Home
Weather Dublin
WeatherRadar
RainfallRadar
TemperatureRadar
WindRadar
LightningRadar
Weather News
Editor's Pick
Discover the app
Weather widget
Contact us
Apps
    Home / Editor's Pick /

    Arctic and Antarctic: Sea ice extent dropping at alarming rate

07:00
23 September 2023

Arctic and Antarctic
Sea ice extent dropping at alarming rate

The partially melting glaciers as polar bears walk in Svalbard and Jan Mayen on July 15th 2023.
The partially melting glaciers as polar bears walk in Svalbard and Jan Mayen on July 15th 2023. - © picture alliance

Both Arctic and Antarctic sea ice is dropping at an alarming rate, significantly lower than normal for the time of year.

During this time of the year, towards the end of summer in the Northern Hemisphere, and the end of winter in the Southern Hemisphere, sea ice usually reaches its lowest extent.

However, what is unsettling, is that this current extent is unprecedented when comparing to previous averages or record lows, across both sides of the globe.

In the Arctic, sea ice is 6th lowest on record, behind 2012, 2020, 2007, 2016 and 2019. It is still declining despite being 19th September.

Antarctica

Antarctica is experiencing an alarming decline in sea ice levels during its winter months, with measurements now reaching historic lows.

The once-stable sea ice surrounding Antarctica, which plays a crucial role in cooling the Earth, has dwindled to less than 17 million square km.

This figure represents a staggering 1.5 million square km less than the average sea ice extent for September, and it falls well below the previous record lows ever observed during winter.

An area of missing ice around five times the size of the British Isles

Such a dramatic reduction in sea ice has significant implications for global climate dynamics, as Antarctica transitions from being Earth's refrigerator to becoming a radiator of heat.

Experts are not optimistic about the possibility of a substantial recovery in sea ice levels. This trend is exacerbated by a recent extreme heatwave that struck East Antarctica in March 2022.

During this anomalous event, temperatures in East Antarctica reached around -10°C, a stark contrast to the typical -50°C temperatures expected there during that time of year.

More on the topic

Severe weather risk in the Mediterranean. Turkey and Greece. . . Tuesday 27 October 2026
Weather map showing low pressure over the Aegean Sea, blue rain bands across Greece and Turkey, and heavy rain and thunderstorm warning symbols.
Tuesday 27 October 2026

Turkey and Greece

Severe weather risk in the Mediterranean
Preparing for the storms. What to do now. . . Thursday 22 October 2026
Split image showing Storm Austen winds up to 65 mph near Brest and 55 mph near Plymouth, alongside fallen tree branches on a cordoned-off park path.
Thursday 22 October 2026

What to do now

Preparing for the storms
Staying fairly blustery across Ireland. Autumn greetings. . . Thursday 29 October 2026
Wind map showing 35 mph winds near Galway and Cork, 25 mph near Dublin and Belfast, and lighter winds across western Britain, with a windsock symbol.
Thursday 29 October 2026

Autumn greetings

Staying fairly blustery across Ireland
All weather news

This might also interest you

Storm Chandra makes impact. Severe gales & heavy rain. . . Tuesday 27 January 2026
Split image showing strong winds over the UK on a forecast map and widespread rain and snow on a weather radar map.
Tuesday 27 January 2026

Severe gales & heavy rain

Storm Chandra makes impact
A frozen start to the weekend. Icy conditions. . . Friday 13 February 2026
UK temperature map dated 14.02 showing widespread subzero values in blue shading, with readings such as −4 in Glasgow, −3 in Dublin, and −2 in London, alongside a blue thermometer icon.
Friday 13 February 2026

Icy conditions

A frozen start to the weekend
Long-term trends need a pinch of salt. 40 °C in July?. . . Tuesday 30 June 2026
Temperature radar of 2022 heatwave where the all-time temperature record in the UK was set. Warning symbol overlain.
Tuesday 30 June 2026

40 °C in July?

Long-term trends need a pinch of salt
All articles
Weather & Radar

Weather & Radar is also available on

Google Play StoreApp Store

Company

Contact us Privacy Policy Legal info Accessibility statement

Services

Uploader

Socials

facebooktwitteryouTubelinkList