Winter rains have failed so far in Perth with the city only picking up 194mm so far this season. Dry and sunny weather with Spring-like temperatures is expected to continue for another week, so it’s possible that this could end up being Perth’s driest Winter on record. The driest Winter on record for Perth in 2006 saw the city receive only 230mm of rain. Winter rains normally amount to 481mm so as you can see, Perth is struggling.
Meanwhile in the east, La Nina conditions are strengthening. We can’t officially call it a La Nina until we’ve experienced these conditions for a few months, but it’s almost certain that 2010 will be classified as a La Nina year. A La Nina event is typically characterised by above average rainfall across northern and eastern Australia.
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