Weather Blog On This Day in 2017: Dunes and Lagoons Strong winds blowing in from the Western Atlantic sculpt the sand along the coast of southern Brazil into distinctive crescent shapes. Read More… About Author See author's posts Post navigation Previous When and where Tropical Storm Don could form…Next Two Areas that could Develop… Related Stories Tornado Draws a Jagged Line in Mississippi Weather Blog Tornado Draws a Jagged Line in Mississippi May 22, 2026 New Eruption in the Bismarck Sea Weather Blog New Eruption in the Bismarck Sea May 21, 2026 Fire Chars Santa Rosa Island Weather Blog Fire Chars Santa Rosa Island May 20, 2026