Water Year 2009 Forecast Review: Green River Basin CRFS November 19, 2009.

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Presentation transcript:

Water Year 2009 Forecast Review: Green River Basin CRFS November 19, 2009

Green River above Fontenelle

Years: Elevation 9,400 feet Note: June Precipitation (6.9 inches) was 52% of the Precipitation received during April-July (13.3 inches) and was 25% of the Precipitation received during October-July (27.1 inches).

Green River Above Fontenelle (> 20 Years POR)

967 kAF / 113% ForecastRFCNRCSCOORD DateESPSWSPREFDAILYLEGACYPREFKAF% AVG Jan /780r % Feb /795r % Mar /720r715 83% Apr /720r715 83% May /785r750 87% Jun /760r %

Streamflow Scatterplot ~ ~ Coordinated Forecast Green - Fontenelle Res, Fontenelle Nr (GBRW4) April January June

Green River above Flaming Gorge

Green River above Flaming Gorge (>20 year POR)

Flaming Gorge Local (> 20 Years POR)

1197 kAF / 101% ForecastRFCNRCSCOORD DateESPSWSPREFDAILYLEGACYPREFKAF% AVG Jan /1060r % Feb /915r % Mar /970r845 71% Apr /985r % May /1060r890 75% Jun /1050r %

Streamflow Scatterplot ~ ~ Coordinated Forecast Green – Flaming Gorge Reservoir (GRNU1) JanuaryApril June

Yampa River Basin

Little Snake R. near Lily (>20 Years POR)

522 kAF / 142% ForecastRFCNRCSCOORD DateESPSWSPREFDAILYLEGACYPREFKAF% AVG Jan /345r % Feb /395r % Mar /430r % Apr /430r % May /490r % Jun /440r %

Yampa River near Maybell (>20 years POR)

1137 kAF / 115% ForecastRFCNRCSCOORD DateESPSWSPREFDAILYLEGACYPREFKAF% AVG Jan /940r % Feb /1120r % Mar /1120r % Apr /1070r % May /1060r % Jun /990r %

2009 Mean Daily Peak: 15,600 cfs on 5/27 Yampa River at Deerlodge Peak Flow Forecasts (mean daily cfs)

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