Gregory's Server
Weather Alert -
Eastern Australia - Wide spread Explosive Storms Xmas Eve to Boxing day.
From Nothern Qld to Southern Vic
For all those traveling, camping, boating or just out and about, stay safe.
The spell of explosive thunderstorms will result from an unusual weather pattern in late December — polar air currently escaping from Antarctica will drift directly over south-east states from Christmas Eve to Boxing Day.
One measure of storm potential is called Convective Available Potential Energy (CAPE), and the higher the CAPE, the more energy is available for a thunderstorms to grow.
During a standard Australian storm day, CAPE can often reach about 500 to 1,000.
However, modelling of CAPE for this Christmas is forecast to reach up to about 3,000, comparable to instability seen during infamously destructive storm outbreaks across the US plains — the most severe storm-prone region on Earth.
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