Severe solar storm may stress power grids as U.S. deals with major hurricanes NPRA severe geomagnetic storm could cause colorful auroras over Northern California and Alabama CNNU.S. Issues Solar Storm Watch After Large Outburst From the Sun The New York TimesA ‘severe’ Earth-bound solar storm could bring northern lights far south The Washington PostSevere solar storm could supercharge auroras across US, impact power grids, NOAA warns Space.com