RT @NASASolarSystem: NASA is advancing two new heliophysics mission concepts! ☀️🚀

CINEMA — nine satellites to study Earth’s magnetosphere and plasma energy flows 🌎⚡

CMEx — exploring the Sun’s chromosphere and drivers of space weather ☀️💥

These missions will deepen our understanding of space weather & its effects on Earth and space systems. More: https://t.co/dttvIBtYcP

NASA Earth

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RT @NWS: Here is a look at what high temperatures will look like across the nation on Saturday and Sunday.

Much above average temperatures are forecast from the West coast, through the Southwest, Great Basin, Rockies and into the Southern Plains. The exception continues to be the Central California Valley where low clouds and fog are expected to remain stuck, keeping temperatures much cooler than surrounding cloud free areas.

In contrast much colder temperatures are in store across the north central to northeastern tier. The coldest temperatures will be across the Northern Plains, Upper Mississippi Valley, and Mid-West

NOAA

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An extended period of bitter cold is forecast for Alaska that may last into early January. Southeastern Alaska may see temperatures as low as -20 to -40 F and dangerous wind chills. Visit https://t.co/qxae4Hdcim for more information. https://t.co/N5PFOyNArq

NWS Climate Prediction Center

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