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Model-data comparison for extra-tropical storm in 2007

Model-data comparison for extra-tropical storm in 2007. Model set-up Fully coupled SELFE-WWM; I.C. and B.C. from Wave Watch III NARR wind (~32km resolution) Dt=60sec (no split between 2 models) No. of frequency components = 34; no. of directions = 36 Benchmark:

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Model-data comparison for extra-tropical storm in 2007

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  1. Model-data comparison for extra-tropical storm in 2007 • Model set-up • Fully coupled SELFE-WWM; I.C. and B.C. from Wave Watch III • NARR wind (~32km resolution) • Dt=60sec (no split between 2 models) • No. of frequency components = 34; no. of directions = 36 Benchmark: • 20-day run took 50 hours on 30 CPUs NDBC buoys Buoy stations

  2. Wind (NARR) U No data V

  3. Wave Height This is the under-estimation Will referred to SWAVE results For 44008 • For buoy 44008, SELFE-WWM under-estimates • max. by ~0.6m, compared to ~2m in SWAVE • Buoy 44014 is near boundary and has larger error • from WW3

  4. Wave Height (different scale to see details)

  5. Tp SWAVE results For 44008 Note the transition from wind sea to swell sea near April 7 captured in SELFE-WWM

  6. Tm02 comparison Error from B.C.. again

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