WWA Summer Tour. Tuesday, June 20, Lander, Wyoming. Contents. Final Water Forum for Snowcover & Stream flow Generation

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1 Issue Sixty Five, Volume Two 2017 WWA Officers WWA Summer Tour Tuesday, June 20, 2017 Lander, Wyoming Tour highlights include: Worthen Meadows. Sinks Canyon, Popo Agie River Restoration project, Popo Agie Conservation District Projects Frank Grimes President John Maier 1st Vice President Cory Toye 2nd Vice President Mike Cole Secretary Dan Laursen Treasurer Bryant Startin Past President Contents Annual Meeting...2 WY Water Updates...3 Spring Snowmelt Water Planner Membership...10 Final Water Forum for Snowcover & Stream flow Generation With Dr. Stephanie Kampft May 9th 10:00 am to 12:00 pm Dr. Kampf is with the Department of Ecosystem Science and Sustainability at Colorado State University. She will discuss how snow cover data can be used to assess streamflow regimes plus their relationship with peak SWE and water yield. Hope you can join!

2 Wyoming Water Flow Issue Sixty Three Volume One Keeping Connected With Water News Please mark your calendar to join us for the 2017 Wyoming Water Association and Upper Missouri Water Association Joint Conference and Education Seminar October Holiday Inn Sheridan Convention Center Sheridan, Wyoming

3 Wyoming Water Flow - Issue Sixty Three, Volume One

4 Wyoming Water Flow Issue Sixty Three Volume One Wyoming Spring 2017 Snowmelt Flood Potential Outlook By James Fahey, Wyoming NOAA hydrologist Mountain snowpack and associated snow water equivalents (SWEs) across central through western Wyoming continued to be much above average by the middle of April; while SWEs across basins in southeastern Wyoming were generally below average. SWEs at the peak snowmelt runoff elevations (8, ) continue to be the highest across the Wind and the Upper Green Basins at 170 to 190 percent of median. The Laramie, Upper North Platte, and Little Snake Drainages had SWEs at near 75 to 90 percent of median at the peak snowmelt runoff elevations. This outlook is based on various diverse hydrological factors such as: snow water equivalents (SWEs) in the mountain snowpack, basin morphology (i.e. how basins respond to snowmelt runoff), antecedent soil moisture, amount of forest canopy damage, recent burn scars, low elevation snow depths, and likely temperature and precipitation trends during late spring/early summer. High potential for flooding associated with snowmelt is expected over several basins across the Little and Big Wind Watersheds High potential for flooding associated with snowmelt is expected over several basins of the Upper Green Basin Moderate to High potential for snowmelt flooding is expected over headwater basins of the Snake River Drainage (to include the Salt River Drainage) Moderate to High potential for flooding due to snowmelt is expected over portions of the North and South Forks of the Shoshone River Basin Moderate to High potential for snowmelt flooding is predicted over portions of the of the Sweetwater River Watershed Moderate potential for flooding associated with snowmelt is also expected across the upper to middle portions the of the Little and Big Wind Watersheds, the middle to upper portions of the Upper Green Drainage, the lower and/or upper potions of the North/South Forks of the Shoshone Basin, the upper and lower sections of the Upper Bear Watershed, and several basins across the Snake River Watershed. All other headwater basins (Upper North Platte, Laramie, Little Snake, Powder, and Tongue Basins) across Wyoming can expect a generally Low potential for flooding due to springtime snowmelt...

5 Wyoming Water Flow - Issue Sixty Three, Volume One

6 Wyoming Water Flow Issue Sixty Three Volume One Join the Colorado Foundation for Water Education for the Southwest Basin Tour, hosted in Colorado's beautiful San Juan mountains June Join us in Boulder on June 1 to learn about Colorado's changeable climate, climate change, and how we're planning for our water future. We'll hear from expert speakers and tour some of the exciting facilities and labs housed within the National Oceanic and Atmospheric Administration (NOAA) including the Space Weather Prediction Center and the National Weather Service.

7 The Water Planner 2017 Wyoming Water Flow - Issue Sixty Three, Volume One May 3-4 WWDC Consultant Selection Interviews 5 WWDC Meeting; Cheyenne, WY 8-12 BOC Meeting; Cheyenne, WY 9 Water Forum; Cheyenne, WY 10 Wyoming Water Update - Platte; Rawlins, WY 16 Wyoming Water Update - Bear; Evanston, WY 17 Wyoming Water Update Green; Pinedale, WY 18 Wyoming Water Update Snake/Salt; Jackson, WY 23 Wyoming Water Update Northeast; Lusk, WY 24 Wyoming Water Update Powder Tongue; Buffalo, WY 25 Wyoming Water Update Wind/Bighorn; Lander, WY June 5-6 WACD Board Meeting; Riverton, WY 7-9 Colorado River Basin Salinity Control Forum: Moran, WY 8 WWDC/SWC Workshop; Cheyenne, WY 9 WWDC/SWC Joint Meeting; Cheyenne, WY 19 WWA Board Work Session and Board Meeting; Lander, WY 20 WWA Summer Tour; Lander, WY July WY Game and Fish Commission Meeting; Afton, WY August 8-10 Western Water Seminar; Santa Fe, New Mexico Board of Control Meeting; Cheyenne, WY 15 WWDO Application Deadline for New Projects

8 Wyoming Water Flow Issue Sixty Three Volume One The Wyoming Water Association supports activities solely on membership dues and contributions. Our annual activities include educational opportunities, legislative reviews, scholarships, newsletters, a summer tour, an annual conference and notifications. Continue your support of the Wyoming Water Association by becoming or renewing your membership today! Visit our website at for more information! PO Box 1328; Powell, WY Ph: : radona@wyomingwater.org

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