CAN CLOUDS USE FOR SHORT TERM PREDICTION - Sichuan Earthquake

Yesterday night, news reported that before Sichuan had earthquake, they saw lots of rainbow clouds in the blue sky.

The picture was taken from the video in the news report; there are more than 1 rainbow clouds in the sky.
The citizens of Sichuan believe that there are know as “earthquake cloud” which is the tell-tale sign of earthquake is coming.

Report shown these are only just rainbow cloud and not “earthquake cloud”!
It looks like a rainbow that's been set on fire, but this phenomenon is as cold as ice.
The arc isn't a rainbow in the traditional sense—it is caused by light passing through wispy, high-altitude cirrus clouds. The sight occurs only when the sun is very high in the sky (more than 58° above the horizon). What's more, the hexagonal ice crystals that make up cirrus clouds must be shaped like thick plates with their faces parallel to the ground.

When light enters through a vertical side face of such an ice crystal and leaves from the bottom face, it refracts, or bends; in the same way that light passes through a prism. If cirrus’s crystals are aligned just right, the whole cloud lights up in a spectrum of colors.
This particular arc spanned several hundred square miles of sky and lasted for about an hour.

These 2 pictures are known as “earthquake cloud”. The cloud in the sky had form into a long snake.

For years, considered a mystery to science with unknown form of genesis, strange cloud formations have been thought to precede earthquakes. Even Chinese and Italians were aware of unique clouds that gave sign preceding large earthquakes. Yet these clouds form days before earthquake.

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