A numerical study of moisture build-up and rainfall over West Africa

Meteorological Applications

Volumn 14, Issue 3, 2007, Pages 209-225

  Omotosho, J Bayo ^a   Abiodun, Babatunde J ^a,b  

^a FEDERAL UNIVERSITY OF TECHNOLOGY   (Nigeria)

^b IOWA STATE UNIVERSITY   (United States)

Author keywords

Moisture build up; Nigeria; Rainfall; Specific humidity; West Africa

Indexed keywords

BOUNDARY LAYERS; CLIMATE MODELS; RAIN; WIND EFFECTS;

AFRICAN EASTERLY JET; NIGERIA; REGCM3 SIMULATIONS; REGIONAL CLIMATE MODELS (REGCM3); SPECIFIC HUMIDITY; THEORETICAL PHYSICS; VARIABILITY ANALYSIS; WEST AFRICA;

MOISTURE;

ANNUAL VARIATION; MOISTURE CONTENT; NUMERICAL METHOD; RAINFALL;

KANO [NIGERIA]; NIGERIA;

EID: 34548778238     PISSN: 13504827     EISSN: 14698080     Source Type: Journal    
DOI: 10.1002/met.11     Document Type: Article

References (31)

1. Adejokun JA. 1966. The Three-Dimensional Structure of the Inter-Tropical Discontinuity over Nigeria. Nig. Meteorol. Serv. Techn. Note 29.
2. Afiesimama EA, Pal JS, Abiodun BJ, Gutowski WJ Jr, Adedoyin A. 2006. Simulation of west African monsoon using the RegCM3. Part I: model validation and interannual variability. Theoritical and Applied Climatology 86: 23-38.
3. Cadet D, Nnoli N. 1987. Water vapor transport over Africa and the Atlantic ocean during summer of 1979. Quarterly Journal of the Royal Meteorological Society 113: 581-602.
4. Dhonneur G. 1971. General Circulation and Types of Weather Over Western and Central Africa. Annex-IV, GARP-GATE 23 Design. 22.
5. Dickinson RE, Henderson-Sellers A, Kennedy PJ. 1993. Biosphere-Atmosphere Transfer Scheme (BATS) version 1 as coupled to the NCAR Community Climate Model. NCAR Tech. Note NCAR/TN-3871STR, National Center for Atmospheric Research: Boulder, CO; 72.
6. Folland CK, Palmer TN, Parker DE. 1986. Sahel rainfall and worldwide sea temperatures, 1901-1985. Journal of Forecasting 1: 21-56.
7. Fontaine B, Janicot S. 1992. Wind-field coherence and its variatios over West Africa. Journal of Climate 5: 512-524.
8. Fritsch JM, Chappell CF. 1980. Numerical prediction of convectively driven mesoscale pressure systems. Part1: Convective parameterisation. Journal of the Atmospheric Sciences 37: 1722-1733.
9. Grell GA. 1993. Prognostic evaluation of assumptions used by cumulus parameterizations. Monthly Weather Review 121(3): 764-787.
10. Grist JP, Nicholson SE. 2001. A study of the dynamic Factors influencing the rainfall variability in the West African Sahel. Journal of Climate 14: 1337-1359.
11. Hamilton RA, Archbold JW. 1945. Meteorology of Nigeria and adjacent territory. Quarterly Journal of the Royal Meteorological Society 72: 231-265.
12. Holtslag AAM, De Bruijn EIF, Pan H-L. 1990. A high resolution air Mass transformation model for Short-Range weather forecasting. Monthly Weather Review 118(8): 1561-1575.
13. Kalnay E, Kanamitsu M, Kistler R, Collins W, Deaven D, Gandin L, Iredell M, Saha S, White G, Woollen J, Zhu Y, Chelliah M, Ebisuzaki W, Higgins W, Janowiak J, Mo KC, Ropelewski C, Wang J, Leetma A, Reynolds R, Jenne R, Joseph D. 1996. The NCEP/NCAR 40-Year reanalysis project. Bulletin of the American Meteorological Society 77: 437-471.
