A train of solar storms is barreling toward Earth, with four coronal mass ejections (CMEs) expected to hit over the next few days. Any potential impact could trigger impressive auroras in northern skies and possibly even at mid-latitudes.

Multiple CMEs launched from sunspot region AR4246 between Oct. 11 and 13 are forecast to reach Earth between Oct. 15 and 17, according to the National Oceanic and Atmospheric Administration's (NOAA) Space Weather Prediction Center.

The strongest disturbances are expected late on Oct. 15 into Oct. 16, when geomagnetic storming could reach G1 (minor) levels. Though G1 is the mildest category on NOAA’s five-point space weather scale, it can still cause impressive aurora shows at high latitudes such as northern Michigan or Maine. G1 storms can also cause we

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