This research was supported by the USWRP program (ATM-9612876) and the Office of Naval Research (Grant No. N00014-94-1-0098 and N00014-98-1-0193). We wish to thank Dr. Brad Colman for the Portland WSR-88D data; Scott Pattee for the SNOTEL observations; Dr. Brad Smull and the Environmental Technology Laboratory (ETL) in Boulder, Colorado, for the Astoria profiler data; Dr. David Schultz for programs to read the NCAR-archived ECMWF grids; Curtis James for software necessary to interpolate and display the WSR-88D data, and Ken Westrick for generating the topography/rain gauge map. Comments and suggestions by Ken Westrick and the anonymous reviewers helped improve the manuscript. Use of the MM5 was made possible by the Microscale and Mesoscale Meteorological Division of the National Center for Atmospheric Research (NCAR), which is supported by the National Science Foundation.
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