When the Missoula floods surged into the Snake River, they backflooded 150 miles upstream, leaving fine silts at the distal reach. At the same time, the Bonneville flood thundered north through Hell’s Canyon, dropping massive boulders at its mouth. At Tammany Bar, the two torrents met —coarse Bonneville gravels overlying Missoula silts —a geological record of cataclysms colliding. | The Randall Carlson

18 reactions | Little preview of the Missoula leg of the Scablands tour, already scheduled for next year! ** https://contactatthecabin.com/montana/ ** [From #kosmographiapodcast Ep069] ** #randallcarlson #missoulamontana #camasprairie #iceage #floods #glaciallake #followtheevidence | The Randall Carlson | Facebook

There’s flood warnings and watches all over the state with 26 rivers at risk of flooding. Make sure you’re following weather alerts near you. Put your ZIP code in at https://www.weather.gov/ to find the latest. For your latest, local road and community alerts, opt in to alerts at https://mil.wa.gov/alerts#local Ensure your wireless emergency phone’s alerts are turned ON so you don’t miss critical life safety information. A reminder on evacuations: • Level 1 means be ready. Be alert. There is a t

16K views · 153 reactions | The latest storm to sweep across western...

Hurricane Katrina was devastating—but the Lake Missoula floods were on another scale entirely. Modern floods? Measured in millions of cubic feet per second. Missoula? Try 350 million. That’s up to 10 surdrops—the same unit used to measure ocean currents. And it wasn’t minutes or hours… it surged for days. We’re just beginning to grasp the true power of these ancient megafloods. | The Randall Carlson

16K views · 322 reactions | It wasn’t just northern Idaho that was...