Guest blog: Be Sunsmart this Summer

This guest blog was produced by Cancer Society NZ.

Sunburn now could lead to melanoma skin cancer later in life – no matter what your age or skin type.  This is a lesson learnt too late and it can be started early by educating children to become Sunsmart savvy.

Tropical Cylone Tuni forecast to track northeast of Niue on Monday

By Emma Blades, Meteorologist

Tropical Cyclone Tuni was located 270km south of Samoa today at 1pm (New Zealand local time). It remains a category one cyclone, although the central pressure has deepened slightly in the past six hours to 991hPa. Winds close to the centre are still expected to be a sustained 75kph.

Tropical Cylone Tuni passes Samoa and is tracking southeast

By Emma Blades, Meteorologist Tropical depression TD03F was upgraded to a category one cyclone yesterday evening and named Tropical Cyclone (TC) Tuni by the Fiji Met Service. On Saturday evening TC Tuni passed to the southwest of Samoa. Radio New Zealand reported that Samoa had been battered by torrential rain on Saturday evening with reports of flash flooding across the island of Savai’i. At 7.00am this morning (New Zealand local time), TC Tuni had a central pressure of 993hPa and was positioned 160km southwest of Samoa.

El Niño explained

There’s been a lot in the news in recent months about El Niño. See, for example, the latest monthly outlook, and an ABC news story. Here’s a ‘back-to-basics’ description of El Niño. To start, the chart below shows a climatological average of air pressure at Mean Sea Level over the central and South Pacific.

Isolated showers

The Auckland forecast for Monday 12 October included mention of the following: '... isolated showers ...' and ' ... southwesterly winds ...'. From time to time you’ll hear the word 'isolated' in weather forecasts, so let’s see what it means with reference to observational data, some of which is available on

New satellite data

The Japan Meteorological Agency recently launched a new geostationary weather satellite called Himawari-8. “Himawari” means sunflower, and the name has been given to a new series of satellites that we can look forward to in coming years. “Geostationary” means the satellite rotates “in sync” with the Earth, always above the same point over the equator. We, in New Zealand, are now starting to receive early data from this satellite.