Northern lights may dance across the United States

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[{"selector":"#anim-d5f5821b-49a2-45b7-b0e7-bca9eb4a9dc3","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3fe23c85-024d-40f4-b902-e738ecdee558","keyframes":{"transform":["translate3d(115.28663%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Days after parts of the world were impacted by the most significant solar flare in six years, NOAA’s Space Weather Prediction Center warns the Earth could be in store for more geomagnetic impacts, which includes a display of the northern lights.

[{"selector":"#anim-7c86fe3c-1431-47b6-9af8-53ffa9f08658","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4d6f3a60-4ff5-440b-b30f-a594bf67a334","keyframes":{"transform":["translate3d(115.60510%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] The agency has issued a Geomagnetic Storm Watch for increased solar activity through at least Sunday, December 17.

[{"selector":"#anim-79de88c8-3360-4b77-a3a5-bc9cdee72c52","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-dda305ff-3c3c-4b06-87df-858cb59ba3a8","keyframes":{"transform":["translate3d(115.92356%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Experts have observed multiple coronal mass ejections from the sun, which have sent particles of plasma hurling toward Earth.

[{"selector":"#anim-f51fb7a9-d2f2-4b4f-882c-2d03e134d6fc","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-0fee5939-428c-49fb-8703-428d13a1722a","keyframes":{"transform":["translate3d(115.92356%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Early indications from the agency indicate the event could reach the value of a 6 on the Kp index scale, which ranges from 0 to 9.

[{"selector":"#anim-7a326e3b-c28b-4099-ba7a-425d2a382792","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-024c26d6-1759-4657-a5ca-ab51d6cf6e08","keyframes":{"transform":["translate3d(112.42038%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Previous events of this magnitude have caused dancing colors of green, red and even purple to be visible from Seattle to Minneapolis and Buffalo, New York. Clouds and light pollution are known to interfere with viewing and can reduce the scope of where the auroras are visible from.

[{"selector":"#anim-45f4256d-4bc4-41a3-81e9-171b0f29d602","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-951b8c25-6dc5-4784-9d2e-8028ae05faca","keyframes":{"transform":["translate3d(115.92356%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Aside from producing auroras, the geomagnetic storm has the potential of impacting power grids, spacecraft and communication equipment.

[{"selector":"#anim-e93969a1-38c7-4cea-975e-f35564756af5","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f8824d02-4ed5-4dc4-a752-bc7ed1b4a298","keyframes":{"transform":["translate3d(115.28663%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] NOAA said electric transformer damage is possible, and radio signals might be susceptible to fade during a long-duration event.

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