When NWSRFS, SEUS, and snow intersect
Title | When NWSRFS, SEUS, and snow intersect |
Publication Type | Conference Proceedings |
Year of Conference | 1996 |
Authors | Bissell, V. C. |
Conference Name | 64th Annual Western Snow Conference |
Series Title | Proceedings of the 64th Annual Western Snow Conference |
Date Published | April 1996 |
Publisher | Western Snow Conference |
Conference Location | Bend, Oregon |
Keywords | Forecasting, Modeling, NWSRFS |
Abstract | The National Weather Service River Forecast System (NWSRFS) is being implemented for river and water supply forecasting operations by the National Weather Service in the Pacific northwest. The initial process of calibration has been performed only by optimizing on the observed streamflow rather than on snow observations. The Snow Estimation and Updating System (SEUS) is a postprocessor which permits snow observations to be incorporated to update model states as the season progresses. The applicability of the NWSRFS suite of programs for water supply forecasting will be impacted by (1) reliability of data observations, (2) the cognitive value of the snow and soil moisture accounting conceptualizations, (3) the effect of daily operational changes ('modifications') made to the model to keep it tracking observed st;reamflow, and (4) the 'connectivity' between SEUS and the realism with which the snow simulation duplicates reality. An example of Dworshak Reservoir (Idaho) inflow forecasts suggests thetechnique is very promising despite difficulties. |
URL | sites/westernsnowconference.org/PDFs/1996Bissell.pdf |