The 2010 Atlantic hurricane season had above normal activity, with 404 official
forecasts issued. The NHC official track forecast errors in the Atlantic basin were similar
to the previous 5-yr means from 12-36 h, but up to 26% smaller beyond 36 h, and set a
record for accuracy at 120 h. On average, the skill of the official forecasts was very close
to that of the TCON/TVCN consensus models, as well as to the best performing of the
dynamical models. The EMXI and GFSI exhibited the highest skill, and the EGRI
performed well at longer forecast times. The NGPI and GFNI were the poorer
performing major dynamical models. Among the consensus models, FSSE (a corrected
consensus model) performed the best overall for the second year in a row. The corrected
versions of TCON, TVCN, and GUNA, however, did not perform as well as their parent
models. The Government Performance and Results Act of 1993 (GPRA) track goal was
met.
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