Latest / INSIGHT TODAY / What does a Super El Niño mean for winter
Transcript
- 0:00Speaker 1: Could we get extreme weather? Storms? Floods? Or even heavy
- 0:05Speaker 1: snow this winter?
- 0:07Speaker 2: As summer gives way to autumn, people start asking us
- 0:09Speaker 2: the same questions. How bad could the weather get? When
- 0:14Speaker 2: might we see the first snow? And just how cold
- 0:17Speaker 2: would it be? This year though, there's an extra.
- 0:20Speaker 1: Factor in the mix. El Niño.
- 0:24Speaker 2: It could make this autumn and winter a little bit
- 0:26Speaker 2: more interesting, at least from a weather perspective.
- 0:30Speaker 1: So what is El Niño? How could it affect the
- 0:32Speaker 1: UK's weather?
- 0:33Speaker 2: And is it something any of us should actually be
- 0:36Speaker 2: paying attention to? Let's get into some of the biggest questions. Well,
- 0:45Speaker 2: the first thing to say is that El Niño isn't
- 0:47Speaker 2: a storm system. It's not going to bring sudden or
- 0:51Speaker 2: noticeable impacts to any one place. Instead, it's a natural
- 0:55Speaker 2: climate pattern that develops in the tropical Pacific Ocean. sea
- 0:59Speaker 2: temperatures rise, winds change direction and that can.
- 1:03Speaker 1: Influence weather around the world.
- 1:06Speaker 2: It occurs every two to seven years and that extra
- 1:09Speaker 2: warmth generated in the Pacific is being released into the
- 1:13Speaker 2: atmosphere where it can influence weather patterns all over the
- 1:16Speaker 2: world bringing droughts, floods, heat waves and wildfires to different areas.
- 1:23Speaker 2: Over the last few months, El Niño has been strengthening,
- 1:26Speaker 2: with sea temperatures rising into uncharted territory. Scientists predict that
- 1:31Speaker 2: it will most likely be a historic event, the.
- 1:34Speaker 1: Strongest ever recorded in the modern era.
- 1:37Speaker 2: And because of this, you may have even heard people
- 1:40Speaker 2: calling it a Super El Niño, or even a Godzilla
- 1:44Speaker 2: El Niño. Well, the name El Niño comes from Spanish
- 1:51Speaker 2: and means little boy or the Christ child. South American
- 1:56Speaker 2: fishermen and sailors in Peru and Ecuador first used the
- 1:59Speaker 2: term centuries ago when they noticed unusually warm waters appearing
- 2:04Speaker 2: along the Pacific coast around December. Those warmer waters often
- 2:08Speaker 2: meant fewer fish affecting their catches. And because the phenomenon
- 2:11Speaker 2: tended to arrive around Christmas, it became known as El Niño.
- 2:20Speaker 2: El Niño normally starts to develop in the late northern
- 2:23Speaker 2: hemisphere spring and can continue to strengthen through the summer
- 2:27Speaker 2: and autumn. This El Niño is expected to reach its
- 2:31Speaker 2: peak in November or December and will last well into 2027.
- 2:37Speaker 2: We start to see the impacts of El Niño in
- 2:39Speaker 2: some parts of the world during the summer, such as
- 2:42Speaker 2: the reduction in Atlantic hurricanes, the increase in Pacific hurricanes
- 2:46Speaker 2: and wildfires in Southeast Asia. But further away from the
- 2:50Speaker 2: tropical Pacific, impacts may not be felt until the northern
- 2:54Speaker 2: hemisphere autumn or winter. It's looking likely that El Niño
- 3:02Speaker 2: will affect the weather in the UK. The Met Office
- 3:05Speaker 2: says that from around November onwards, there's an increased chance
- 3:09Speaker 2: of stormier conditions affecting the UK. Wetter and windier weather
- 3:13Speaker 2: could increase the risk of flooding and potential disruption or
- 3:17Speaker 2: damage from strong winds. Chances are that it will also
- 3:20Speaker 2: be milder than normal, at least for the first half
- 3:23Speaker 2: of winter. It's too far away to know what will
- 3:27Speaker 2: happen during the rest of winter, but during past El
- 3:30Speaker 2: Niño events, the UK has often been colder than average,
- 3:34Speaker 2: and this could therefore increase the chances of frosts and snow,
- 3:39Speaker 2: but it's far from certain this will actually happen this year. So,
- 3:47Speaker 2: does El Niño mean we're more likely to see snow
- 3:49Speaker 2: on Christmas Day?
