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Western storms pouring rain into cities like Los Angeles and snow in the Sierra Nevada will continue Thursday to the east.
The first storm is expected to bring 2 to 4 inches of snow on Thursday and Friday, from Indiana to eastern Pennsylvania and then to the northeastern interior.
On Friday, the main metropolitan areas on the east coast are likely to face light snow during daily commutes. The storm is expected to move so fast that accumulations are expected to remain low in New York and Boston.
The Second Storm is a Much More Powerful System
The next storm is leaving the Rockies and will begin to fall. snow late Friday through Kansas.
The winds could blow up to 35 km / h, which would cause wind and melting snow until Saturday night.
The lower lanes heading further east, from l9 to l960. hot air may mingle in the south. At present, it is not clear exactly what the limit will be between rain and snow. A model released Tuesday by the National Meteorological Service shows a mix of winter in cities such as Saint-Louis, but a model presented early Wednesday has instead focused on the snow.
The type of precipitation expected for the metropolitan areas of the Northeast is not clear. but forecasters expect a significant amount from Saturday to Sunday on the east coast.
According to the latest forecasts, New York will see the snow begin Saturday night, which will result in a winter mix and possibly rainy. Sunday.
The extreme cold will affect most of the American continent
Behind this second storm, intense cold will invade much of the eastern half of the United States.
The Sunday highs in the Kansas City area – where the Chiefs will host the New England Patriots in the AFC Championship game – will be in adolescence.
The National Weather Service warned that "people planning outdoor activities this weekend should be prepared for potentially dangerous conditions if exposed to the elements and dressed accordingly"
Extreme Cold follows the storm and spreads to the rest of the city. Eastern United States Monday.
The National Weather Service in Boston said to expect "a roller coaster of temperatures below this part of the forecast" and "at a long period of temperatures well below normal at the beginning of the next week".
Keep hand warmers on hand as temperatures will not be below average on Sunday and Monday.
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"This winter, the jet stream has traveled the United States horizontally, certainly there have been ups and downs, but nothing comparable to what will happen" said CNN meteorologist Chad Myers.
"From here next week, the jet stream will flow from Fairbanks, Alaska to Texas, so, for example, next Saturday, Anchorage will be 32 years old and Chicago will have 13".
This Arctic air will spread all over the country later to southern Florida next week, leaving most of the continental United States below average temperatures.
Monica Garrett from CNN contributed to this report.
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