Climate Weather Cold waves 23 February 2023 Most of us are aware of heatwaves, but what about the opposite extreme – cold waves? Just like their hotter counterpart, cold waves adversely affect our health, infrastructure and agriculture. What's more, extreme cold is more deadly than extreme heat. Climate In the Spotlight Weather Cyclone Gabrielle causes national state of emergency in New Zealand 16 February 2023 New Zealand declared its third ever national state of emergency in February 2023, following the passage of Cyclone Gabrielle. The cyclone hit just two weeks after severe flooding led to Auckland's wettest day in history. Climate In the Spotlight Weather Contrail clouds and climate change 09 February 2023 White lines criss-crossing a blue sky on a summer’s day may look innocent, but aircraft condensation trails are having a big impact on the environment. In fact, persistent contrails could be responsible for more warming than the carbon emissions from their fuel. Climate In the Spotlight Weather Polar vortex, sudden stratospheric warmings and the Beast from the East 03 February 2023 When people hear the phrase ‘sudden stratospheric warming’, many will immediately think about the 'Beast from the East'. However, not all sudden stratospheric warmings are the same, as Gemma Plumb explains. Climate Weather What is wind? 27 January 2023 When we’re talking about the weather, most people want to know if it’s hot or cold, wet or dry. But I would argue that it’s more useful to know what the wind is doing, as it can have a far bigger impact, from dangerous gusts to deadly wind chill Climate In the Spotlight Weather Retail forecasting 19 January 2023 Supermarkets seem to have an uncanny knack of stocking their shelves with just the right products, such as ice scrapers during a cold snap or barbecue food on a hot, sunny day. The reality is that a lot of planning goes on behind the scenes, with meteorologists playing a key role. Climate In the Spotlight Weather Review of 2022 09 January 2023 2022 was a year of extreme weather, both around the world and at home. MetMatters looks back at just some of 2022’s highs and lows. Climate Weather Wind chill 14 December 2022 During the winter months, you often hear the phrase "wind chill". Kirsty McCabe explains why a brisk northerly or bitter easterly wind can make you feel bone-numbingly cold Climate In the Spotlight Weather Australian floods and triple La Niña 08 December 2022 Rainfall totals were exceptional in parts of southeast Australia during 2022. Gemma Plumb examines whether a rare "triple-dip" La Niña is to blame.