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 Tropical Storm Arthur Weather Blog Tropical Storm Arthur June 19, 2026 Desert Field Test With NASA Advanced Rover Prototype Weather Blog Desert Field Test With NASA Advanced Rover Prototype June 18, 2026 El Niño Is Underway Weather Blog El Niño Is Underway June 18, 2026