Statistics – Computation
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsa51a1529f&link_type=abstract
American Geophysical Union, Fall Meeting 2008, abstract #SA51A-1529
Statistics
Computation
0545 Modeling (4255), 2102 Corotating Streams, 2447 Modeling And Forecasting, 7924 Forecasting (2722), 7959 Models
Scientific paper
A key requirement of models used for space weather forecasting is making them flexible enough to exploit new computational capabilities as technology advances. This flexibility occurs when models are made scalable and portable while maintaining their existing capabilities and accuracy. Scalability allows the models to run faster as more processors are added. Portability enables the models to run on a variety of computing platforms. This makes operational procurement decisions more flexible and cost-effective. The Battlespace Environments Institute (BEI) project supports the coupling of Earth system environment models, such as oceans and atmospheres together, under the Earth System Modeling Framework (ESMF). The project mandates scalability and portability of the coupled models to adapt readily to changing computational environments. The Space Weather Modeling System (SWMS) is a BEI model of solar-terrestrial space weather. The Hakamada-Akasofu-Fry version 2 (HAFv2) solar wind model and the Ionospheric Forecast Model (IFM) are the first two coupled components in SWMS. The HAFv2 model produces quantitative forecasts of solar wind parameters at Earth and elsewhere in the inner heliosphere. The IFM is the physics-based ionosphere model of Global Assimilation of Ionospheric Measurements (GAIM) data-assimilation model. IFM provides highly representative specifications of plasma conditions in the global ionosphere. Coupling these two models together in the SWMS enables multi-day forecasts of solar wind and ionospheric disturbances. SWMS is an example of a successful transition of research to operations that is flexible while maintaining accuracy. This capability is crucial to DoD because it provides their warfighters with the actionable space weather forecasts that they need to make operational decisions. We present the solar wind and ionospheric results of the SWMS model for the large solar storm of April 6-7, 2000 with comparisons to solar wind and ionospheric data.
Berman L. M.
Eccles J.
Fry Craig D.
Reich J. P.
Sattler M. P.
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