More rain, cold winds next week
A ridge of high pressure is forecast lie over central New Zealand on Friday and should drift slowly eastwards during the weekend.
A broad trough over the Tasman Sea is expected to approach New Zealand late Saturday. An associated front should move onto northern New Zealand during Sunday and Monday, preceded by a moist northeast flow and band of rain.
Some heavy falls are likely about Northland, northern Auckland, Coromandel Peninsula, Bay of Plenty and Gisborne during this time. There is low confidence of rainfall amounts reaching warning criteria in these areas, as indicated on the chart.
Meanwhile, another front should spread onto southern New Zealand during Sunday and spread over much of the South Island on Monday, followed by a cold southerly change. Rain is likely to affect much of the South Island during this time, with snow lowering about the ranges.
Details regarding the progress and development of the broad trough and associated fronts mentioned above are still uncertain at this stage.
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