Winter Snowpack Disaster: Colorado River Basin Faces Critical Shortages
The Colorado River basin is facing a severe snowpack crisis, with key headwaters in Colorado and Utah reporting the worst snowfall since 1981. Projections show Lake Powell inflow at a mere 2.3 million acre-feet from April to July, a staggering 36% of the usual amount. Lake Powell and Lake Mead are currently at 24% and 34% capacity, respectively, marking a dramatic decline from their full status at the start of the century.
Federal officials are racing to establish new sharing rules for shortages by October, as current cutbacks on states like Arizona risk exacerbating the problem. Arizona officials argue that proposed plans unfairly burden their state and overlook compact rules requiring upstream states to deliver minimum flows.
Despite the grim outlook, theres a glimmer of hope for Salt River Project supplies in Arizona. Fall and early winter rains have primed forest soils around Happy Jack, potentially improving snowmelt runoff into the Verde and Salt rivers. However, the Salt River above Roosevelt is forecast at a mere 24% of average runoff.
With up to 24% error in forecasts, theres still time for change before the water year ends in July. However, the short-term outlook calls for more warmth and dryness, making late snow a crucial factor in easing the pressure on the regions water supply.
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