A severe geomagnetic storm could cause colorful auroras over Northern California and Alabama CNNNorthern Lights Forecast Upgraded To ‘Severe’ For Half Of The U.S. — When To See Aurora This Week ForbesNorthern lights could be visible in Wisconsin as part of a ‘very rare’ solar storm this week Milwaukee Journal SentinelNOAA issues severe geomagnetic storm watch for only the second time in nearly 20 years OregonLiveU.S. Issues Solar Storm Watch After Large Outburst From the Sun The New York Times