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<br />---~~=====-~----~===============~======~~===~=~========~===~====~=~=~================--~===================~=-==================== <br /> <br />ARKANSAS RIVER BASIN <br />Streamflow Forecasts - February 1, 2000 <br /> <br />Forecast Point <br /> <br />=-============-==============-============================~======~================================================================ <br /> <br />Forecast <br />Perlod <br /> <br /><<==~=== Drier ====== Future Conditlons <br /> <br />90\ <br />(lOOOM) <br /> <br />70\ <br />(lOOOM) <br /> <br />==================================================================== <br /> <br />Chalk Creek nr Nathrop APR-SEP 7.8 13.2 <br />Arkansas River at Salida APR-SEP B3 147 <br />Grape Creek nr Westc1iffe APR-SEP '.7 7.3 <br />Pueblo Reservoir Inflow APR-SEP 106 181 <br />Huerfano River n, Redwing APR-SEP '.8 7 .9 <br />Cucharas River n, La Veta APR-SEP '.S 6 .3 <br />Trinidad Lake Inflow APR-SEP 12.5 16.8 <br /> <br />Wetter =====>> <br /> <br />Chance of Exceeding <br />50% (Most Probable) <br />(lOOOM) (% AVG.) <br /> <br />10' <br />(lOOCAF) <br /> <br />30-Yr Avg. <br />(lOOOAF) <br /> <br />30' <br />(IOOOM) <br /> <br />------------------------------------- <br />-------------------~----------------- <br /> <br />20 <br />210 <br /> <br />69 <br /> <br />27 37 29 <br />273 36S 297 <br />19.3 32 20 <br />3S9 490 394 <br />16. 22 15.0 <br />14. 7 22 13 .0 <br />47 70 '3 <br /> <br />, <br /> <br />71 <br /> <br />11. 0 <br /> <br />270 <br />12.0 <br /> <br />Ss <br /> <br />6' <br />80 <br /> <br />, <br />j <br /> <br />10.0 <br />32 <br /> <br />77 <br /> <br />74 <br /> <br />ARKANSAS RIVER BASIN <br />Reservoir Storage (1000 AFI - End of January <br /> <br />================================================================================================================================== <br /> <br />ARKANSAS RIVER BASIN <br />Watershed Snowpack Analysis - February I, 2000 <br /> <br />Reservoir <br /> <br />usable I <br />Capacity <br /> <br />... Usable Storage <br />This Last <br />Year Year Avg <br /> <br />---------------------------------------------------------------------------------------------------------------------------------- <br />---------------------------------------------~------------------------------------------------------------------------~----------- <br /> <br />Average <br /> <br />Watershed <br /> <br />Number <br />of <br />Data Sites <br /> <br />This Year as % of <br /> <br />Last Yr <br /> <br />------------------------------------------------------------------------ -------------------------.----------------.-------------- <br />__________________._________w_____________________________._____________ -----.--------------------------------------------------- <br /> <br />ADOBE 70 .0 70.0 70.3 16.8 UPPER ARKANSAS BASIN 7 80 70 <br />CLEAR CREEK 11 .0 S.3 8.7 6.8 CUCHARAS & HUERFANO RIVER 7 " S. <br />GREAT PLAINS 150.0 129.8 96 .8 33.6 PURGATOIRE RIVER BASIN 2 106 8S <br />HOLBROOK 7.0 S .2 5. 2 3. 7 TOTAL ARKANSAS RIVER BASI 15 72 62 <br />HORSE CREEK 28. 0 25 .S 25. 8 9 .6 <br />JOHN MARTIN 335. 7 340. . 296.1 82 .5 <br />LAKE HENRY 8 .0 3. 3.1 .9 <br />MEREDITH 42. 0 39. 5 39. 6 11 .2 <br />PUEBLO 236. 7 254 .8 196. 8 136. . <br />TRINIDAD 72. 67 .2 20. . 27. 4 <br />TURQUOISE '126 .6 113 .5 96. 2 S4 .4 <br />TWIN LAKES 86. 0 49 .4 56. 5 36 .1 <br /> <br />The average is computed for the 1961-1990 base perlod. <br /> <br />================================================================================================================================== <br /> <br />. 90%, 70%, 30%, and 10% chances of exceeding are the probabilities that the actual volume will exceed the volumes in the table. <br /> <br />(1) The values listed under the 10\ and 90% Chance of Exceeding are actually 5\ and 95% exceedance levels. <br />(2) The value is natural volume - actual volume may be affected by upstream water management. <br />