
Arctic Mirage (Hillingar) | Geophysical Institute
Apr 3, 2025 · In the arctic mirage a distant object appears right way up but higher up than the actual location. Though arctic and desert mirages seem to be quite different, they share a …
The Highest Mirage in North America | Geophysical Institute
Mar 2, 1995 · Is the Great One a grand illusion? Is the tallest mountain in North America a mirage? A friend recently told me that the Mount McKinley we see as a huge lump on the …
Fata Morgana | Geophysical Institute
Mar 13, 2025 · Fata Morgana, also known as Morgan le Fay, was a fairy enchantress skilled in the art of changing shape. In one traditional story she was King Arthur's sister and learned many …
Mirages | Geophysical Institute
Apr 3, 2025 · Even when the air is stagnant, there is enough air movement to cause the mirage images to come and go rapidly. Unfortunately, the same layering that gives us glorious …
Tanana Valley Mirages - Geophysical Institute
Jan 23, 2025 · The Arctic mirage is a different story altogether. During inversion conditions in the Tanana Valley, there is a layer of dense, cold air next to the ground with warmer air overlying …
The Parry Arc - Geophysical Institute
Jan 9, 2025 · Was this a mirage, the northern lights or what? A possible explanation is the Parry arc named after the explorer, W. E. Parry, who first reported seeing the phenomenon while …
Unusual Events in the Sky | Geophysical Institute
Mar 27, 2025 · Fireball meteors, auroras, noctilucent clouds, mirage phenomena, atmospheric dust, city lights reflected from clouds, earthquake lights, lightning, forest fires, ice crystals and …
Death of a Temperature Inversion | Geophysical Institute
Jan 29, 2004 · By Ann’s Greenhouses, less than one mile later, the temperature was plus 8. We stopped at a pullout near Ann’s and noticed that the spruce trees on the hillsides seemed to …
Names and Definition of the Aurora | Geophysical Institute
Mar 27, 2025 · The Northern Lights and the aurora borealis are two names for the same thing. The term aurora borealis was first used by Galileo in 1619 to suggest the likeness of the …
Ruminations on Alaskan Marvels from 41 Years Ago
Apr 3, 2025 · This kept on intermittently for four days; then the real ship did pull into the roadstead, dropped its hook, and the natives went out in their umiaks to barter. When the …