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

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Application #3: 4DVAR data assimilationinitial timefinal timebackground fieldoriginal forecastobservationsobservation errornew initial conditionsnew forecast
La CASsE STUDY1200 UTC 13 February 2001NCEP final analysis (mslp) and shipand buoy observations of wind (ms -1 )and mean sea level pressureNCEP final analysis (blue) and36 hour MM5 forecast (red) mslp
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: Application #3: 4DVAR data assimila
Page 37 and 38: Assimilation in sensitive regions12
Page 39: Questions?Real-time forecast sensit

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

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