October 10: Coronal mass ejection has impacted Earth! Solar wind speeds are around 700 km/s and strong and severe storms (G3-4) are predicted, great Northern Lights extremely likely tonight as long as Bz level is south. Check real time data regularly (watch especially for Bz south) and keep your eyes on the skies from twilight (20:00).
The likelihood of aurora activity increases when the needle points to the red zone
A short-term forecast on the likelihood of seeing aurora.
Record of measurements at Leirvogur for the past 24 hours.
The chart shows 3 day forecast of the Kp-index with hourly interval
The chart shows the largest daily Kp-index value
