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How does FARSITE handle winds in complex terrain?

April 26, 2017complex farsite terrain winds

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How does FARSITE handle winds in complex terrain?

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A9. Not very well at present, mainly because we do not have access to data that represent spatial variation in winds or weather. FARSITE uses winds as a stream of data describing temporal variations in speed and direction. This is a non-spatial wind stream, and you must use more than one weather and wind stream to approximate a limited amount of spatial variation in winds or weather variables (see Simulate > Modify Map > Weather Monitoring Grid). FARSITE does allow you to use spatial weather and wind grids that are produced externally to FARSITE (by some atmospheric simulation, see Gridded Weather). However, most people to not yet have access to these kinds of models.