"The United States weather agency has issued a G4 geomagnetic storm watch alert, implying severe storms expected. Scientists have issued alerts for approaching solar or geomagnetic storms, which are set to hit Earth this week and will produce bright, stunning displays of light known as auroras over parts of the United States, Canada and Europe, while also temporarily disrupting some communications."
"One way is in the form of coronal mass ejections (CMEs), which are sudden swellings of gases on the sun that burst from the sun and travel at more than 1 million mph (1.6 million km/h) towards Earth. Depending on how fast they travel, these can reach the Earth anytime between 15 hours and several days."
The US National Oceanic and Atmospheric Administration (NOAA) issued a G4 geomagnetic storm watch, signaling severe geomagnetic activity on a five-level scale. Forecasters recorded significant disturbances from multiple coronal mass ejections (CMEs) in recent days. CMEs are sudden swellings of solar gases that can travel faster than 1 million mph (1.6 million km/h) and reach Earth in 15 hours to several days. Solar flares are eruptions of electromagnetic radiation that travel at light speed and reach Earth in about eight minutes. The storms will produce bright auroras over parts of the United States, Canada and Europe and may temporarily disrupt some communications. Some US residents have already shared videos of northern lights.
Read at www.aljazeera.com
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