This forecast covered the night of 2026-10-11. It stays online as a record of what was forecast. For current conditions, check the live forecast. Live aurora forecast

Greenland aurora recap: original Kp 5.7 forecast

Original forecast checked October 10 at 19:03 UTC placed Kp 5.67 in this article’s specified October 11 interval. NOAA’s planetary K index was later observed lower in that same interval; this is a global measurement, not a city visibility report.

By AuroraMe Space Weather Desk Published Oct 9, 2026, 17:40 CEST Updated Oct 11, 2026, 21:21 CEST
Aurora visibility forecast WATCH

This recap compares the original global Kp forecast with the observed planetary K index for the same three-hour interval. It is not a city visibility report.

Original forecast Kp 5.67 For 00:00–03:00 UTC on October 11
Observed planetary Kp 4.0 Same 00:00–03:00 UTC interval; not city visibility
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What happened in the original forecast window

NOAA’s planetary K index was observed at 4.0 during 00:00–03:00 UTC on October 11, below this article’s original Kp 5.67 forecast for that exact interval. This is a global geomagnetic reading, not a report of visibility in any city.

City forecast

City Forecast window
Summit Station Oct 11, 00:00–03:00 UTC (Kp 5.67)
Sisimiut Oct 10, 23:00–Oct 11, 02:00 GMT-1 (Kp 5.67)
Maniitsoq Oct 10, 23:00–Oct 11, 02:00 GMT-1 (Kp 5.67)
Tasiilaq Oct 10, 23:00–Oct 11, 02:00 GMT-1 (Kp 5.67)
Kulusuk Oct 10, 23:00–Oct 11, 02:00 GMT-1 (Kp 5.67)
Danmarkshavn Oct 11, 00:00–03:00 UTC (Kp 5.67)
NOAA northern hemisphere aurora forecast map
AuroraMe combines NOAA's Kp outlook with local forecast factors for city forecasts.

Use the local time attached to your city when planning a northern lights watch.

This article’s local windows and Kp 5.67 figure are the original forecast for its specified three-hour interval.

NOAA later observed a lower planetary K index in that same interval. This global measurement does not report city visibility.

What to do

  1. Use the city-specific three-hour peak window.
  2. Check local darkness, clouds and the live city forecast before leaving.
  3. Choose an open viewing spot away from direct lighting.

Sources and live checks

Original article figures use NOAA SWPC’s Planetary K-index forecast JSON retrieved October 10 at 19:03 UTC. NOAA’s forecast feed checked October 11 at 19:18 UTC records observed Kp 4.0 for 00:00–03:00 UTC on October 11, below the original Kp 5.67 forecast for that exact interval; this is not a city visibility report.