The ability of visitors to see a moonbow may vary with water level. At low levels, the falls may not produce sufficient mist for the phenomenon. Conversely, if conditions include substantial downstream wind, this may increase the level of mist and make a moonbow more likely to be visible.
The ability of visitors to see a moonbow may vary with water level. At low levels, the falls may not produce sufficient mist for the phenomenon. Conversely if conditions include substantial downstream wind, this may increase the level of mist and make a moonbow more likely to be visible