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Lower Colorado Basin

Lower Colorado Basin. CRFS March 29, 2011. Virgin River. March 1. March 24. NWS-SWS: 135 NWS-ESP: 125 115 NRCS daily: 145 NRCS statistical: 130 Coordinated: 110/ 268% median or 172% average. Historical Comparison. Virgin Basin Snow Plot

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Lower Colorado Basin

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  1. Lower Colorado Basin CRFS March 29, 2011

  2. Virgin River

  3. March 1 March 24 NWS-SWS: 135 NWS-ESP: 125 115 NRCS daily: 145 NRCS statistical: 130 Coordinated: 110/ 268% median or 172% average

  4. Historical Comparison Virgin Basin Snow Plot 2005 / 2010 / 2011 / Average Dec 2011 Virgin River Flow (incl. Santa Clara) 2005 / 2010 2005 Flood 2005 snowmelt 2010 Apr-July 66 KAF

  5. Paria River Muddy Creek Virgin River Little Colorado Colorado River - Lake Powell to Diamond Fork Intervening Flow Forecasts: Lake Powell to Lake Mead / Where is the skill ?

  6. 2011LOWER COLORADO BASINLAKE MEAD LOCAL (Intervening Flow) ESP Generated Issued Mid March            March110 KAF ( 92 % of average)            April 100 KAF ( 87 % of average)            May 85 KAF (102 % of average) April - July Forecast: 260 KAF ( 90% of average) March - July Forecast: 370 KAF ( 90% of average)

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