Thursday, March 20, 2014

Further Upward Revision to Pacific Northwest Hydro Power Projection

The PNW River Forecast Center has been steadily revising its stream flow forecast for the Columbia River at the Dalles Dam this week.  And the runoff season forecast (APR-SEP) now stands at 103% of normal.  Last year actual for the same period was 100% of normal.

Here is the history of the APR-SEP 2014 forecast, with 10% and 90% intervals.  This should go a long way toward calming the fears over power shortages and excess natural gas demand this summer, after the stream flow forecast hit a low on January 31st.  

The forecast is in Million Acre Feet: