The Arctic heatwave ongoing in Siberia is contributing to continued record-low sea ice extent in the Laptev Sea. It reached a staggering +31.4°C (88.5°F) at 73 degrees north.

NASA satellite imagery just in captures the break-up in exceptional detail.

THREAD pic.twitter.com/XD5DPl9dvW

— Scott Duncan (@ScottDuncanWX) June 21, 2021