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

Three month precipitation outlook April 16 thru July 31, 2015 via the Climate Prediction Center
Three month precipitation outlook April 16 thru July 31, 2015 via the Climate Prediction Center

Click here to go to the Western Water Assessment climate dashboard (scroll down to the current briefing). Here’s an excerpt:

Highlights

  • While April was overall wetter and cooler than the previous three months, and May has gotten off to a wet start, very poor runoff is still expected in most basins across the region.
  • April precipitation was well-above-average in some areas, and below-average in others. The first part of May has been very wet so far over most of the region.
  • Snowpacks in most basins peaked 4–6 weeks early and are well along towards meltout, with many individual SNOTEL sites at lower and middle elevations having already melted out.
  • The May 1 spring-summer runoff forecasts are even lower than the April 1 forecasts in most basins. Most points are expected to see much-below-average (50–69%), far-below-average (25–49%) or extremely low (<25%) runoff, especially in Utah.
  • El Niño conditions have strengthened further and are expected to continue into the winter. A wet tilt in seasonal precipitation through the summer is forecasted for our region, largely due to El Niño’s influence
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