Click here for a list of recent updates to this website

NOTE: The guidance on this site will continue to use data from GFS v14 beyond the June 2019 implementation of GFS v15.1 (FV3-GFS).

Click here for experimental guidance using GFS v15.1 (FV3-GFS)



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Last updated: Wed Jun 19 21:20:11 UTC 2019





Images from previous guidance cycle