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

Overnight impacts as Austen hits. Power cuts, travel issues. . . Friday, 23 October 2026
Split image showing floodwater surging beneath a railway bridge at night and a wind map with low pressure over the English Channel and 60 mph near Brest.
Friday, 23 October 2026

Power cuts, travel issues

Overnight impacts as Austen hits
Stormy winds finally easing. By the end of the week. . . Tuesday, 27 October 2026
Split wind maps showing winds of 25–40 mph across the UK and Ireland easing to 7–15 mph, with a white arrow indicating the change.
Tuesday, 27 October 2026

By the end of the week

Stormy winds finally easing
From late summer to storm warnings. Contrasts in Europe. . . Thursday, 29 October 2026
Split image: On the left, the temperature radar for Spain and Portugal shows readings of up to 28 degrees. On the right, waves crash onto a flooded beach dotted with parasols and sun loungers amid stormy weather.
Thursday, 29 October 2026

Contrasts in Europe

From late summer to storm warnings
All weather news

This might also interest you

New records for England and Wales. Broken again tomorrow?. . . Thursday, 25 June 2026
Temperature map of southwest Britain on 25.06 showing extreme heat across southern Wales and southwest England, with Bute Park in Cardiff highlighted at 34.2°C and Yeovilton at 36.4°C amid widespread deep red heat zones.
Thursday, 25 June 2026

Broken again tomorrow?

New records for England and Wales
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
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

facebooktwittertikToklinkList