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Weekend Rainfall & Snowfall maps – Canterbury finally gets rain, Southern Alps heavy snow

A low is crossing New Zealand over the next three days bringing rain, showers, snow and plenty of sun too. The cyclonic wind flow means northerlies turn westerly today and tomorrow for much of the upper North Island while sub-tropical rain gets pulled southwards and then curves around into the eastern South Island in an east to south east flow.

This set up means New Zealand’s driest region at the moment, Canterbury, finally gets much needed rain. Perfect timing with all other regions finally getting more normal rainfall lately now Canterbury will be catching up.

The sub-tropical nature of this southern rain makes it set in much more and soak the ground – but the colder air around the South Island at higher elevations will see heavy rain falling as heavy snow. In fact says another one metre of snow is forecast for the mountain peaks over the weekend, increasingly the avalanche risk as we head into next week.

But the same mountains and ranges encouraging rain and showers for some regions will also make for some beautiful weather. A number of regions on Sunday especially will have sunny and dry weather as the low weakens and tracks further north east away from NZ by night – some examples are the West Coast and maybe Waikato.



Guest on 19/07/2019 4:43am

haha Canterbury is getting some rain you say…. so what was 60mils in 24 hours a while back do you know where I live we have not had any more than 32 mils in 24hours this year but its ok we have lots of 10 to 15 mils and also a bout snow the NH had no snow in a winter once much but boy did it come in spring….so the snow might be late this year

WW Forecast Team on 19/07/2019 4:51am

Hi there, comments based on Government soil deficit maps from NIWA.

Thanks for the local updates and amounts – but taking it you’re not in the dry part of Canterbury then!


Guest on 19/07/2019 8:33pm

and the map two months a go

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