Solar Flare

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The most powerful geomagnetic storm possible hit Earth late Tuesday night, threatening power outages, airline communications and some satellites.

Space weather forecasters at a federal laboratory in Boulder ay he first pulse of highly charged particles from the sun collided³ith Earth's magneti field at eleven p-m Mountain Standard Time.

That was about 12 hours earlier than predicted.

The storm is rated a G-Five, the highest intensity on scientists' scale of space weather.

The last time a G-Five storm hit Earth was in 1989. That damaged the power grid and caused electrical blackouts in Canada's Quebec province.

There were few immediate reports of damage related to the geomagnetic storm.