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Green River Basin: Upper Green/Yampa/White and Duchesne

Green River Basin: Upper Green/Yampa/White and Duchesne. CRFS March 30, 2010. Upper Green. March 29, 2010. NRCS Daily Forecast Model. March 1. March 15. March 29. NWS-SWS: 430 no qpf – qpf NWS-ESP: 398 380 350 – 385 NRCS daily: 361 325 272

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Green River Basin: Upper Green/Yampa/White and Duchesne

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  1. Green River Basin:Upper Green/Yampa/White and Duchesne CRFS March 30, 2010

  2. Upper Green

  3. March 29, 2010

  4. NRCS Daily Forecast Model

  5. March 1 March 15 March 29 NWS-SWS: 430 no qpf – qpf NWS-ESP: 398380 350 – 385 NRCS daily: 361325 272 NRCS statistical: 450 350/295r Coordinated: 415/48% 380/44% Model Guidance & Forecast

  6. ESP: Effect of Distributions and QPF 5 days of QPF, then climatology Climatologicalprecip only Wakeby 50%: 512 kaf Wakeby 50%: 479 kaf Empirical 50%: 478 kaf Empirical 50%: 448 kaf Weekly ESP on web Exceedance Levels Exceedance Levels In this case the 5 day QPF total is less than the climatological total for those 5 days, therefore the ESP volumes are lower.

  7. NRCS Daily Forecast Model

  8. March 1 March 15 March 29 NWS-SWS: 650 no qpf – qpf NWS-ESP: 464449 420 – 460 NRCS daily: 533504 443 NRCS statistical: 665 560/430r Coordinated: 515/43% 470/40% Model Guidance & Forecast

  9. Yampa/White

  10. March 29, 2010

  11. NRCS Daily Forecast Model

  12. March 1 March 29 NWS-SWS: 695 no qpf – qpf NWS-ESP: 685555 – 554 NRCS daily: 651593 NRCS statistical: 695540/635r Coordinated: 695/70% Model Guidance & Forecast

  13. NRCS Daily Forecast Model

  14. March 1 March 29 NWS-SWS: 334 no qpf – qpf NWS-ESP: 267230 – 227 NRCS daily: 247245 NRCS statistical:245/260r250/265r Coordinated: 265/73% Model Guidance & Forecast

  15. Flood Bankfull 10% - 13,500 cfsd 50% - 9800 cfsd 90% - 6700 cfsd Daily Peak -- Seasonal Maximum # Analysis Period: 3/25/2010 - 8/1/2010 (MST) # # Exc. Prob. 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 # ---------------------------------------------------------------------------------------------------------- 6700 7600 8400 9100 9800 10400 11100 11900 13500 CFSD

  16. Duchesne

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