phase of the AO pushes it further south. AE0FCC31AE342FD3A1346EBB1F342FCB

The long -term weather models currently suggest that the AO will become negative around March 7, which should trigger one to two weeks of cold and stormy time for those east of the rocky mountains in the middle of next month, Wapo reported.

"It would return to a colder time [for the east of the United States] in mid-March," confirmed Cohen.

In relation: "Prolonged winter" can keep things cold in these regions, predict meteorologists .

If you live in the eastern part of the United States, you could be struck in warmer weather before the polar disturbances of the vortex. During the last week of February, an area in the country extending from Dallas North to Minneapolis and East in Philadelphia is likely to see temperatures Who are more common in May or June, CNN reported.

According to the media, the heat should reach the coast east by February 28, which has summits in the 1960s for cities like Philadelphia and New York. But temperatures softer than the average in the east of the United States during the disruption of the polar vortex are expected and "in accordance with the forecasts of the weather model," said Cohen Wapo .

"A sudden major stratospheric warming is likely to occur during the first week of March" " Simon Lee A researcher at Columbia University, told the newspaper. "These events cause, on average, a negative arctic oscillation model on the surface."

Do not let the heat be wrong. Cohen reiterated that the East of the United States should always become colder after stratospheric warming - about two weeks later.

Temperatures warmer than average at the beginning of the month can even be more Deceptive if the polar vortex becomes stretched during sudden stratospheric warming. If this happens, the stretch vortex could react like an elastic and a flashing light, sending temperatures in fall further and earlier than expected, Cohen explained.

"This can lead to a faster more cold air in the east of the United States and more intense cold," said the forecaster. "This is something I look at, but for the moment I do not see any sign in the weather models. If we get a stretched polar vortex which warms up on [Sudden stratospheric warming], then a colder time can come back At the Eastern United States in the first two weeks of March. "