Heavy rain fall over the past three days has affected many areas of north Wales and the River Clywedog is reported to be swollen.

BBC: Wrexham river death: Police find second body

Meteorologist Jeff Masters notes today that although the storm surge has pushed salt water from the Gulf as far as 314 miles upstream, all the rain expected to fall north of New Orleans in the coming days will help raise near record-low water levels on the river and flush the salt water back out.

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