There will be no formal meetings of the working group after April 27. The participants of the group will continue research by means of long distance communication: e-mail and fax.
Please contact sghosh .at. stat.ncsu.edu or mpensky .at. pegasus.cc.ucf.edu for more information.

Summary of meetings # 8 and 9 on April 20th and April 27th: The group met and discussed the data assimilation algorithm based on SAR models and its implementation. The group will write MatLab code for simulations. A part of the code posted by Kayo Ide for her class will be used.

Presentation slides for the special NEDD on April 08, 2005

Summary of meeting #7 on April 6th, 3:30-5pm

Summary of meeting #6 on March 30th, 3:30-5pm

Summary of meeting #5 on March 23th, 3:30-5pm

Summary of meeting #4 on March 16th, 3:30-5pm

Summary of meeting #3 on February 23rd, 3:30-5pm

Summary of meeting #2 on February 16th, 3:30-5pm

Summary of meeting #1: The estimation and prediction group met on February 9th, 3-4:30 pm. Basic issues in empirical verification of operational numerical weather forecasts were discussed. It is anticipated that the next meeting on February 10th will continue on with this discussion.

References:

  1. M. Wall, "A close look at the spatial structure implied my CAR and SAR models," J. Stat. Planning and Inference, 121 pp. 311-324 (2004) (pdf)
  2. E. Ott et al., "A local ensemble Kalman filter for atmospheric data assimilation," Tellus 56A pp. 415-428 (2004) (pdf)
  3. I. Szunyogh et al., "Assessing a local ensemble Kalman filter: Perfect model experiments with the NCEP global model," Tellus 57A (2005) in press (pdf)
  4. I. Szunyogh et al., "A local ensemble Kalman filter for the NCEP GFS model," 84th AMS Annual Meeting 2004; Seattle, WA (pdf)