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NSIDC News

NSIDC The National Snow and Ice Data Center (NSIDC), supports research into our world's frozen realms: the snow, ice, glaciers, frozen ground, and climate interactions that make up Earth's cryosphere.
Arctic Sea Ice News and Analysis
Arctic Sea Ice News and Analysis

Sea ice data updated daily with one-day lag

April 3rd, 2024 13:00:12 EDT -0400 Arctic sea ice: Walking on sunshine
Following the 2024 maximum sea ice extent on March 14, Arctic ice extent has declined slowly such that 2024 March average is the fifteenth lowest in the passive microwave satellite record. The atmospheric circulation pattern for March 2024 featured a strong … Continue reading
March 25th, 2024 13:00:46 EDT -0400 Arctic sea ice reaches a below-average maximum
Arctic sea ice has likely reached its maximum extent for the year, at 15.01 million square kilometers (5.80 million square miles) on March 14. The 2024 maximum is the fourteenth lowest in the 46-year satellite record. Overview of conditions On … Continue reading
March 4th, 2024 16:53:34 EST -0500 Leaping toward spring
During February, Arctic sea ice extent increased along the lower 10 percent interdecile value, with the average monthly extent tied for fifteenth lowest in the satellite record. Temperatures were above average over the central Arctic, but still well below freezing. Antarctic … Continue reading
February 28th, 2024 13:00:59 EST -0500 Antarctic sea ice extent hits a third low in a row
On February 20, Antarctic sea ice likely reached its minimum extent of 1.99 million square kilometers (768,000 square miles), tying for second lowest extent in the 1979 to 2024 satellite record. This is the third consecutive year that Antarctic sea … Continue reading
February 5th, 2024 12:52:35 EST -0500 Nothing Swift about January’s Arctic sea ice
Arctic sea ice growth was slower than average through most of the month, but with extent slightly declining towards the end of the month. Antarctic sea ice extent returned to near-record daily lows after a brief excursion out of the … Continue reading
January 4th, 2024 17:20:03 EST -0500 Fast December expansion
The end of 2023 had above average sea ice growth, bringing the daily extent within the interdecile range, the range spanning 90 percent of past sea ice extents for the date. Rapid expansion of ice in the Chukchi and Bering … Continue reading
December 5th, 2023 11:48:15 EST -0500 A brief winter pause
While autumn sea ice growth is in full swing, brief pauses are not unusual. Starting November 22, the ice growth stalled almost completely for five days as a series of storms guided an atmospheric river into the Arctic, transporting warm, … Continue reading
November 2nd, 2023 15:37:45 EDT -0400 The long Arctic winter sets in
As the long Arctic winter sets in, sea ice extent has increased at a faster than average pace. By the end of October, the ice cover had reached the Siberian coast, while open water persisted along the coasts of the … Continue reading
October 4th, 2023 10:00:22 EDT -0400 The Sun sets on the Arctic melt season
A few days after the annual Arctic sea ice minimum extent was reached on September 19, the sun set at the North Pole, aiding sea ice growth. Arctic sea ice extent has grown at a fairly slow pace, leading to the … Continue reading
September 25th, 2023 15:00:45 EDT -0400 Antarctic sets a record low maximum by wide margin
On September 10, Antarctic sea ice likely reached its annual maximum extent of 16.96 million square kilometers (6.55 million square miles). This is the lowest sea ice maximum in the 1979 to 2023 sea ice record by a wide margin. Please note … Continue reading