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Water Year 2009 Forecast Review: Upper Colorado River Basin

Water Year 2009 Forecast Review: Upper Colorado River Basin. CRFS November 19, 2009. Colorado River near Cameo. Colorado River above Cameo (>20 years POR), missing Schofield/Fremont Pass. 2914 kAF / 120%. r=routed with upstream preferred. Colorado – Cameo, Nr (CAMC2).

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Water Year 2009 Forecast Review: Upper Colorado River Basin

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  1. Water Year 2009 Forecast Review: Upper Colorado River Basin CRFS November 19, 2009

  2. Colorado River near Cameo

  3. Colorado River above Cameo(>20 years POR), missing Schofield/Fremont Pass

  4. 2914 kAF / 120% r=routed with upstream preferred

  5. Colorado – Cameo, Nr (CAMC2) Streamflow Scatterplot ~ 1991-2009 ~ Coordinated Forecast January April June

  6. Gunnison River – Blue Mesa Reservoir

  7. Gunnison R. Inflow to Blue Mesa(>20 years POR), missing Schofield

  8. 775 kAF / 107%

  9. Blue Mesa Reservoir Inflow High inflows continue caused by rain and very high freezing levels. Two periods of warm temperatures Several weeks of above 32 degree minimum temperatures begin 4/1 5/1 6/1 Porphyry Creek Precipitation - Accumulation Month long dry period begins Month long dry period ends. Start of wet pattern with above 32 degree temperatures. 4” SWE storm 4/1 5/1 6/1 Porphyry Creek Temperature - Instantaneous Max means 32.0 Min means Elevation: 10,760

  10. Gunnison – Blue Mesa Reservoir (BMDC2) Streamflow Scatterplot ~ 1991-2009 ~ Coordinated Forecast April January June

  11. 110 kAF / 107% 114 kAF / 112% 99 kAF / 99% 254 kAF / 79%

  12. San Juan River – Navajo Reservoir

  13. Average June precipitation is just 0.9” – not a significant contributor to the water year total, compared with Dec-Mar which average ~2” each.

  14. San Juan R. Inflow to Navajo(>20 years POR) More than half of last year’s peak SWE amount was on the ground before the end of December.

  15. 660 kAF / 84% of average

  16. San Juan – Navajo Reservoir (NVRN5) Streamflow Scatterplot ~ 1991-2009 ~ Coordinated Forecast January April June

  17. 184 kAF / 90% 46 kAF / 79% 407 kAF / 93%

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