Midtropospheric circulation patterns associated with extreme dry and wet episodes over equatorial Eastern Africa during the Northern Hemisphere spring

Journal of Applied Meteorology

Volumn 38, Issue 8, 1999, Pages 1161-1169

  Okoola, Raphael E ^a  

^a UNIVERSITY OF NAIROBI   (Kenya)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC CIRCULATION; EQUATORIAL DYNAMICS; NORTHERN HEMISPHERE; SPRING (SEASON);

AFRICA;

EID: 0033378235     PISSN: 08948763     EISSN: None     Source Type: Journal    
DOI: 10.1175/1520-0450(1999)038<1161:MCPAWE>2.0.CO;2     Document Type: Article

References (14)

1. Anyamba, E. K., 1983: On the monthly mean lower tropospheric circulation and anomalous circulation during the 1961/62 floods in East Africa. M.S. thesis, Department of Meteorology, University of Nairobi, 240 pp.
2. Bengtsson, L., M. Kanamitsu, P. Kallberg, and S. Uppala, 1982: FGGE 4-dimensional data assimilation at ECMWE Bull. Amer. Meteor. Soc., 63, 29-43.
3. Folland, C. K., 1983: Regional scale interannual variability of climate. A northwest European perspective. Meteor. Mag., 112, 163-187.
4. Johnson, D. H., and H. T. Morth, 1961: Forecasting research in East Africa. East African Meteorological Department Memoirs, Vol. III, No. 9, 57 pp.
5. LeComte, D., 1985: The year of the African drought. Weatherwise, 38, 8-15.
6. Matarira, C. H., and M. R. Jury, 1992: Contrasting meteorological structure of intraseasonal wet and dry spells in Zimbabwe. J. Climatol., 12, 165-176.
7. Mukabana, J. R., and R. A. Pielke, 1996: Investigating the influence of synoptic-scale monsoonal winds and mesoscale circulations on diurnal weather patterns over Kenya using a mesoscale numerical model. Mon. Wea. Rev., 124, 224-243.
8. Nakamura, K., 1968: Equatorial westerlies over East Africa and their climatological significance. Geogr. Rep. 3:43-61, Tokyo Metropolitan University.
9. Okoola, R. E., 1998: Spatial evolutions of the active convective patterns across the equatorial eastern Africa region during northern hemisphere spring season using OLR records. Meteor. Atmos. Phys., 66, 51-63.
10. _, 1999: A diagnostic study of the Eastern Africa monsoon circulation during the northern hemisphere spring season. Int. J. Climatol., 19, 143-168.
11. Sadler, J. C., M. A. Lander, A. M. Hori, and L. K. Oda, 1987: Tropical Marine Climatic Atlas. Vol. 1, Indian Ocean and Atlantic Ocean, Dept. of Meteorology, University of Hawaii Rep. UHMET 87-01, 51 pp.
12. Tyson, P. D., 1984: The atmospheric modulation of extended wet and dry spells over South Africa, 1958-1978. Int. J. Climatol., 4, 621-635.
13. _, 1986: Climatic Change and Variability over Southern Africa. Oxford University Press, 220 pp.
14. Ward, M. N., 1992: Provisionally corrected surface wind data, worldwide ocean-atmosphere surface fields and Sahelian rainfall variability. J. Climatol., 5, 454-475.