Composite intraseasonal oscillations of convection over Southern Africa

Journal of Climate

Volumn 9, Issue 8, 1996, Pages 1910-1920

  Levey, Kevin M ^a   Jury, Mark R ^a  

^a UNIVERSITY OF CAPE TOWN   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

CONVECTION; EVAPORATION; INTRASEASONAL OSCILLATION; LONGWAVE RADIATION; PRECIPITATION; SOUTHERN OSCILLATION;

AFRICA, (SOUTHERN);

EID: 0030442058     PISSN: 08948755     EISSN: None     Source Type: Journal    
DOI: 10.1175/1520-0442(1996)009<1910:CIOOCO>2.0.CO;2     Document Type: Article

References (36)

1. Barclay, J, J., 1992: Wet and dry troughs over southern Africa during early summer. Unpublished M.S. thesis, Oceanography Dept., University of Cape Town, 178 pp.
2. Chen, T., and R. Tzeng, 1989: Global-scale intra-seasonal and annual variation of divergent-water vapor flux. Meteor. Atmos. Phys., 44, 133-151.
3. D'Abreton, P. C., 1992: The dynamics and energetics of tropical temperate troughs over southern Africa. Unpublished Ph.D. thesis, University of the Witwatersrand, 231 pp.
4. Dyer, T. G. J., 1979: Rainfall along the east coast of southern Africa, the Southern Oscillation and the latitude of the subtropical high pressure belt. Quart. J. Roy. Meteor. Soc., 105, 445-451.
5. Geiger, R., 1965: Climate Near the Ground. Harvard University Press, 611 pp.
6. Ghil, M., and K. Mo, 1991: Intraseasonal Oscillation in the Global Atmosphere. Part II: Southern Hemisphere. J. Atmos. Sci., 48, 780-790.
7. Gillooly, J. F., and T. G. J. Dyer, 1979: Spatial variations in the rainfall during abnormally wet and dry years. South. Afr. J. Sci., 75, 261-262.
8. Harrison, M. S. J., 1986: A synoptic climatology of South African rainfall variations. Unpublished Ph.D. thesis, University of the Witwatersrand, 341 pp.
9. Hayashi, Y., and D. G. Golder, 1993: Tropical 40-50- and 25-30-day oscillations appearing in realistic and idealized GFDL climate models and the ECMWF dataset. J. Atmos. Sci., 50, 464-494.
10. Jury, M. R., and S. W. Lyons, 1994: Contrasting synoptic events over South Africa in the dry summer of 1983. South. Afr. Geogr. J., 76, 6-10.
11. Lau, K. M., and P. H. Chan, 1986: Aspects of the 40-50 day oscillation during the northern summer as inferred from outgoing longwave radiation. Mon. Wea. Rev., 114, 1354-1367.
12. Levey, K. M., 1993: Intra-seasonal oscillations of convection over southern Africa. Unpublished M.S. thesis, Oceanography Dept., University of Cape Town, 236 pp.
13. Lindesay, J. A., 1984: Spatial and temporal rainfall variability over South Africa, 1963 to 1981. South. Afr. Geogr. J., 66, 168-175.
14. _, 1988: The Southern Oscillation and atmospheric circulation changes over southern Africa. Unpublished Ph.D. thesis, University of the Witwatersrand, 283 pp.
15. _. and M. R. Jury, 1991: Atmospheric circulation controls and characteristics of a flood event in central South Africa. Int. J. Climatol., 11, 609-627.
16. Lyons, S.W., 1991 : Origins of convecti ve variability over equatorial southern Africa during the austral summer. J. Climate, 4, 23-39.
17. Madden, R. A., and P. R. Julian, 1971: Detection of a 40-50 day oscillation in the zonal wind in the tropical Pacific. J. Atmos. Sci., 28, 702-708.
18. Matarira, C. H., and M. R. Jury. 1992: Contrasting atmospheric structure during wet and dry spells in Zimbabwe. Int. J. Climatol., 12, 165-171.
19. Miron, O., and J. A. Lindesay, 1983: A note on changes in airflow patterns between wet and dry spells over South Africa. 1963-1979. South. Afr. Geogr. J., 65, 141-147.
20. _, and P. D. Tyson, 1984: Wet and dry conditions and pressure anomaly fields over South Africa and the adjacent oceans, 1963-1979. Mon. Wea. Rev., 112, 2127-2132.
21. Nicholson, S. E., 1989: African drought: Characteristics, causal theories and global teleconnections. Understanding Climate Change, A. Berger, R. Dickinson, and J. Kidson, Eds., Amer. Geophys. Union, 79-101.
22. Rui, H., and B. Wang, 1990: Development characteristics and dynamic structure of tropical intraseasonal convection anomalies. J. Atmos. Sci., 47, 357-379.
23. Sutton, O. G., 1953: Micrometeorology. McGraw-Hill, 327 pp.
24. Taljaard, J. J., 1981: The anomalous climate and weather systems of January to March 1974. South. Afr. Wea. Bur. Newsl., 397, 51-53.
25. _, 1985: Cut-off lows in the South African region. South African Weather Bureau, Tech. Paper 14, 54 pp.
26. _, 1986a: Change of rainfall distribution and circulation patterns over southern Africa in summer. J. Climatol., 6, 579-592.
27. _, 1986b: Contrasting atmospheric circulation during dry and wet summers in South Africa. South. Afr. Wea. Bur. Newsl., 445, 1-5.
28. Tyson, P. D., 1980: Temporal and spatial variation of rainfall anomalies in Africa south of longitude 22 during the period of meteorological record. Climate Change, 2, 363-371.
29. _, 1981: Atmospheric circulation variations and the occurrence of extended wet and dry spells over southern Africa. J. Climatol., 1, 115-130.
30. _, 1984: The atmospheric modulation of extended wet and dry spells over South Africa, 1958-1978. J. Climatol., 4, 621-635.
31. _, 1986: Climatic Change and Variability in Southern Africa. Oxford University Press, 220 pp.
32. _, and T. G. J. Dyer, 1975: Mean annual fluctuations of precipitation in the summer rainfall region of South Africa. South. Afr. Geogr. J., 57, 104-110.
33. Vincent, D., T. Sperling, A. Fink, S. Zube, and P. Speth, 1991: Intraseasonal oscillation of convective activity in the tropical Southern Hemisphere: May 1984-April 1986. J. Climate, 4, 40-53.
34. Wang, B., and H. Rui, 1990: Synoptic climatology of transient tropical intraseasonal convection anomalies: 1975-1985. Meteor. Atmos. Phys., 44, 43-61.
35. Weickmann, K. M., and S. J. Khalsa, 1990: The shift of convection from the Indian Ocean to the western Pacific Ocean during a 30-60 oscillation. Mon. Wea. Rev., 118, 964-978.
36. Wiesner, C. J., 1970: Hydrometeorology. Upman and Hall, 227 pp.