The skill of real-time predictions is, unfortunately, rather low we cannot make predictions for several days like forecasting normal weather. When the monitoring devices (e.g., magnetometers or particle detectors in a satellite) show certain deviations from the normal situation, one can expect that a space weather storm is approaching in a few hours. The latter predictions are based on a space-weather monitoring system either by ground-based devices or satellites watching the space-weather conditions around the Earth. Even in South Finland, say Helsinki, one can see them but much more seldom in Helsinki only one night out of 20. in Tromsö) one can see Northern lights almost every night.
On the coast of the Arctic Ocean in North Norway (e.g.
#Northern lights finland free#
From these statistics we can say what is the probability of the occurrence of Northern lights during the course of year.Īccording to the statistics compiled by the Finnish Meteorological Institute, four nights out of five are illuminated by Northern lights in Northern Lapland (Kilpisjärvi-Utsjoki area) providing that the sky is free enough from clouds. The former are based on a large amount of observations of Northern lights at different latitudes during several years.
There is two kind of Northern lights prediction: statistical and real-time ones.
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