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Christmas canceled? Solar storm heading toward Earth could shut down power grids

Millions will be dreaming by the fire soon, but a special Christmas delivery could come early. The US National Oceanic and Atmospheric Administration (NOAA) forecasts a solar storm blasting Earth any day now, according to The Sun.
A fast stream of solar wind has reportedly hit Earth’s magnetic field, generating a “moderately” strong geomagnetic storm which could last for several days, The Sun reported, citing the NOAA.

Solar storms occur when plasma from the sun is blown toward Earth in a stream of supercharged particles. Most notably, these storms create the natural phenomenon known as the Northern Lights. However, the surge of electrons can also cause interference for electronic devices and navigation systems.

The effects is similar to a massive electromagnetic pulse (EMP) caused by a nuclear weapon detonated in the sky.

In October, President Barack Obama warned of the effects a solar storm can cause, saying, “space weather has the potential to simultaneously affect and disrupt health and safety across entire continents.”

The last major solar storm happened in 1859. Called the Carrington Event, it was so strong that it shut down telegraph machines on two continents and allowed the northern lights to be visible in Africa,

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