- 3:51Speaker 1: Unfortunately, it's still too early to say.
- 3:54Speaker 2: What we do know is is that of the three
- 3:57Speaker 2: strongest El Niño events since 1900, only one in 1982-83
- 4:04Speaker 2: brought significant snowfall to the UK. So while El Niño
- 4:08Speaker 2: can influence weather patterns around the world, it doesn't automatically
- 4:12Speaker 2: mean a white Christmas is on the way. El Niño
- 4:19Speaker 2: impacts to the UK aren't as clear-cut as other parts
- 4:22Speaker 2: of the world, so it was really difficult to assess
- 4:25Speaker 2: how El Niño has affected the UK before. This is
- 4:28Speaker 2: because the UK is located quite a long way from
- 4:31Speaker 2: the tropical Pacific, and there are many other weather patterns
- 4:35Speaker 2: that influence our weather in the autumn and winter. However,
- 4:38Speaker 2: we've looked at storminess in the UK during the last
- 4:41Speaker 2: two strong El Niños in 2023-24, and 2015-16. And we
- 4:47Speaker 2: noted that we saw more named storms, so wet and
- 4:51Speaker 2: windy weather, that was severe enough to bring significant impacts
- 4:54Speaker 2: in these two years than any other year since we
- 4:57Speaker 2: started naming storms in 2015. And since 2000, looking at snowfall,
- 5:04Speaker 2: less than half of the El Nino years brought any
- 5:07Speaker 2: significant snow to the UK. El Niño is likely to
- 5:15Speaker 2: last into spring next year before it weakens during the summer.
- 5:19Speaker 2: While there will be lots of obvious impacts in certain
- 5:22Speaker 2: areas of the world, One of the largest global impacts
- 5:25Speaker 2: is actually on the global average temperature. If you think
- 5:28Speaker 2: of the warming seas in the Pacific Ocean like a radiator,
- 5:32Speaker 2: when it heats up, the atmosphere warms up and it
- 5:35Speaker 2: essentially boosts the global average temperature. Estimates are that they
- 5:40Speaker 2: can add 0.2 degrees Celsius of extra heat over the year.
- 5:44Speaker 2: Scientists therefore predict that 2027 will be the hottest year
- 5:48Speaker 2: on record, exceeding the previous hottest year of 2024. which
- 5:54Speaker 2: also happened to be the last time we had a
- 5:56Speaker 2: very strong El Nino. More regionally, with an increase in
- 6:00Speaker 2: rainfall and floods in some areas and droughts in others,
- 6:03Speaker 2: agriculture will be impacted, leading to a decline in global
- 6:07Speaker 2: food supplies. The UN's World Food Programme have already warned
- 6:11Speaker 2: that El Nino will sharply increase hunger in more vulnerable
- 6:15Speaker 2: parts of the world by the end of 2027. Higher
- 6:19Speaker 2: food insecurity will also mean higher prices in our supermarkets.
- 6:27Speaker 2: With a likely increase in stormy weather and the potential
- 6:30Speaker 2: increase in impacts from wind, rain and flooding, we should
- 6:34Speaker 2: keep a closer eye on the weather forecasts and be
- 6:36Speaker 2: prepared to take action if the Met Office issue any
- 6:39Speaker 2: severe weather warnings. The UK government have also said that
- 6:43Speaker 2: households should stock up on some food supplies to prepare
- 6:47Speaker 2: for extreme weather. The idea being that if you are
- 6:49Speaker 2: impacted by severe weather and you have some food supplies,
- 6:53Speaker 2: it can keep you going for a while longer before
- 6:55Speaker 2: the emergency services can get to you. And you're going
- 6:58Speaker 2: to be a lot better off than if you haven't
- 7:00Speaker 2: got supplies.
- 7:01Speaker 1: So there you have it.
- 7:02Speaker 2: El Niño is continuing to strengthen and it's likely to
- 7:05Speaker 2: be the biggest and living memory. While it won't hit
- 7:09Speaker 2: as a sudden storm or event, it shifts the odds
- 7:12Speaker 2: for more extreme weather around the world. Impacts in the
- 7:16Speaker 2: UK will be felt later this autumn and through the
- 7:18Speaker 2: winter with a greater chance of stormier weather at times. Globally,
- 7:23Speaker 2: it will lead to higher average global temperatures, adding more
- 7:27Speaker 2: heat on top of our already warming climate. And if
- 7:30Speaker 2: there's any other weather subjects that you'd like us to
- 7:33Speaker 2: tackle next, let us know in the comments.