http://www.twisterdata.com/index.php?prog=forecast&model=NAM&grid=221&model_yyyy=2017&model_mm=12&model_dd=20&model_init_hh=10&fhour=00&parameter=TMPF&level=2&unit=M_ABOVE_GROUND&maximize=n&mode=singlemap&sounding=n&output=image&view=large&archive=false

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http://www.pivotalweather.com/model.php

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