Using regional wind fields to improve general circulation model forecasts of July-September Sahel rainfall

International Journal of Climatology

Volumn 29, Issue 9, 2009, Pages 1262-1275

  Ndiaye, Ousmane ^a,b   Goddard, Lisa ^a   Neil Ward, M ^a  

^a Lamont Campus   (United States)

^b Howard Hughes Medical Institute   (United States)

Author keywords

ENSO; General circulation model; Model output statistics; Regional circulation; Sahel rainfall; Seasonal prediction; Tropical Atlantic

Indexed keywords

ENSO; GENERAL CIRCULATION MODEL; MODEL OUTPUT STATISTICS; REGIONAL CIRCULATION; SAHEL RAINFALL; SEASONAL PREDICTION; TROPICAL ATLANTIC;

ATMOSPHERIC TEMPERATURE; ATMOSPHERICS; CLIMATOLOGY; FORECASTING; FOURIER ANALYSIS; NANOFLUIDICS; NICKEL COMPOUNDS; OCEANOGRAPHY; REGRESSION ANALYSIS; SUBMARINE GEOPHYSICS; TROPICS;

RAIN;

CLIMATE PREDICTION; EL NINO-SOUTHERN OSCILLATION; GENERAL CIRCULATION MODEL; PRECIPITATION (CLIMATOLOGY); RAINFALL; SEA SURFACE TEMPERATURE; TEMPERATURE ANOMALY; WEATHER FORECASTING; WIND FIELD;

AFRICA; ATLANTIC OCEAN; ATLANTIC OCEAN (TROPICAL); SAHEL [SUB-SAHARAN AFRICA]; SUB-SAHARAN AFRICA;

EID: 69849114022     PISSN: 08998418     EISSN: 10970088     Source Type: Journal    
DOI: 10.1002/joc.1767     Document Type: Article

References (34)

