Initial condition sensitivity of Western Pacific extratropical transitions determined using ensemble-based sensitivity analysis

Monthly Weather Review

Volumn 137, Issue 10, 2009, Pages 3388-3406

  Torn, Ryan D ^a,b   Hakim, Gregory J ^a  

^a UNIVERSITY OF WASHINGTON   (United States)

^b STATE UNIVERSITY OF NEW YORK   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ENSEMBLE FORECASTS; ENSEMBLE KALMAN FILTER; EXTRATROPICAL TRANSITION; FORECAST ERRORS; GLOBAL FORECAST SYSTEMS; INITIAL CONDITIONS; MIDLATITUDES; SIGNIFICANT IMPACTS; SURFACE STATION; TROPICAL CYCLONE; WEATHER RESEARCH AND FORECASTING MODELS; WESTERN PACIFIC; ZONAL WIND;

AIRCRAFT; CONTROL THEORY; ERRORS; HURRICANES; RADIOSONDES; SENSITIVITY ANALYSIS; STORMS;

WEATHER FORECASTING;

DATA ASSIMILATION; ENSEMBLE FORECASTING; ERROR ANALYSIS; EXTRATROPICAL ENVIRONMENT; OBSERVATIONAL METHOD; PERTURBATION; SENSITIVITY ANALYSIS; STORM TRACK; TROPOSPHERE; TYPHOON; WEATHER FORECASTING; ZONAL WIND;

PACIFIC OCEAN; PACIFIC OCEAN (WEST);

EID: 70449106811     PISSN: 00270644     EISSN: None     Source Type: Journal    
DOI: 10.1175/2009MWR2879.1     Document Type: Article

References (40)

