What happened on 2026-08-12
The storm came in below the forecast. NOAA's observed planetary K index peaked at 2.7, under the forecast peak of Kp 5.0 this brief was based on.
This event is over. For the next viewing chance, check the live 72-hour forecast for your city — conditions change every few hours.
Yes, the northern lights are possible in Greenland. Qaqortoq leads with 41%, followed by Nanortalik at 37%, Narsarsuaq at 36% and Prins Christian Sund at 32%. Clouds can block the view, so check the live city forecast before heading out.
City forecast — 2026-08-12
| Country | City | Forecast window | Visibility call | Cloud risk |
|---|---|---|---|---|
| Greenland | Qaqortoq | 2026-08-12, around Aug 12, 05:00 GMT-1 | Possible | Check live cloud layer |
| Greenland | Nanortalik | 2026-08-12, around Aug 12, 05:00 GMT-1 | Possible | Check live cloud layer |
| Greenland | Narsarsuaq | 2026-08-12, around Aug 12, 05:00 GMT-1 | Possible | Check live cloud layer |
| Greenland | Prins Christian Sund | 2026-08-12, around Aug 12, 05:00 GMT-1 | Possible | Check live cloud layer |
City Aurora Scores for this Kp 5.0 event
Probabilities combine the Kp forecast with each city's visibility threshold, darkness window and cloud outlook at generation time. Live values on each city page override this snapshot.
Countries and cities in the aurora zone
Greenland
- Forecast window
- 2026-08-12, around Aug 12, 05:00 GMT-1
- Move
- If choosing among the listed locations, prioritize Qaqortoq, then Nanortalik or Narsarsuaq. Check the live city forecast before moving because clouds can block the view.
This alert names cities because tonight’s northern lights chance varies by location.
Qaqortoq has Greenland’s strongest listed chance at 41%, with its best local time at Aug 12, 05:00 GMT-1. Nanortalik follows at 37% for the same local window.
Narsarsuaq has a 36% chance, while Prins Christian Sund has a 32% chance, both at Aug 12, 05:00 GMT-1. Clouds can block the view in any listed city, so check the live city forecast.
What to do — 2026-08-12
Save your city in AuroraMe.
Check the live city forecast before the window.
Choose the strongest listed city if travel is practical.
Sources and live checks
This brief is based on the AuroraMe 72-hour city forecast, NOAA SWPC Kp, OVATION and local visibility factors.