green river basin: upper green/yampa/white and duchesne
DESCRIPTION
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 380350 – 385 NRCS daily: 361 325272 - PowerPoint PPT PresentationTRANSCRIPT
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Green River Basin:Upper Green/Yampa/White and
DuchesneCRFS
March 30, 2010
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Upper Green
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March 29, 2010
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NRCS Daily Forecast Model
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NWS-SWS: 430 no qpf – qpf
NWS-ESP: 398 380 350 – 385
NRCS daily: 361 325 272
NRCS statistical: 450 350/295r
Coordinated: 415/48% 380/44%
Model Guidance & Forecast
March 1 March 15 March 29
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ESP: Effect of Distributions and QPF5 days of QPF, then
climatologyClimatological precip
only
Wakeby 50%:479 kaf
Wakeby 50%:512 kaf
Empirical 50%:448 kaf
Empirical 50%:478 kaf
Weekly ESPon 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.
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NRCS Daily Forecast Model
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NWS-SWS: 650 no qpf – qpf
NWS-ESP: 464 449 420 – 460
NRCS daily: 533 504 443
NRCS statistical: 665 560/430r
Coordinated: 515/43% 470/40%
Model Guidance & Forecast
March 1 March 15 March 29
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Yampa/White
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March 29, 2010
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NRCS Daily Forecast Model
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NWS-SWS: 695 no qpf – qpf
NWS-ESP: 685 555 – 554
NRCS daily: 651 593
NRCS statistical: 695 540/635r
Coordinated: 695/70%
Model Guidance & Forecast
March 1 March 29
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NRCS Daily Forecast Model
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NWS-SWS: 334 no qpf – qpf
NWS-ESP: 267 230 – 227
NRCS daily: 247 245
NRCS statistical: 245/260r 250/265r
Coordinated: 265/73%
Model Guidance & Forecast
March 1 March 29
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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
50% - 9800 cfsd
90% - 6700 cfsd
10% - 13,500 cfsd
Flood
Bankfull
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Duchesne
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