Weather Blog Sea Ice Chokes the Northwest Passage Despite overall declines in the thickness and extent of Arctic sea ice, shipping routes along the northern coast of North America have become less navigable in recent years. Read More… About Author See author's posts Post navigation Previous Landslide Dams the Chilcotin RiverNext Exactly when it will be 31C again after temperature plummet and rain Related Stories Fires Tear Through Nebraska Grasslands Weather Blog Fires Tear Through Nebraska Grasslands March 31, 2026 Seeing Blue During Schirmacher’s Summer Melt Season Weather Blog Seeing Blue During Schirmacher’s Summer Melt Season March 30, 2026 NISAR’s View of Mount Rainier Weather Blog NISAR’s View of Mount Rainier March 27, 2026