R - University of Wisconsin MM5 Real Time Forecast and Forecast ...

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Assimilation in insensitive regions1200 UTC 13 February 200136 hour forecast mslp (cont. – assim.)25,00020,000Number <strong>of</strong> observations15,00010,0005,0000Observations in insensitiveregions assimilated at 0600 UTC
Questions?<strong>Real</strong>-time forecast sensitivities may be found athttp://helios.aos.wisc.edu
Page 1 and 2: Application and interpretation ofad
Page 3 and 4: Goals• Describe what an adjoint m
Page 5 and 6: Relationship between the nonlinear
Page 7 and 8: Application #1: Synoptic case studi
Page 9 and 10: Modeling System Used• MM5 Adjoint
Page 11 and 12: Mean sea level pressure and tempera
Page 13: 36h temperature sensitivity evoluti
Page 17 and 18: ∂R∂u∂R∂v700 hPa sensitiviti
Page 19 and 20: 700 hPa sensitivity gradients valid
Page 21 and 22: Impact study of McTaggart-Cowan (20
Page 23 and 24: Initial state (250:300 hPa PV)
Page 25 and 26: Final state
Page 27 and 28: Application #2: Identification of
Page 29 and 30: Control and perturbed analyses
Page 31 and 32: VERIFYING ANALYSISDAY-5 FORECAST“
Page 33 and 34: Application #3: 4DVAR data assimila
Page 35 and 36: La CASsE STUDY1200 UTC 13 February
Page 37: Assimilation in sensitive regions12

R - University of Wisconsin MM5 Real Time Forecast and Forecast ...

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