A deluge of rain has provided parts of the Pilbara with more than 80 percent of the annual rainfall in a day, leading to flooding and cutting off roads.
The heaviest rain was in the 24 hours to 9am today. Roebourne had 224mm, its heaviest rain in 68 years and the second heaviest in over 100 years of records. Karratha had 209mm, a seven-year high.
Port Hedland's 130mm is a 10-year high and it heaviest June rain in more than 70 years. Port Hedland is now having its wettest June in more than 70 years with 252mm so far this month.
Further inland at Marble Bar, 76mm was recorded, its heaviest rain in four years and heaviest June rain in 84 years. In June 1929 104mm fell in a day. This recent rain has taken Marble Bar's June total to 202mm, making this its wettest June in over 100 years. The previous wettest June was in 1968 when 168mm fell.
A low pressure trough drawing moist tropical air has been active over the region, bringing further rain and thunderstorms east from about Port Hedland today. The trough will slip further east on Wednesday, taking rain to the Kimberley and Northern Interior for a couple of days before weakening, allowing clear skies to return to all of northern WA this weekend.
© Weatherzone 2013
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