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

Published byPeter Cobb Modified over 8 years ago

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Presentation on theme: "Water Year 2009 Forecast Review: Green River Basin CRFS November 19, 2009."— Presentation transcript:

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

2 Green River above Fontenelle

3

4 Years: 1981-2009 2009 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).

5 Green River Above Fontenelle (> 20 Years POR)

6 967 kAF / 113% ForecastRFCNRCSCOORD DateESPSWSPREFDAILYLEGACYPREFKAF% AVG Jan 1775855765701840/780r78076589% Feb 1722820765774850/795r79576589% Mar 1690680690712785/720r715 83% Apr 1733686730713770/720r715 83% May 1770708750811835/785r750 87% Jun 1640 719660720810/760r750705 82%

7 Streamflow Scatterplot ~ 1991-2009 ~ Coordinated Forecast Green - Fontenelle Res, Fontenelle Nr (GBRW4) April January June

8 Green River above Flaming Gorge

9

10 Green River above Flaming Gorge (>20 year POR)

11 Flaming Gorge Local (> 20 Years POR)

12 1197 kAF / 101% ForecastRFCNRCSCOORD DateESPSWSPREFDAILYLEGACYPREFKAF% AVG Jan 1101010619009631080/1060r102091076% Feb 181510569109821120/915r91591076% Mar 17509688209221070/970r845 71% Apr 182010208209901070/985r80081068% May 1929119089011481200/1060r890 75% Jun 178392980510131190/1050r89085071%

13 Streamflow Scatterplot ~ 1991-2009 ~ Coordinated Forecast Green – Flaming Gorge Reservoir (GRNU1) JanuaryApril June

14 Yampa River Basin

15

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

17 522 kAF / 142% ForecastRFCNRCSCOORD DateESPSWSPREFDAILYLEGACYPREFKAF% AVG Jan 1348355360319340/345r34535096% Feb 1410415 416420/395r400 110% Mar 1411439430433430/430r420430118% Apr 1464467430471440/430r430 118% May 1542476505472420/490r490 134% Jun 1457418455423370/440r440445122%

18 Yampa River near Maybell (>20 years POR)

19 1137 kAF / 115% ForecastRFCNRCSCOORD DateESPSWSPREFDAILYLEGACYPREFKAF% AVG Jan 1890913900888845/940r94091076% Feb 11068975103011131060/1120r11001070108% Mar 19681080107010881050/1120r1070 108% Apr 110101027101011091070/1070r1070 108% May 11034-1020989965/1060r10501040105% Jun 1 969932955854930/990r99096597%

20 2009 Mean Daily Peak: 15,600 cfs on 5/27 Yampa River at Deerlodge Peak Flow Forecasts (mean daily cfs)

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