Coronal Hole Prompts G2 Storm Watch for Dec 4 and 5

Northern Lights Now – SWPC has issued a G2 geomagnetic storm watch for December 4th and 5th. Aurora activity is expected to increase as the high solar wind speeds associated with a coronal hole arrive at Earth. G2 storming means KP values above 5.67 – or strong enough to see aurora in upper mid-latitudes. The … Continue reading Coronal Hole Prompts G2 Storm Watch for Dec 4 and 5