November 30: Activity decreases as Earth exits fast solar wind from a coronal hole. Decent Northern Lights likely tonight, if Bz remains south. So keep an eye on the Bz value under Real Time Space Weather Data below. When south, aurora intensifies even if activity is low. If north, aurora is weak. Follow us on Instagram for latest updates.
Probability of aurora
When the Bz value points south, aurora is active. Faster solar wind expands the auroral oval. Higher density leads to more colourful displays.
Record of measurements at Leirvogur for the past 6 hours.
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The chart shows 3 day forecast of the Kp-index with hourly interval
The chart shows the largest daily Kp-index value