Session 15B Data Assimilation III

Friday, 5 August 2005: 8:00 AM-10:00 AM
Ambassador Ballroom (Omni Shoreham Hotel Washington D.C.)
Host: 21st Conference on Weather Analysis and Forecasting/17th Conference on Numerical Weather Prediction
Chair:
Jennifer C. Roman, USAF/AFWA, Air Force Weather Agency, Offutt AFB, NE

Papers:
8:00 AM
15B.1
A comparison of sea level pressure analyses derived from QuikSCAT winds to manual surface analyses produced in the NOAA Ocean Prediction Center
Joan M. Von Ahn, STG, Inc. and NOAA/NESDIS, Camp Springs, MD; and J. M. Sienkiewicz and J. Patoux
Recorded presentation

Presentation PDF (73.6 kB)

8:15 AM
15B.2
The "Chromatic Hexad" method for adaptive anisotropic covariance synthesis
R. James Purser, IMSG and NOAA/NCEP/EMC, College Park, MD
Recorded presentation

Presentation PDF (145.6 kB)

8:30 AM
15B.3
Real-time ensemble data assimilation at the University of Washington
Ryan D. Torn, University of Washington, Seattle, WA; and G. J. Hakim

8:45 AM
15B.4
Ensemble-based sensitivity analysis
Gregory J. Hakim, University of Washington, Seattle, WA; and R. D. Torn

15B.5
Impact of data density in ensemble filters and smoothers

9:15 AM
15B.6
Impact of model error and imperfect initial condition perturbations on ensemble-based probabilistic forecasts: UNPREDICTABLE SPOTS
Jun Du, NOAA/NWS/NCEP/EMC, Camp Springs, MD

Presentation PDF (1.1 MB)

9:30 AM
15B.7
A sequential variational analysis approach for mesoscale data assimilation
Yuanfu Xie, NOAA/ERL/FSL, Boulder, CO; and S. E. Koch, J. A. McGinley, S. Albers, and N. Wang

Presentation PDF (1.3 MB)

9:45 AM
15B.8
Adaptive estimation of background and observation error statistics in variational data assimilation
Zhuo Liu, Universite du Quebec a Montreal, Montreal, QC, Canada; and M. Buehner and P. Gauthier
Recorded presentation

Presentation PDF (158.8 kB)

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