1. Bretherton CS, Smith A, Wallace JM. 1992. An intercomparison of methods for finding coupled patterns in climate data. Journal of Climate 5: 541-560, DOI: 10.1175/1520-0442(1992)005.
2. Camberlin P, Janicot S, Poccard I. 2001. Seasonality and atmospheric dynamics of the teleconnection between African rainfall and tropical sea-surface temperature: Atlantic vs ENSO. International Journal of Climatology 21: 973-1005, DOI: 10.1002/joc.673.
3. Castello AF, Shelton ML. 2004. Winter precipitation on the US Pacific Coast and El Nino Southern oscillation events. International Journal of Climatology 24: 481-497, DOI: 10.1002/joc. 1011.
4. Charney JG. 1975. Dynamics of deserts and drought in the Sahel. Quarterly Journal of the Royal Meteorological Society 101(428): 193-202.
5. Feddersen H, Navarra A, Ward MN. 1999. Reduction of model systematic error by statistical correction for dynamical seasonal predictions. Journal of Climate 12: 1974-1989, DOI: 10.1175/1520- 0442(1999)012.
6. Folland CK, Owen JA, Ward MN, Colman AW. 1991. Prediction of seasonal rainfall in the Sahel region of Africa using empirical and dynamical methods. Journal of Forecasting 10: 2-56.
7. Folland CK, Palmer TN, Parker DE. 1986. Sahel rainfall and world wide sea temperatures, 1901-85. Nature 320: 602-607.
8. Fontaine B, Janicot S. 1992. Wind-Field coherence and its variation over West Africa. Journal of Climate 5: 512-524 DOI: 10.1175/1520-0442(1992)005.
9. Fontaine B, Janicot S, Moron V. 1995. Rainfall anomaly patterns and wind field Signals over West Africa in August (1958-1989). Journal of Climate 8: 1503-1510, DOI: 10.1175/1520-0442(1995)008.
10. Friederichs P, Paeth H. 2006. Seasonal prediction of African precipitation with ECHAM4-T42 ensemble simulations using a multivariate MOS re-calibration scheme. Climate Dynamics 27:761-786, DOI: 10.1007/s00382-006-0154-4.
11. Garric G, Douville H, Deque M. 2002. Prospects for improved seasonal prediction of monsoon precipitation over West-Africa. International Journal of Climatology 22: 331-341, DOI: 10.1002/joc.736.
12. Giannini A, Saravanan R, Chang P. 2003. Oceanic Forcing of Sahel rainfall on interannual to interdecedal time scales. Science 302:1027-1030.
13. Goddard L, Mason SJ. 2002. Sensitivity of seasonal climate forecasts to persisted SST anomalies. Climate Dynamics 19: 619-631, DOI: 10.1007/s00382-002-0251-y.
14. Hales K, Neelin JD, Zeng N. 2004. Sensitivity of tropical land climate of leaf area index: Role of Surface Conductance versus Albedo. Journal of Climate 17: 1459-1473, DOI: 10.1175/1520- 0442(2004)017.
15. Hastenrath S. 1990. Decadal-scale changes of circulation in the tropical Atlantic sector associated with Sahel drought. International Journal of Climatology 10: 459-472.
16. Janicot S, Moron V, Fontaine B. 1996. Sahel droughts and ENSO dynamics. Geophysical Research Letters 23(5): 515-518, DOI:10.1029/96GL00246.
17. Janicot S, Trzaska S, Poccard I. 2001. Summer Sahel-ENSO teleconnection and decadal time scale SST variations. Climate Dynamics 18: 303-320, DOI: 10.1007/s003820100172.
18. Kalnay E, Kanamitsu M, Kistler R, Collins W, Deaven D, Gandin L, Iredell M, Saha S, While G, Woolen J, Zhu Y, Chelliah M, Ebisuzaki W, Higgins W, Janowiak J, Mo KC, Ropelewski, C, Wang J, Leetma A, Reynolds R, Roy J, Denis J. 1996. The NCEP/NCAR 40-year reanalysis project. Bulletin of the American Meteorological Society 77: 437-471, DOI: 10.1175/1520-0477.
19. Lamb PJ. 1978a. Case study of Tropical Atlantic surface circulation patterns during recent sub-saharan weather anomalies: 1967 and 1968. Monthly Weather Review 106: 482-491.
20. Lamb PJ. 1978b. Large-scale Tropical Atlantic circulation patterns associated with Subsaharan weather anomalies. Tellus A30: 240-251.
21. Landman WA, Goddard L. 2005. Predicting southern African summer rainfall using a combination of MOS and perfect prognosis. Geophysical Research Letters 32: L15809, DOI:10.1029/2005GL022910.
22. Lorenz EN. 1956. Empirical orthogonal functions and statistical weather prediction. Science Report 1. Statistical Forecast Project, Department of Meteorology, MIT (NTIS AD 110268).
23. Moron V, Philippon N, Fontaine B. 2004. Simulation of West African Monsoon circulation in four atmospheric circulation models forced by prescribed sea surface temperature. Journal of Geophysical Research 109(D24): 1-18, DOI:10.1029/2004JD004760.
24. Nicholson SE, Grist JP. 2001. A conceptual model for understanding rainfall variability in the west African Sahel on interannual and interdecadal timescales. International Journal of Climatology 21:1733-1757, DOI: 10.1002/joc.648.
25. Palmer TN. 1986. Influence of the Atlantic, Pacific and Indian Oceans on Sahel rainfall. Nature 322: 251-253.
26. Roeckner E, Arpe K, Bengtsson L, Christoph M, Claussen M, Dümenil L, Esch M, Giorgetta M, Schlese U, Schulzweida U. 1996. The atmospheric general circulation model ECHAM4:Model description and simulation of present day climate. Report 218, Max-Planck-Institut fur Meteorologie: Hamburg, Germany.
27. Rowell DP, Folland CK, Maskell K, Ward MN. 1995. Variability of summer rainfall over tropical North Africa (1906-92): Observations and modeling. Quarterly Journal of the Royal Meteorological Society 121: 669-704.
28. Shinoda M, Kawamura R. 1994. Tropical rainbelt, circulation and sea surface temperatures associated with the Sahelian rainfall trend. Journal of the Meteorological Society of Japan 72: 341-357.
29. Tippett MK, Giannini A. 2006. Potentially predictable components of African summer rainfall in an SST-forced GCM simulation. Journal of Climate 19: 3133-3144, DOI: 10.1175/JCLI3779.1.
30. Trzaska S, Janicot S. 2003. The role of the Indian Ocean in modulation of ENSO impacts on the West African Monsoon. CLIVAR Exchanges 8: 17-18.
31. Wang G, Eltahir EAB. 2000. Role of vegetation dynamics in enhancing the low-frequency variability of the Sahel rainfall. Water Resources Research 36: 1013-1021, DOI: 10.1029/1999WR900361.
32. Wang B, Jang I-S, Lee J-I. 2004. Ensemble simulations of Asian-Australian monsoon variability by 11 AGCMs. Journal of Climate 17: 802-818.
33. Ward MN. 1998. Diagnosis and short lead time prediction of summer rainfall in tropical North Africa at interannual and multidecadal timescale. Journal of Climate 11: 3167-3191, DOI: 10.1175/1520-0442(1998)011.
34. Ward MN, Folland CK, Maskell K, Colman AW, Rowell DP, Lane KB. 1993. Experimental seasonal forecasting of tropical rainfall at the U.K. Meteorological Office. In Prediction of Interannual Climate Variations, Shukla J (ed.). NATO ASI Series, Springer-Verlag, Berlin 16: 197-216.