Severe geomagnetic storm may produce Northern lights over Calif. SFGATE'Severe' solar storm could trigger Northern Lights as far south as Alabama Friday night Fox Weather Giant sunspot could bring northern lights to Massachusetts CBS BostonAn aurora may shimmer across Louisiana night sky as space forecasters issue rare solar warning NOLA.comNorthern Lights in MN could be very active on Friday due to 'severe' storm FOX 9 Minneapolis-St.