1. Ancell. B., and G. J. Hakim, 2007: Comparing adjoint and ensemble sensitivity analysis with applications to observation targeting. Mon. Wea. Rev., 115, 4117-4134.
2. Anderson, J. L., and S. L. Anderson, 1999: A Monte Carlo implementation of the nonlinear filtering problem to produce ensemble assimilations and forecasts. Mon. Wea. Rev., 127, 2741-2758.
3. Anwender, D., M. Leutbecher, S. Jones, and P. Harr, 2006: Sensitivity of ensemble forecasts of extratropical transition, to initial perturbations targeted on the tropical cyclone. Preprints, 27th Conf. on Hurricanes and Tropical Meteorology, Monterey, CA, Amer. Meteor. Soc., 4A.5.
4. Anwender, D., P. A. Harr, and S. C. Jones, 2008: Predictability associated with the downstream impacts of the extratropical transition of tropical cyclones: Case studies. Mon. Wea. Rev., 136, 3226-3247.
5. Barker, D. M., W. Huang, Y. R. Guo, A. J. Bourgeois, and Q. N. Xiao, 2004: A three-dimensional variational data assimilation system for MM5: Implementation and initial results. Mon. Wea. Rev., 132, 897-914.
6. Browning, K. A., A. J. Thorpe, A. Montani, D. Parsons, M. Griffiths, P. Panagi, and E. M. Dicks, 2000: Interactions of tropopause depressions with an ex-tropical cyclone and sensitivity of forecasts to analysis errors. Mon. Wea. Rev., 128, 2734-2755.
7. Chen, Y., and C. Snyder, 2007: Assimilating vortex position with an ensemble Kalman filter. Mon. Wea. Rev., 135, 1828-1845.
8. Dirren, S., R. D. Torn, and G. J. Hakim, 2007: A data assimilation case study using a limited-area ensemble Kalman filter. Mon. Wea. Rev., 135, 1455-1473.
9. Ek, M. B., K. E. Mitchell, Y. Lin, E. Rodgers, P. Grunmann, V. Koren, G. Gayno, and J. D. Tarpley, 2003: Implementation of Noah land surface model advances in the National Centers for Environmental Prediction operational mesoscale Eta model. J. Geophys. Res., 108, 8851, doi:10.1029/2002JD003296.
10. Evans, J. L., J. M. Arnott, and F. Chiaromonte, 2006: Evaluation of operational model cyclone structure forecasts during extratropical transition. Mon. Wea. Rev., 134, 3054-3072.
11. Gaspari, G., and S. E. Conn, 1999: Construction of correlation functions in two and three dimensions. Quart. J. Roy. Meteor. Soc., 125, 723-757.
12. Hakim, G. J., and R. D. Torn, 2008: Ensemble synoptic analysis. Fred Sanders Monograph, L. F. Bosart and H. B. Bluestein, Eds., Amer. Meteor. Soc., 147-161.
13. Harr, P. A., and R. L. Elsberry, 2000: Extratropical transition of tropical cyclones over the western North Pacific. Part I: Evolution of structural characteristics during the transition process. Mon. Wea. Rev., 128, 2613-2633.
14. Harr, P. A., D. Anwender, and S. C. Jones, 2008: Predictability associated with the downstream impacts of the extratropical transition of tropical cyclones: Methodology and a case study of Typhoon Nabi (2005). Mon. Wea. Rev., 136, 3205-3225.
15. Hart, R. E., 2003: A cyclone phase space derived from thermal, wind and thermal asymmetry. Mon. Wea. Rev., 131, 585-616.
16. Hong, S.-Y., J. Dudhia, and S.-H. Chen, 2004: A revised approach to ice microphysical processes for the bulk parameterization of clouds and precipitation. Mon. Wea. Rev., 132, 103-120.
17. Hong, S.-Y., Y. Noh, and J. Dudhia, 2006: A new vertical diffusion package with an explicit 'treatment of entrainment processes. Mon. Wea. Rev., 134, 2318-2341.
18. Houtekamer, P. L., and H. L. Mitchell, 1998: Data assimilation using an ensemble Kalman filter technique. Mon. Wea. Rev., 126, 796-811.
19. Houtekamer, P. L., H. L. Mitchell, G. Pellerin, M. Buelmer, M. Charron, L. Spacek, and B. Hanseh, 2005: Atmospheric data assimilation with an ensemble Kalman filter: Results with real observations. Mon. Wea. Rev., 133, 604-620.
20. Jones, S. C., and Coauthors, 2003: The extratropical transition of tropical cyclones: Forecast challenges, current understanding, and future directions. Wea Forecasting, 18, 1052-1092.
21. Kain, J. S., and J. M. Fritsch, 1990: A one-dimensional entraining. detraining plume model and its application in convective parameterization. J. Atmos. Sci., 47, 2784-2802.
22. Klein, P. M., P. A. Harr, and R. L. Elsberry, 2002: Extratropical transition of. western North Pacific tropical cyclones: Midlatitude and tropical cyclone contributions to reintensification. Mon. Wea. Rev., 130, 2240-2259.
23. Kurihara, Y. M., A. Bender, R. E. Tuleya, and R. J. Ross, 1995: Improvements in the GFDL hurricane prediction system. Mon. Wea. Rev., 123, 2791-2801.
24. Langland, R. H., and N. L. Baker, 2004: Estimation of observation impact using the NRL atmospheric variational data assimilation adjoint system. Tellus, 56A, 189-201.
25. Langland, R. H., M. A. Shapiro, and R. Gelaro, 2002: Initial condition sensitivity and error growth in forecasts of the 25 January 2000 East Coast snowstorm. Mon. Wea. Rev., 130, 957-974.
26. Liu, J., and E. Kalnay, 2008: Estimating observation impact without an adjoint model in an ensemble Kalman filter. Quart. J. Roy. Meteor. Soc., 134, 1327-1335.
27. Liu, Q., T. Marchok, H.-L. Pan, M. Bender, and S. J. Lord, 2000: Improvements in hurricane initialization and forecasting at NCEP with global and regional (GFDL) models. Tech. Rep., NOAA Tech. Procedures Bull. 472, Camp Springs, MD, 7 pp.
28. Ma, S. H., H. Ritchie, J. Gyakum, J. Abraham, C. Fogarty, and R. McTaggart-Cowan, 2003: A study of the extratropical reintensification of former Hurricane Earl using Canadian Meteorological Centre regional analyses and ensemble forecasts. Mon. Wea. Rev., 131, 1342-1359.
29. McTaggart-Cowan, R., J. R. Gyakum, and M. K. Yau, 2001: Sensitivity testing of extratropical transitions using potential vorticity inversions to modify initial conditions: Hurricane Earl case study. Mon. Wea. Rev., 129, 1617-1636.
30. McTaggart-Cowan, R., J. R. Gyakum, and M. K. Yau, 2003: The influence of the downstream state on extratropical transition: Hurricane Earl (1998) case study. Mgn. Wea. Rev., 131, 1910-1929.
31. Rabier, F., E. Klinker, P. Courtier, and A. Hollingsworth, 1996: Sensitivity of forecast errors to initial conditions. Quart. J. Roy. Meteor. Soc., 122, 121-150.
32. Ritchie, E. A., and R. L. Elsberry, 2003: Simulations of the extratropical transition of tropical cyclones: Contributions by the midlatitude upper-level trough to reintensification. Mon. Wea, Rev., 131, 2112-2128.
33. Ritchie, E. A., and R. L. Elsberry, 2007: Simulations of the extratropical transition of tropical cyclones: Phasing between the upper-level trough and tropical cyclones. Mon. Wea. Rev., 135, 862-876.
34. Torn, R. D., and G. J. Hakim, 2008: Ensemble-based sensitivity analysis. Mon. Wea. Rev., 136, 663-677.
35. Torn, R. D., G. J. Hakim, and C. Snyder, 2006: Boundary conditions for limited-area ensemble Kalman filters. Mon. Wea. Rev., 134, 2490-2502.
36. Velden, C, and Coauthors, 2005: Recent innovations in deriving tropospheric winds from meteorological satellites. Bull. Amer. Meteor. Soc., 86, 205-223.
37. Whitaker, J. S., and T. M. Hamill, 2002: Ensemble data assimilation without perturbed observations. Mon. Wea. Rev., 130, 1913-1924.
38. Wilks, D. S., 2005: Statistical Methods in the Atmospheric Sciences. Elsevier Academic Press, 648 pp.
39. Zhang, F., C. Snyder, and J. Sun, 2004: Impacts of initial estimate and observation availability on convective-scale data assimilation with an ensemble Kalman filter. Mon. Wea. Rev., 132, 1238-1253.
40. Zou, X., Y.-H. Kuo, and S. Low-Nam, 1998: Medium-range prediction of an extratropical oceanic cyclone. Mon. Wea. Rev., 126, 2737-2763.