Weather Blog Whirling Dust and Ancient Floods Now a flat and dusty desert playa, Oregon’s Alvord Desert once held an expansive lake that was the source of catastrophic outburst flooding. Read More… About Author OTW Observer See author's posts Post navigation Previous Arizona’s Declining GroundwaterNext Brilliant Bloom in the Baltic Sea Related Stories Spring Rains Saturate Michigan Weather Blog Spring Rains Saturate Michigan April 17, 2026 Eyeing the Richat Structure Weather Blog Eyeing the Richat Structure April 16, 2026 NASA’s SPHEREx Mission Maps Water Ice Throughout Cygnus X Weather Blog NASA’s SPHEREx Mission Maps Water Ice Throughout Cygnus X April 15, 2026