The Australian Bureau of Meteorology just released (December 17th) a special statement concerning recent extraordinary rainfalls that occurred in the southwestern portion of Western Australia on December 10-13 (last week). All-time 24-hour precipitation records were broken at several locations when more than 8” (200 mm) of rain fell in less than 24 hours.
The area most impacted was the Bunbury to Collie region located about 80 miles south of Perth. Collie measured 157.2 mm (6.19”) on December 13th(126 mm/4.96” of which fell in just 12 hours). The town not only smashed its previous December daily rainfall record of 42 mm/1.65” (set on December 24, 1987) but also broke its greatest 24-hour rainfall for any month in a 106-year long period of record. The amount also broke its December monthly record of 80.6 mm (3.17”) set in 1913. This portion of Australia has a pleasant Mediterranean climate similar to the California south coast. Perth is Australia’s 4th largest city with a population of 1.8 million and is often cited as one of the world’s best places to live. It has an annual average rainfall of about 850 mm (33.5”) but December is normally one of its driest months with an average of just 13 mm (0.5”). So one can see how extraordinary this event is for the time of year. Ironically, the 2nd greatest rainstorm to occur in the region over the past 100 years happened almost exactly one year ago on December 11, 2011. The article I information from was http://ascendingstarseed.wordpress.com/category/earth-changes/hurricanes-and-severe-weather/ by Susan Rennison.
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