The latest briefing from Western Water Assessment is hot off the presses

Click here to go to the Western Water Assessment Climate Dashboard. Here’s an excerpt:


  • April was generally drier than average across the region, with few mountain areas seeing above-average precipitation, in contrast with previous months. The second week of May brought heavy precipitation to many parts of the region.
  • As of May 13, snowpack conditions are similar to one month ago, with near-normal to above-normal SWE in Wyoming, northern and central Colorado, and northern Utah, and below-normal SWE in central and southern Utah and southern Colorado.
  • The May 1 spring-summer streamflow forecasts slipped a little from the April 1 forecasts, though still calling for most forecast points in Wyoming and northern and central Colorado to have above-average or much-above-average spring runoff. Most forecast points in south-central and southwestern Colorado, and in Utah south of the Wasatch Front, are expected to have below-average or much-below-average runoff.
  • Watersheds in the northern Front Range of Colorado most affected by the floods last September still have well-above-normal SWE. There is an elevated potential for snowmelt flooding given the large snowpacks and sediment-impacted stream channels.
  • The emergence of an El Niño event in the next several months looks increasingly likely, with atmospheric and oceanic conditions consistently moving in that direction.
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