Introduction

       Operational high-resolution environmental prediction over the Pacific Northwest has been sponsored by a consortium of local, state, and Federal agencies.  Each agency recognizes its need for detailed weather information and that by combining resources and talent we could accomplish what was impossible to do alone.  The activities of the consortium include:
 

History

      The Northwest Consortium began in the early 1990's when a group of agencies recognized the lack of upper air data over Puget Sound.  By pooling funds, five agencies were able to purchase a Radian 915 Mhz profiler in 1992.  By the mid 1990's, research at the University of Washington and elsewhere suggested that high resolution mesoscale weather prediction models could be run on workstations, and that the results for Northwest weather features were quite promising.  In 1994 the Consortium provided funds to the University of Washington for an evaluation of the MM5 over the Pacific Northwest and the purchase of a powerful single processor workstation.  With promising results, this activity led to the beginning of operational MM5 forecasts (single 27-km domain) in 1995.  In 1996 the Consortium purchased a SUN 4000 with 14 processors.  This acquisition was made possible by an exceptional discount provided by SUN.  With greatly increased computer power, during late 1996 a new model configuration was established:  36 km grid spacing over the eastern Pacific and 12-km over the Northwest.  A year later, upgrades to the processors allowed the enlargement of the 36 and 12 km domains, and the additional of a 4-km domain over the western half of Washington State.   In 1999 and 1999 substantial improvements were made to the modeling system and work on forcing a distributed hydrological prediction system  with the MM5 were began.  In the latter year a 4-processor Alphaserver was acquired , allowing the 4-km domain to be expanded to the entire State of Washington.  During mid-2000, a SUN 6500 server with 23 processors was acquired and the 4-km domain was expanded to include both Oregon and Washington.  The additional computer resources allowed the initiation of an regional ensemble forecasting system, in which the MM5 was run several times using different large scale initalizations/boundary conditions and varying physics.  Also in 2000, a real-time effort to run the CALGRID air quality model forced by the MM5 was begun.   In addition, smoke,ventilation, and fire products driven by local data assets and the MM5 have been added. During the last several years, signficant improvements in the output graphics, model physics, and web site have been made, and the ensemble system has been expanded.  A parallel WRF system was initiated in 2006 and in February 2008, the high resolution prediction system was moved to WRF, including a substantial expansion of the 4-km domain and the extension of 4-km domain to 72h.

   In addition to the modeling effort, considerable emphasis has been placed on gathering all available Northwest telemetered networks to create a dense, real-time observational data base for use in forecasting, verification, and research.
 

Consortium Membership

    Current members of the consortium include:

Contributing Members

Current Major Computer Assets

Consortium Meetings

The chair of the Northwest consortium is Robert Wilson of the Environmental Prediction Agency (Region X, Seattle office).

His contact information is: Wilson.Rob@epamail.epa.gov, 206-553-1675.

The Northwest Consortium meets quarterly at the NOAA facility in Seattle.  Typically, the air quality subcommittee meets in the morning, with the full meeting during the afternoon.
 

Consortium Membership and Contact List