Polarglow: Aurora Alerts

Know tonight's chance of seeing the aurora where you are, and never miss a storm night. Polarglow reads the sky over you: the chance of aurora overhead, the clouds and the darkness, side by side, over a live sky that moves with tonight's Kp. The Kp forecast for the next three nights shows which night is worth staying up for. FREE - Tonight's chance for your rough area, with clouds and darkness - The current Kp and the three-day Kp forecast - One alert when a strong storm (G3 or stronger) reaches you POLARGLOW PLUS - The storm-night tracker: a Live Activity on your Lock Screen and in the Dynamic Island that starts on its own, follows the storm and leaves at dawn - Alerts for your own sky: your threshold, only when it is dark, only under a clear sky - Up to 5 places: home, the cabin, the trip next month PRIVATE BY DESIGN Your exact location never leaves your iPhone. Only a rough area of…