A study on precursors to blocking anomalies in climatological flows by using conditional nonlinear optimal perturbations

Quarterly Journal of the Royal Meteorological Society

Volumn 136, Issue 650, 2010, Pages 1170-1180

  Jiang, Zhina ^a   Wang, Donghai ^a  

^a STATE KEY LABORATORY OF SEVERE WEATHER   (China)

Author keywords

Inverse problem; Nonlinear optimization approach; Nonlinearity; Potential vorticity

Indexed keywords

ADJOINTS; BAROCLINIC; BASIC FLOW; BLOCKINGS; CONDITIONAL NONLINEAR OPTIMAL PERTURBATION; ENERGY ANALYSIS; GEOPOTENTIAL HEIGHT; HIGH PRESSURE; HORIZONTAL SHEAR; LOW TROUGHS; MAXIMUM AMPLITUDE; NON-LINEAR OPTIMIZATION; NON-LINEARITY; PACIFIC OCEAN; POTENTIAL VORTICITY; QUASI-GEOSTROPHIC MODEL; WAVE TRAIN;

ELECTRON ENERGY LOSS SPECTROSCOPY; ENERGY MANAGEMENT; INVERSE PROBLEMS; KINETIC ENERGY; OCEANOGRAPHY; VORTICITY;

OPTIMIZATION;

BAROCLINIC MODE; CLIMATOLOGY; EDDY; GEOPOTENTIAL; GEOSTROPHIC FLOW; INVERSE PROBLEM; JET; KINETIC ENERGY; NONLINEARITY; OPTIMIZATION; PERTURBATION; POTENTIAL ENERGY; POTENTIAL VORTICITY;

ATLANTIC OCEAN; PACIFIC OCEAN;

EID: 77956208370     PISSN: 00359009     EISSN: 1477870X     Source Type: Journal    
DOI: 10.1002/qj.630     Document Type: Article

References (28)

1. Berggren R, Bolin B, Rossby C-G. 1949. An aerological study of zonal motion, its perturbations and break-down. Tellus 1: 14-37.
2. Birgin EG, Martínez JM, Raydan M. 2000. Nonmonotone spectral projected gradient methods for convex sets. SIAM J. Optim. 10: 1196-1211.
3. Buizza R, Tribbia JJ, Molteni F, Palmer TN. 1993. Computation of optimal unstable structures for a numericalweather predictionmodel. Tellus 45A: 388-407.
4. Colucci SJ. 1985. Explosive cyclogenesis and large-scale circulation changes: Implications for atmospheric blocking. J. Atmos. Sci. 42: 2701-2717.
5. Colucci SJ. 1987. Comparative diagnosis of blocking versus nonblocking planetary-scale circulation changes during synoptic-scale cyclogenesis. J. Atmos. Sci. 44: 124-139.
6. Colucci SJ. 2001. Planetary-scale preconditioning for the onset of blocking. J. Atmos. Sci. 58: 933-942.
7. de Pondeca MSFV, Barcilon A, Zou X. 1998a. An adjoint sensitivity study of the efficacy of modal and nonmodal perturbations in causing model block onset. J. Atmos. Sci. 55: 2095-2118.
8. de Pondeca MSFV, Barcilon A, Zou X. 1998b. The role of wave breaking, linear instability, and PV transports in model block onset. J. Atmos. Sci. 55: 2852-2873.
9. Dong L, Colucci SJ. 2005. The role of deformation and potential vorticity in Southern Hemisphere blocking onsets. J. Atmos. Sci. 62: 4043-4056.
10. Duan W, Mu M, Wang B. 2004. Conditional nonlinear optimal perturbations as the optimal precursors for El Niño-Southern Oscillation events. J. Geophys. Res. 109: D23105, DOI:10.1029/2004JD004756.
11. Frederiksen JS. 1998. Precursors to blocking anomalies: The tangent linear and inverse problems. J. Atmos. Sci. 55: 2419-2436.
12. Frederiksen JS, Collier MA, Watkins AB. 2004. Ensemble prediction of blocking regime transitions. Tellus 56A: 485-500.
13. Jiang Z, Mu M, Wang D. 2008. Conditional nonlinear optimal perturbation of a T21L3 quasi-geostrophic model. Q. J. R. Meteorol. Soc. 134: 1027-1038.
14. Luo D, Huang F, Diao Y. 2001. Interactionbetween antecedent planetaryscale envelope soliton blocking anticyclone and synoptic-scale eddies: Observations and theory. J. Geophys. Res. 106: 31795-31815.
15. Li Z, Ji L. 1997. Efficient forcing and atmospheric teleconnections. Q. J. R. Meteorol. Soc. 123: 2401-2423.
16. Li Z, Barcilon A, Navon IM. 1999. Study of block onset using sensitivity perturbations in climatological flows. Mon. Weather Rev. 127: 879-900.
17. Li S, Ji L, Lin W, Ni Y. 2001. The maintenance of the blocking over the Ural Mountains during the second Meiyu period in the summer of 1998. Adv. Atmos. Sci. 18: 87-105.
18. Liu Q. 1994. On the definition and persistence of blocking. Tellus 46A: 286-298.
19. Liu H, Wu G, Zeng Q. 1996. On maintenance of blocking anticyclones of Northern Hemisphere. Part 1: Quasi-geostrophic and Ertel potential vorticity analysis. Acta Meteorologica Sinica 10: 142-147 (in Chinese).
20. Marshall J, Molteni F. 1993. Toward a dynamical understanding of planetary-scale flow regimes. J. Atmos. Sci. 50: 1792-1818.
21. Molteni F, Palmer TN. 1993. Predictability and finite-time instability of the northern winter circulation. Q. J. R. Meteorol. Soc. 119: 269-298.
22. Mu M, Jiang Z. 2008.Amethod tofind perturbations that trigger blocking onset: Conditional nonlinear optimal perturbations. J. Atmos. Sci. 65: 3935-3946.
23. Mu M, Duan WS, Wang B. 2003. Conditional nonlinear optimal perturbation and its applications. Nonlinear Processes in Geophys. 10: 493-501.
24. Nakamura H, Wallace JM. 1993. Synoptic behavior of baroclinic eddies during the blocking onset. Mon. Weather Rev. 121: 1892-1903.
25. Nakamura H, Nakamura M, Anderson JL. 1997. The role of high-and low-frequency dynamics in blocking formation. Mon. Weather Rev. 125: 2074-2093.
26. Oortwijn J. 1998. Predictability of the onset of blocking and strong zonal flow regimes. J. Atmos. Sci. 55: 973-994.
27. Shutts GJ. 1983. The propagation of eddies in diffluent jetstreams: Eddy vorticity forcing of 'blocking' flow fields. Q. J. R. Meteorol. Soc. 109: 737-761.
28. Yang Y, Li Z, Ji L. 1998. The evolution of optimal sensitivity perturbation and the persistent anomaly circulation over Ural area during summer. Acta Meteorologica Sinica 56: 401-415 (in Chinese).