Sat Sep 09 2017 12:22 PM

Model performance history for Irma. ECMWF has performed best. The upgraded GFS (AVNO), not so much.

OFCL is the OFFICIAL forecast track (NHC), and not a model.
TVCN is a Variable Consensus of other models

Image credit: UAlbany h/t Michael Ventrice @MJVentrice

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