Weather regimes and forecast errors in the Pacific Northwest

Weather and Forecasting

Volumn 24, Issue 3, 2009, Pages 829-842

  McMurdie, Lynn A ^a   Casola, Joseph H ^a  

^a UNIVERSITY OF WASHINGTON   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DATA ASSIMILATION; FORECAST ERRORS; GEOPOTENTIAL HEIGHT; LARGE-SCALE FLOWS; LOW PRESSURE SYSTEMS; NORTH AMERICAN; NUMERICAL WEATHER FORECASTS; NUMERICAL WEATHER PREDICTION; PACIFIC NORTHWEST; PRESSURE ERROR; ROCKY MOUNTAINS; SEA LEVEL PRESSURE; SHORT-TERM FORECASTS; TEMPERATURE ERROR; WEATHER REGIMES; WEST COAST; ZONAL FLOWS;

CLUSTERING ALGORITHMS; ERRORS; FORESTRY; LANDFORMS; SEA LEVEL;

WEATHER FORECASTING;

AIR TEMPERATURE; ALGORITHM; DATA ASSIMILATION; ERROR ANALYSIS; GEOPOTENTIAL; LOW PRESSURE SYSTEM; NUMERICAL METHOD; SEA LEVEL PRESSURE; WEATHER FORECASTING; ZONAL FLOW;

NORTH AMERICA; PACIFIC NORTHWEST; ROCKY MOUNTAINS;

EID: 69949144734     PISSN: 08828156     EISSN: None     Source Type: Journal    
DOI: 10.1175/2008WAF2222172.1     Document Type: Article

References (33)

