The July 8 Western Climate briefing is hot off the presses

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Click here to view the briefing (scroll down):

Latest Monthly Briefing – July 8, 2016 (Micro-Briefing)

Highlights

  • June was a very hot Western US Seasonal Precipitation and very dry Western US Seasonal Precipitation month for the region, with much of the region seeing less than 50% of normal precipitation, and above-normal precipitation only in scattered areas. It was the hottest June on record for Utah, the 2nd hottest for Wyoming, and the 3rd hottest for Colorado.
  • The dry June did not greatly impact the spring snowmelt and runoff, which was already well underway. As forecasted, below-average runoff has predominated at Utah forecast points, with near-average to above-average runoff in Colorado and Wyoming. April-July Lake Powell inflows are on track to exceed the official forecasts, at around 6750 KAF (95% of average).
  • The vast majority of reservoirs in Colorado and Wyoming have above-average storage for this time of year, with most major reservoirs near capacity or spilling. Utah’s reservoirs are split between below- and above-average storage.
  • The 2015-2016 El Niño event has finally ended, and ENSO-neutral conditions are now present . ENSO forecasts ENSO Prediction Plume indicate a roughly 75% chance of La Niña conditions during the coming fall and winter. Both the CPC outlook 3-mo precip forecast, 0.5-mo lead and the experimental SWcast outlook SWcast show little or no tilt for July–September precipitation for our region
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