Warm – even hot – weather is currently forecast to make its way into the upper Colorado and Great basins next week following a cool and wet Memorial Day weekend. This warm weather is bringing with it the potential for very significant snowmelt and dangerously high river flows.Today’s forecast for the Green River at Jensen, [...]

Deep snowpacks across the basin have been driving both long lead peak flow and water supply volume forecasts to levels not seen in  long time through the Upper Colorado and Great Basins this year. As with any forecast, these forecasts have uncertainty associated with them. For the long lead peak flow forecasts, much of the [...]

Warm temperatures last week and weekend initiated the snow melt in many basins in northern Utah and western Colorado. Streamflows responded through flooding in a couple places in the Cache Valley and coming out of their banks in other places such as the Little Snake River. But most streams stayed in their banks. Temperatures cooled [...]

The snow kept falling in April and we are seeing record snowpacks at a number of sights. The plot below shows the number of daily record SWE reports at SNOTEL stations in our area with 10 or more years of record. The last two weeks of April saw snow packs continue to accumulate and, in [...]