1 / 21

Upper Snake Reservoir Operations October 13, 2015

Upper Snake Reservoir Operations October 13, 2015. Henry’s Fork Watershed Council. 41% of Capacity. 88% of Capacity. 29% of Capacity. Coordinated Forecast Month-July Snake River nr Heise, ID. January Forecast 109% (4,130 KAF) 78% of Average Precipitation February Forecast 101% (3,625 KAF)

jorgehernandez
Download Presentation

Upper Snake Reservoir Operations October 13, 2015

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Upper Snake Reservoir Operations October 13, 2015 Henry’s Fork Watershed Council

  2. 41% of Capacity

  3. 88% of Capacity

  4. 29% of Capacity

  5. Coordinated Forecast Month-JulySnake River nr Heise, ID • January Forecast 109% (4,130 KAF) • 78% of Average Precipitation • February Forecast 101% (3,625 KAF) • 77% of Average Precipitation • March Forecast 95% (3,256 KAF) • 41% of Average Precipitation • April Forecast 78% (2,515 KAF) • 59% of Average Precipitation • May Forecast 63% (1,800 KAF) • 136% of Average Precipitation

  6. 2015 Water Year-to-Date Precipitation

  7. WY2015 Percent 30yr Avg. Runoff • Snake River nr Heise, ID • April-July Forecast 78% (2,515 KAF) • April-July Observed 85% (2,740 KAF) • WY2015 Observed 91% (4,530 KAF) • Henrys Fork nr Island Park, ID • April-July Forecast 47% (102 KAF) • April-July Observed 59% (127 KAF) • WY2015 Observed Runoff 68% (319 KAF)

  8. 2016 Temperature Outlook

  9. 2016 Precipitation Outlook

  10. Conclusions • System carryover is lower than in 2014 but good overall • Good probability of high system storage for 2016 allocations • Minimum winter flows at most facilities • Not expected to change unless flood control operations are needed • Current winter forecasts lack confidence • Abnormal ocean temperatures • Long-lead forecast uncertainty

More Related