The Kp number is a system of measuring aurora strength. It goes from 0 to 9 (0 being very weak, 9 being a major geomagnetic storm with strong auroras visible). So when your looking at the aurora forecast, you want to see high Kp numbers. . 📸@matt.ferr . . #aurora #auroraborealis #igloo #northernlights #traveller #romantic #wanderlust #aroundtheworld #instatravel #travellingideas #bestofthebest #scandinaviatravel #lyngennorth #spakenes #northernnorway #norge #visitnorway