March 22: Aurora activity should continue to be fine tonight, after all, March is among the best months for aurora chasing. Check real time data regularly and watch for the aurora on-switch, Bz south under Bz value. Not much activity is seen if Bz is north.
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