1. Black, T., M. Pyle, and H.-Y. Huang, 2005: The operational WRF NMM at NCEP. Preprints, 34th Conf. on Broadcast Meteorology/21st Conf. on Weather Analysis and Forecasting/17th Conf. on Numerical Weather Prediction, Washington, DC, Amer. Meteor. Soc., 4B.4. [Available online at http://ams.confex.com/ams/WAFNWP34BC/techprogram/ paper_94734.htm.]
2. Black, T. L., 1994: The new NMC mesoscale Eta Model: Description and forecast examples. Wea. Forecasting, 9, 265-278.
3. Blackmon, M. L., J. M. Wallace, N.-D. Lau, and S. L. Mullen, 1977: An observational study of the Northern Hemisphere winter-time circulation. J. Atmos. Sci., 34, 1040-1053.
4. Casola, J. H., and J. M. Wallace, 2007: Identifying weather regimes in the wintertime 500-hPa geopotential height field for the Pacific-North American sector using a limited-contour clustering technique. J. Appl. Meteor. Climatol., 46, 1619-1630.
5. Chang, E. K. M., 2005: The impact of wave packets propagating across Asia on Pacific cyclone development. Mon. Wea. Rev., 133, 1998-2015.
6. Charles, M. E., and B. A. Colle, 2009: Verification of extratropical cyclones within the NCEP operational models. Part I: Analysis errors and short-term NAM and GFS forecasts. Wea. Forecasting, in press.
7. Cheng, W. Y. Y., and W. J. Steenburgh, 2007: Strengths and weaknesses of MOS, running-mean bias removal, and Kalman filter techniques for improving model forecasts over the western United States. Wea. Forecasting, 22, 1304-1318.
8. Cheng, X., and J. M. Wallace, 1993: Cluster analysis of the Northern Hemisphere wintertime 500-hPa height field: Spatial patterns. J. Atmos. Sci., 50, 2674-2696.
9. Colle, B. A., K. J. Westrick, and C. F. Mass, 1999: Evaluation of the MM5 and Eta-10 precipitation forecasts over the Pacific Northwest during the cool season. Wea. Forecasting, 14, 137-154.
10. Elmore, K. L., D. M. Schultz, and M. E. Baldwin, 2006: The behavior of synoptic-scale errors in the Eta Model. Mon. Wea. Rev., 134, 3355-3366.
11. Evenson, G., 2003: The ensemble Kalman filter: Theoretical formulation and practical implementation. Ocean Dyn., 53, 343-367.
12. Hakim, G. J., 2003: Developing wave packets in the North Pacific storm track. Mon. Wea. Rev., 131, 2824-2837.
13. Hakim, G. J., 2005: Vertical structure of midlatitude analysis and forecast errors. Mon. Wea. Rev., 133, 567-575.
14. Harper, K., L. W. Uccellini, E. Kalnay, K. Carey, and L. Morone, 2007: 50th Anniversary of operational numerical weather prediction. Bull. Amer. Meteor. Soc., 88, 639-650.
15. Hart, K. A., W. J. Steenburgh, D. J. Onton, and A. J. Siffert, 2004: An evaluation of mesoscale-model-based model output statistics (MOS) during the 2002 Olympic and Paralympic winter games. Wea. Forecasting, 19, 200-218.
16. Kalnay, E., and Coauthors, 1996: The NCEP/NCAR 40-Year Reanalysis Project. Bull. Amer. Meteor. Soc., 77, 437-471.
17. Kalnay, E., S. J. Lord, and R. D. McPherson, 1998: Maturity of operational numerical weather prediction: Medium range. Bull. Amer. Meteor. Soc., 79, 2753-2769.
18. Mass, C. F., D. Ovens, K. Westrick, and B. A. Colle, 2002: Does increasing horizontal resolution produce more skillful forecasts? Bull. Amer. Meteor. Soc., 84, 407-430.
19. McMurdie, L., and C. Mass, 2004: Major numerical forecast failures over the northeast Pacific. Wea. Forecasting, 19, 338-356.
20. Myrick, D. T., and J. D. Horel, 2006: Verification of surface temperature forecasts from the National Digital Forecast Database over the western United States. Wea. Forecasting, 21, 869-892.
21. Nutter, P. A., S. L. Mullen, and D. P. Baumhefner, 1998: The impact of initial condition uncertainty on numerical simulations of blocking. Mon. Wea. Rev., 126, 2482-2502.
22. Parsons, D., I. Szunyogh, and P. Harr, cited 2007: Scientific program overview THORPEX Pacific-Asian Regional Campaign (T-PARC). [Available online at www.ucar.edu/na-thorpex/tparc/SPO_PARC_revised.pdf.]
23. Pauley, P. M., 1998: An example of uncertainty in sea level pressure reduction. Wea. Forecasting, 13, 833-850.
24. Rabier, F., 2005: Overview of global data assimilation developments in numerical weather-prediction centers. Quart. J. Roy. Meteor. Soc., 131, 3215-3233.
25. Ramsey, F. L., and D. W. Schafer, 2002: The Statistical Sleuth: A Course in Methods of Data Analysis. Duxbury/Thomson Learning, 742 pp.
26. Reynolds, C. A., and R. Gelaro, 2001: Remarks on Northern Hemisphere forecast error sensitivity from 1996 to 2000. Mon. Wea. Rev., 129, 2145-2153.
27. Roebber, P. J., and A. A. Tsonis, 2005: A method to improve prediction of atmospheric flow transitions. J. Atmos. Sci., 62, 3818-3824.
28. Rogers, E., and Coauthors, 2005: The NCEP North American Mesoscale Modeling System: Final Eta model/analysis changes and preliminary experiments using the WRF-NMM. Preprints, 34th Conf. on Broadcast Meteorology/21st Conf. on Weather Analysis and Forecasting/17th Conf. on Numerical Weather Prediction, Washington, DC, Amer. Meteor. Soc., 4B.5. [Available online at http://ams.confex.com/ams/pdfpapers/ 94707.pdf.]
29. Shapiro, M. A., and A. J. Thorpe, 2004: THORPEX International Science Plan, version 3. WMO/TD 1246, 55 pp. [Available online at http://www.ucar.edu/na-thorpex/documents/thorpex_nov82004.pdf.]
30. Simmons, A. J., and A. Hollingsworth, 2002: Some aspects of the improvement of skill of numerical weather prediction. Quart. J. Roy. Meteor. Soc., 128, 647-677.
31. Ward, J. H., Jr., 1963: Hierarchical grouping to optimize an objective function. J. Amer. Stat. Assoc., 58, 236-244.
32. Wedam, G. B., L. A. McMurdie, and C. F. Mass, 2009: Comparisons of model forecast skill of sea level pressure along the East and West Coasts of the United States. Wea. Forecasting, 24, 843-854.
33. Wishart, D., 1969: An algorithm for hierarchical classifications. Biometrics, 25, 165-170.