Thomas Patrick on Twitter: "#NorthernLights Forecast for tonight: August 17-18. A Strong (G3) geomagnetic storm is forecast to peak between 8-11pm PDT with a KP-Index of 7. Northern lights are best visible
![Forecasting the Northern Lights! 2: Kp Index,NOAA Satellites,Coronal Mass Ejections & Coronal Holes - YouTube Forecasting the Northern Lights! 2: Kp Index,NOAA Satellites,Coronal Mass Ejections & Coronal Holes - YouTube](https://i.ytimg.com/vi/hSV93dFJkaY/maxresdefault.jpg)
Forecasting the Northern Lights! 2: Kp Index,NOAA Satellites,Coronal Mass Ejections & Coronal Holes - YouTube
![Monitoring the Kp Index to See How Far South Aurora Travels for Forecast Moderate Geomagnetic Storm Impacting Earth Now Monitoring the Kp Index to See How Far South Aurora Travels for Forecast Moderate Geomagnetic Storm Impacting Earth Now](https://weatherboy.com/wp-content/uploads/2022/04/KPillustration.jpg)
Monitoring the Kp Index to See How Far South Aurora Travels for Forecast Moderate Geomagnetic Storm Impacting Earth Now
![Stalking the northern lights: Tips to predict, follow and photograph the aurora borealis - Lagniappe (LAN-yap) = A little bit extra Stalking the northern lights: Tips to predict, follow and photograph the aurora borealis - Lagniappe (LAN-yap) = A little bit extra](https://marionowen.files.wordpress.com/2013/12/img_9207-aurora.jpg)