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Fontenelle Reservoir Overview CRFS Meeting, November 19, 2009

Fontenelle Reservoir Overview CRFS Meeting, November 19, 2009. 2009 Operations Review. Wind River Mountains near Pinedale, WY 6/20/2009. Observed Snowpack Water Year 2009. Inflow and Release. 2009 Apr-Jul Inflow 968 KAF (113%). 2008 Apr-Jul Inflow 582 KAF (68%).

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Fontenelle Reservoir Overview CRFS Meeting, November 19, 2009

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  1. Fontenelle Reservoir OverviewCRFS Meeting, November 19, 2009

  2. 2009 OperationsReview

  3. Wind River Mountains near Pinedale, WY 6/20/2009 Observed Snowpack Water Year 2009

  4. Inflow and Release 2009Apr-Jul Inflow968 KAF (113%) 2008Apr-Jul Inflow582 KAF (68%) 2007Apr-Jul Inflow294 KAF (34%)

  5. Observed Inflow and ReleaseWater Year 2009 Inflow: 8,360 cfs Green River at La Barge, WY 6/20/2009 Release: 8.040 cfsFontenelle Dam 6/21/2009

  6. Reservoir Elevation

  7. Observed Reservoir ElevationWater Year 2009 Elevation 6503.8 ft above sea level 2 ft below top of pool Fontenelle Dam, WY 6/20/2009

  8. 80% Probability between 485 and 990 KAF 750 (87% of avg) April ’09 ForecastPresented at April Working Group Meeting 1971-2000 avg 858kaf 1976-2005 avg 759kaf

  9. 750 (87% of avg) Observed Inflow 2009 April – July Runoff Season 2009 Apr – Jul Inflow 968 KAF (113% of average)

  10. Projected 2009 Inflow ScenariosPresented at April Working Group Meeting

  11. Observed 2009 InflowAs of Aug 15, 2009

  12. Projected 2009 Release ScenariosPresented at April Working Group Meeting

  13. Observed 2009 ReleaseAs of Aug 15, 2009

  14. Water Year 2010 Projected Operations

  15. Inflow ScenariosWater Year 2010 Forecast WY2009 Most Probable Inflow 1136 KAF (91%) Water Year 2010 Most Probable 1,158 KAF (94%)

  16. Release ScenariosWater Year 2010 Water Year 2009 Modeled Baseflow 1,100 cfs

  17. Elevation ScenariosWater Year 2010

  18. Green River at La Barge, WY 6/20/2009 Questions / Comments ?

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