14. Kiehl JT, Hack JJ, Bonan GB, Boville BA, Breigleb BP, Williamson DL, Rasch PJ. 1996. Description of the NCAR Community Climate Model (CCM3). NCAR Tech. Note, NCAR/TN-420+STR, National Center for Atmospheric Research: Boulder, Colorado; 152.
15. Newell RE, Kidson JW. 1984. African mean wind changes between Sahelian wet and dry periods. Journal of Climatology 4: 1-7.
16. Nicholson SE. 1995. Sahel, West Africa. Encyclopedia of Environmental Biology 3: 261-275.
17. Nicholson SE, Palao IM. 1993. A Re-evaluation of rainfall variability in the Sahel. Part I. Characteristics of rainfall fluctuations. International Journal of Climatology 13: 371-389.
18. Obasi GOP. 1964. Thermodynamic and dynamic transformation over Ikeja/ Lagos. Nig. Meteorol. Serv. Tech. Note No. 33.
19. Obusi GOP. 1974. The Environmental Structure of the Atmosphere Near West African Disturbance Lines. International Tropical Met. Meeting: Nairobi, Kenya.
20. Ojo O, Ojo K, Oni F. 2001. Fundamentals of physical and dynamical climatology. Sedec (Publishers): Nigeria.
21. Omotosho JB. 1988. Spatial variation of rainfall in Nigeria during the little dry season. Atmospheric Research 22: 137-147.
22. Omotosho JB. 1990. The onset of thunderstorms and rainfall in northern Nigeria. International Journal of Climatology 10: 849-860.
23. Omotosho JB. 2001. Prediction of the onset, cessation and length of the rainy season, the monthly and total annual rainfall, for the whole of Nigeria, for year 2001. Final Project Report. Nig. Met. Agency, Fed. Min. of Aviation, Abuja, Nigeria.
24. Omotosho JB. 2006. Pre-rainy season moisture build-up and storm precipitation delivery in the West African Sahel. International Journal of Climatology (In press).
25. Omotosho JB, Balogun AA, Ogunjobi K. 2000. Predicting monthly and seasonal rainfall, onset and cessation of the rainy season in West Africa using only surface data. International Journal of Climatology 20: 865-880.
26. Pal JS, Small EE, Eltahir EAB. 2000. Simulation of regional-scale water and energy budgets: Representation of subgrid cloud and precipitation processes within RegCM. Journal of Geophyics and Research 105D(24): 29579-29591.
27. Pal JS, Giorgi F, Bi X, Elguindi N, Solmon F, Gao X, Ashfaq M, Francisco R, Bell J, Diffenbaugh N, Karmacharya J, Sloan LC, Steiner A, Winter JM, Zakey A. 2005. The ICTP RegCM3 and RegCNET: Regional Climate Modeling for the Developing World, Submitted to BAMS.
28. Reynolds RW, Rayner NA, Smith TM, Stokes DC, Wang W. 2002. An improved In Situ and satellite SST analysis for climate. Journal of Climate 15: 1609-1625.
29. Sultan B, Janicot S. 2003. The West African monsoon dynamics. Part II: The "Preonset" and "Onset" of the summer monsoon. Journal of Climate 16: 3407-3427.
30. Taleb EH, Decleir H. 1998. Upper air characteristics of wet and dry days in tropical West Africa during the rainy season: Water Resources Variability in Africa during the XXth Century. IAHS Publ. 252, 55-62. Available from IAHS Press, CEH Wallingford, Maclean Building, Wallingford, UK.
31. Zipser EJ. 1969. The role of organised unsaturated convective downdrafts in the structure and rapid decay of an equatorial disturbance. Journal of Applied Meteorology 8: 799-811.