An unusual cloud pattern formed over Brisbane and southeast Queensland on August 9, 2012. According to Weatherzone meteorologist Josh Fisher, this pattern represents a signal that the weather is about to turn cold, a harbinger of cooler weather. It’s a high cloud forming ahead of a cold front that is crossing through New South Wales at the moment.
These clouds form in continuous strong winds blowing at the high altitudes. The turbulence from these strong winds creates the wave-like appearance. The clouds comprise tiny ice crystals and though it is not known how long they are going to stay around the temperature is expected to drop from a maximum of 26 degrees today to 18 degrees tomorrow.
There is some similarity with so-called “earthquake clouds”. A few scientists claim to have observed clouds associated with a seismic event, sometimes more than 50 days in advance of the earthquake. Some have even claimed to accurately predict earthquake occurrences by observing clouds. However, these claims have very little support in the scientific community.
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