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Complete transcript available.

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During the summer months, the ice melts and the edge recedes northward, usually reaching its annual minimum sometime in September.
The ice extent is shaped by a variety of factors, including warmer temperatures, storms, and changes in the ocean, which makes it difficult to predict.

Sea ice plays an important role in maintaining Earth's temperature, so predicting how the ice extent might change helps us understand the warming climate.

Scientists have developed a new model to predict the sea ice minimum extent, using historical measurements and real-time satellite data. The model can begin predictions up to six months before the predicted minimum and continue to improve each day.", "items": [], "extra_data": {} }, { "id": 330998, "url": "https://svs.gsfc.nasa.gov/12519/#media_group_330998", "widget": "Single image", "title": "", "caption": "", "description": "This forecasting model can predict sea ice extent in specific regions, like the seas north of Alaska.", "items": [ { "id": 260684, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 416202, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a012500/a012519/IceForecast_AK.gif", "filename": "IceForecast_AK.gif", "media_type": "Image", "alt_text": "This forecasting model can predict sea ice extent in specific regions, like the seas north of Alaska.", "width": 450, "height": 253, "pixels": 113850 } } ], "extra_data": {} }, { "id": 330999, "url": "https://svs.gsfc.nasa.gov/12519/#media_group_330999", "widget": "Single image", "title": "", "caption": "", "description": "The model uses satellites to detect open water and surface melting to help improve predictions.", "items": [ { "id": 260685, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 416203, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a012500/a012519/IceForecast_Melt.gif", "filename": "IceForecast_Melt.gif", "media_type": "Image", "alt_text": "The model uses satellites to detect open water and surface melting to help improve predictions.", "width": 450, "height": 253, "pixels": 113850 } } ], "extra_data": {} } ], "studio": "gms", "funding_sources": [ "ESE" ], "credits": [ { "role": "Writer", "people": [ { "name": "Maria-Jose Vinas Garcia", "employer": "Telophase" } ] }, { "role": "Producer", "people": [ { "name": "Kathryn Mersmann", "employer": "USRA" } ] }, { "role": "Scientist", "people": [ { "name": "Alek A. Petty", "employer": "University of Maryland" } ] } ], "missions": [], "series": [ "Narrated Movies" ], "tapes": [], "papers": [], "datasets": [], "nasa_science_categories": [ "Earth" ], "keywords": [ "Arctic", "Cryology", "Cryosphere", "Earth Science", "HDTV", "Location", "Sea Ice" ], "recommended_pages": [], "related": [ { "id": 4535, "url": "https://svs.gsfc.nasa.gov/4535/", "page_type": "Visualization", "title": "Arctic Sea Ice from January 1, 2013 to September 10, 2016", "description": "A visualization of the Arctic sea ice from January 1, 2013 through September 10, 2016, the date when the sea ice reached its annual minumum extent. The date is shown in the lower left corner.This video is also available on our YouTube channel. || ArcticSeaIce_withDate_4k.5399_print.jpg (1024x576) [118.6 KB] || ArcticSeaIce_withDate_4k.5399_searchweb.png (320x180) [78.3 KB] || ArcticSeaIce_withDate_4k.5399_thm.png (80x40) [5.8 KB] || ArcticSeaIce_withDate_HD_1080p30.mp4 (1920x1080) [56.5 MB] || WeeklySeaIceAge_with2Graphs_p30_1080p30.webmhd.webm (1080x606) [19.6 MB] || earthWithDate (1920x1080) [0 Item(s)] || earthWithDate (3840x2160) [0 Item(s)] || ArcticSeaIce_withDate_HD.key [59.0 MB] || ArcticSeaIce_withDate_HD.pptx [58.6 MB] || ArcticSeaIce_withDate_4k_2160p30.mp4 (3840x2160) [220.2 MB] || ArcticSeaIce_withDate_HD_1080p30.mp4.hwshow [198 bytes] || ", "release_date": "2017-01-22T00:00:00-05:00", "update_date": "2025-01-05T23:15:35.584116-05:00", "main_image": { "id": 417332, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004500/a004535/ArcticSeaIce_withDate_4k.5399_print.jpg", "filename": "ArcticSeaIce_withDate_4k.5399_print.jpg", "media_type": "Image", "alt_text": "A visualization of the Arctic sea ice from January 1, 2013 through September 10, 2016, the date when the sea ice reached its annual minumum extent. The date is shown in the lower left corner.This video is also available on our YouTube channel.", "width": 1024, "height": 576, "pixels": 589824 } } ], "sources": [ { "id": 12349, "url": "https://svs.gsfc.nasa.gov/12349/", "page_type": "Produced Video", "title": "The New Arctic", "description": "Scientists say low levels of sea ice cover in the Arctic are now the norm. || cf-1024.jpg (1024x576) [201.1 KB] || cf-1280.jpg (1280x720) [269.7 KB] || cf-1920.jpg (1920x1080) [387.5 KB] || cf-1024_print.jpg (1024x576) [211.2 KB] || cf-1024_searchweb.png (320x180) [89.7 KB] || cf-1024_web.png (320x180) [89.7 KB] || cf-1024_thm.png (80x40) [6.4 KB] || ", "release_date": "2016-08-25T11:00:00-04:00", "update_date": "2023-05-03T13:48:20.785070-04:00", "main_image": { "id": 421134, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a012300/a012349/cf-1024_print.jpg", "filename": "cf-1024_print.jpg", "media_type": "Image", "alt_text": "Scientists say low levels of sea ice cover in the Arctic are now the norm.", "width": 1024, "height": 576, "pixels": 589824 } } ], "products": [], "newer_versions": [], "older_versions": [], "alternate_versions": [] }