> From the WeatherWatch archives
A storm is forming in the sub-tropics and is forecast to significantly deepen in the next 24 hours, bringing strong winds and heavy rain to northern New Zealand.
“The depression formed in the past day or so and is starting to organise itself into a system that will bring rough weather to Northland especially” says the Radio Network’s head weather analyst Philip Duncan. “Cloud has already started to build from Auckland northwards with the system dragging in humid air from south of Fiji, which is bringing in a few showers north of Auckland”.
Rain will start late Saturday in the Far North spreading to Auckland early on Sunday morning. Strong north easterlies are likely to reach gale force in the Far North on Sunday with gusts to gale force along the east coast as far south as Auckland. Heavy rain will spread eastwards on Sunday affecting Coromandel, Bay of Plenty and Gisborne. On Monday the rain will move into Hawke’s Bay with strong to gale force southerlies spreading over the North Island.
“The South Island is still under the grip of a large high which adds to the pressure gradient between the two systems – making stronger winds over the North Island”.
Duncan says heavy rain warnings will be issued for Northland tomorrow and he expects the government will issue warnings for Coromandel and Gisborne too. “It’s unclear if wind warnings will be issued as well, but it’s going to be a wet, windy weekend for northern New Zealand and mainly calm and dry weekend for the South Island”.
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