Today, an entry titled "Mysterious glowing ring cloud appears in the sky over Japan" was trending on Weibo, causing heated discussions among many netizens. According to domestic media reports, recently,Clouds shaped like flying saucers were observed over Kurobe City, Toyama Prefecture, Japan, and emitted light.Local people are worried about an "earthquake cloud".
In this regard, the chief researcher of the Meteorological Research Institute of the Japan Meteorological Agency pointed out, "This cloud is not a precursor to an earthquake. Although clouds can indicate weather changes,But it cannot be a sign that an earthquake will occur. "
It is understood that this kind of cloud shaped like a "flying saucer" is a "lenticular cloud", which appears in the sky in the shape of a lens. It usually forms on the right side of the downwind and is often mistaken for a UFO.
The data shows thatLenticular clouds are a natural weather phenomenon that often appear when moist air passes over mountains.If the air cools as it passes over mountains, moisture in the air can condense into lenticular clouds.
As for the reason for the luminescence, it should be related to the refraction and reflection of sunlight in the clouds.