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<br />J~N- 4-97 WED 14:46 UPPER COLORADO <br /> <br />- <br /> <br />RIVER COMM <br />e <br /> <br />Iq~~~ <br />D~to-.. <br /> <br />REeelVED <br />J UNO 4 1997 . <br /> <br /> <br />UPPER COLORADO <br />RIVER COMMISSION <br /> <br />Colorado Water <br />ConseMltion Soard <br /> <br />355 South 400 East. Salt Lake City · Utah 84111 · 801-531-1150 · FAX 801.531.9705 <br /> <br />MEMORANDUM. FAX <br /> <br />fti:-7 ~'I' ,ot poo'. <br />PuDt~ /, <br />Fo. Nol. (P/'f; '91 (._ <br /> <br />~~dnb_ <br /> <br />nl'~ <br /> <br />Fro'" <br /> <br />TO; Colorado River Work Group Members, <br />Phil Mutz <br />Jennifer Gimbel <br />Robert King <br />John W. Shields <br />Gene Jenscok <br /> <br />~1I0nog <br /> <br />FROM: <br /> <br />Executive Director <br /> <br />DATE: <br /> <br />June 4, 1997 <br /> <br />I <br /> <br />SUBJECT: MATERIALS PRESENTED AT JUNE 3, 1997 COLORADO RIVER <br />WORK GROUP MEETING. LAS VEGAS <br /> <br />I was surprised to see the significant difference between the 70R5 and the 70A5 <br />strategies (Graph 2) and the lack of difference in a 70R (no look ahead) and the 70R5 <br />(Graph 41, 42, and 431. The lack of difference in look ahead strategy was not consistent <br />with our Staff analysis as previously made available to you. I called Randy and Rod this <br />morning to try and reconcile my discomfort. <br /> <br />Rod has an inconsistency in the 70R5 run's in that it is really just 5 years of <br />average inflows not 1 year of 70% and 4 years of average. He has consented to re-run <br />the 70R strategies (both 1 year and 5 year look ahead), re-plot the appropriate comparative <br />graphs and get them sent out to us in the near future (:t: week). I think we will then see <br />the difference between 1 year and 5 year look ahead on Graphs 41, 42, and 43. We will <br />also see 70R5 and 70A5 plot much closer together. A 70R strategy (1 year) will remain <br />quite close to the flood strategy. However, a 70R5 will approach the present 70A5 plots. <br />The difference between 70R and 70R5/70A5 will become greatest in the early years (:l: 15 <br />years) and will demonstrate our concerns about any look ahead strateav until California <br />demonstrates the ability to live within its allotment of 4.4 maf in a normal Year. <br /> <br />If you have questions before you see the revised data, please call. J am preparing <br />']draft" correspondence to carry out our original game plan. <br /> <br /> <br />g. <br /> <br />