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Widespread severe weather expected

A storm is rapidly developing northwest of New Zealand prompting MetService to issue several rain warnings.

The warnings cover Northland, Auckland, Coromandel Peninsula, Bay of Plenty, Rotorua and Gisborne,

See all current warnings here.

MetService says a low in the northwest Tasman Sea is forecast to deepen and move towards New Zealand allowing a band of heavy rain and northeast gales to sweep over northern New Zealand on Sunday night and Monday.

Streams and rivers will rise quickly and there could be surface flooding in low lying areas. The combination of heavy rain and gales are likely to make driving hazardous, cause slips in hilly areas and damage trees and powerlines.

Forecasters expect this low to cover the country and entire eastern Tasman Sea by Monday night and during Tuesday spreading gales and prolonged heavy easterly rain further south. expects more rain warnings to be issued for both the North and South Islands.

MetService warns that widespread severe weather is expected and urge people to keep up to date with weather forecasts.

In Northland, north Auckland and Great Barrier Island rain and northeast gales are forecast to spread south on Sunday evening, becoming heavy at night and before easing on Monday morning. 60 to
90mm is expected about the hills, says MetService. 

In Coromandel Peninsula, Bay of Plenty and Gisborne north of Tolaga Bay, rain and northeast gales are expected to spread east on Sunday night and Monday morning and ease in the afternoon or evening. Expect 100 to 150mm of rain near the ranges with the heaviest falls in the north of the Gisborne region, and 30 to 70mm in many low lying areas.



pete chch on 22/05/2010 6:25am

what can we expect in the way of rainfall for christchurch Phil? The normal drizzle/light rain or some reasonably intense falls?

WW Forecast Team on 22/05/2010 6:47am

We think you could be in for some heavy falls.  Watch for rain warnings being issued sometime Sunday or Monday.

– WeatherWatch

Guest on 22/05/2010 6:19am

how much rain do you think is going to fall in Kaukapakapa. Friday we already had flooding after 110mm fell in 24 hours from thursday.

WW Forecast Team on 22/05/2010 6:49am

Hard to say exactly how much – but anywhere fro 50 to 100mm.  We think this may produce less rain but heavier falls in a shorter time.

Keep an eye on the current rain warnings.


Line Mechanic on 22/05/2010 4:42am

Bring it on weather!!! I love working in these conditions.

Guest on 22/05/2010 4:38am

And at Doubtless Bay, what a beautiful day we have had, no wind, temperatures nearing the thirties,sea as flat as a pancake, hard to believe it is to turn to custard…. but all the fisherman are coming back tonight, not wanting to take shelter, rather come in, cut it all short and be safe at home???

regards Kerry
From Coopers Beach

andrew on 22/05/2010 3:53am

how it looking 4 te aroha phil? On the leeward side of these winds we should c some pretty strong damaging winds I would think? Also how does this system compare on the hurricane/cyclone scales? Looks like monday is going 2 b pretty wild hopefully all ends up ok. Cheers andrew

WW Forecast Team on 22/05/2010 5:01am

Unsure about Te Aroha at this stage… certainly a high risk of severe gales, but unsure if they will be above what locals would consider a ‘normal’ storm.

Strongest winds may be further south of Waikato.  Will have a better idea tomorrow.



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