"Disturbion polar vortex" will send American temperatures to fall - here when
Experts say that the recent sweet weather does not yet point out the end of winter.
Even in February, an extent of non -seasonal time can be sufficient to believe that winter could be released earlier than usual. But as we have seen this year, the conditions can change almost instantly to bring back freezing temperatures And even snowfall. Now meteorologists say that there is evidence that a "disruption of the polar vortex" will send temperatures in the United States, read the rest to see when you can probably expect the mercury starting to drop and what Point it could be cold.
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Changes in the "polar vortex" can bring very low temperatures.
People in most areas are already associated with much cooler conditions. But in some cases, radically fresh temperatures can be caused by a change in "polar vortex".
Winter weather is generally stabilized by An air flow Sunching west to the east in the upper atmosphere that helps prevent the Arctic's icy temperatures from flowing into latitudes plus southern, according to the National Weather Service (NWS). However, disturbances can sometimes weaken , allowing the cooler aircraft to push in the continental United States
This winter has already seen some cases of atmospheric changes leading to Widespread cold hostels , even well in the southern and southeast typically soft regions. But after having bounded at much milder temperatures, forecasts suggest that another thrill could be on the way. AE0FCC31AE342FD3A1346EBB1F342FCB
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A forecast model predicts colder temperatures around the middle of this month.
It may not yet be time to make these heavy coats. According to Judah Cohen , Director of seasonal forecasts for atmospheric and environmental research Verisk, the forecast models currently show that a "disturbance of the polar vortex" could be on the horizon , Reports Mlive.
The latest short -term prospects show the progress of cold polar air in the following two weeks in which a concentrated whirlwind surrounded by a high pressure system begins to stretch around February 15. Five days later, the model shows the system of division and change of the system its trajectory to send colder air to the north of the United States
From that moment, the mercury seems to fall. A map of temperature forecasts from February 16 to February 20 shows that large expanses of the Midwest, Northeast and Northern Southeast areas could see temperatures of about five degrees colder than the average-which means That some places could be well below freezing.
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Other models see a similar trend - which could mean more strong snowfall if the conditions are met.
Cohen was not alone in his prediction of a mid February . During a segment on February 2, the time meteorologist Fox Britta Merwin estimated that "we have a little more winter time to pass" before the start of the real spring thaw - which could also affect the chances of snow in certain parts of the country.
To illustrate its point, Merwin spoke of the seasonal forecasts of the National Oceanic and Atmospheric Administration (Noaa), which, she said, could be misleading by calling a little Warm than medium temperatures Overall in February for a large part of the United States
"It is an average for the whole month-[as in] every day of February, we will add the temperatures and divide it by the number of days," she explains. "This does not mean that you are not going to be cold, it means that the majority of this will be hot, so we can always look cold."
She then underlined the IT models anticipating a drop in temperatures in the middle of this month due to a polar disruption of the vortex.
"This means that the Arctic Air will detach from the poles and move to the northern part of the United States," said Merwin. "This is essential for winter times in regions like the great lakes in the Northeast. We have to bring this Arctic air into the country so that we can get large snowstorms."
Meteorologists say that the chances of brutal winter time will probably decrease after February.
But although the next cold snap can remind us that spring is still in weeks, there may not be much on the other side. Merwin stresses that winter winding is starting to reduce the probability of colder and snowy weather in most regions.
"The angle of the sun, for example-we are going to go to the spring, and every day becomes more and more [and] we get more sun," she explained during the February 2 segment. "We are fighting to find the cold air, and it becomes more difficult to make larger snowstorms for many regions in the United States while we enter in March."
Other extensive forecasts predict that certain areas will obtain early warmth While others will have to wait a little longer. According to Accuweather, some parts of the northern level could see an earlier spring, while those in the Corner Four region could see a little prolonged winter . Those in the Southeast could also see a slower transition than usual in March, with a warmer weather which does not take off before the second half of the month.
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