African wave disturbances and precipitation at Niamey during July-August 1987 and 1988

Climate Research

Volumn 7, Issue 1, 1996, Pages 71-83

  Druyan, Leonard M ^a   Lonergan, Patrick ^b   Saloum, Mahaman ^c  

^a NASA Goddard Institute for Space Studies   (United States)

^b NASA GODDARD INSTITUTE FOR SPACE STUDIES   (United States)

^c Dir de la Meteorol Nationale   (Niger)

Author keywords

African waves; ECMWF analyses; Sahel

Indexed keywords

AFRICAN WAVE DISTURBANCE; CONVECTIVE RAINFALL; CYCLONIC CIRCULATION; ECMWF; MONSOON; PRECIPITATION; WIND FIELD;

AFRICA, (WEST); NIGER, NIAMEY;

EID: 0030425279     PISSN: 0936577X     EISSN: None     Source Type: Journal    
DOI: 10.3354/cr007071     Document Type: Review

References (15)

1. Druyan L, Hall TM (1994) Studies of African wave disturbances with the GISS GCM. J Clim 7:261-276
2. Druyan L, Hall TM (1996) The sensitivity of African wave disturbances to remote forcing. J Appl Meteorol 35: 1100-1110
3. Druyan L, Hastenrath S (1994) Tropical impacts of SST forcing: a case study for 1987 versus 1988. J Clim 7:1316-1323
4. Duvel J (1990) Convection over tropical Africa and the Atlantic Ocean during northern summer, Part II, Modulation by easterly waves. Mon Weather Rev 118:1855-1868
5. Fortune M (1980) Properties of African squall lines inferred from time-lapse satellite imagery. Mon Weather Rev 108: 153-168
6. Gommes R, Petrassi F (1994) Rainfall variability and drought in sub-Saharan Africa since 1960. Agrometeorology Series Working Paper No. 9, FAO, Rome
7. Kamara S (1986) The origins and types of rainfall in West Africa. Weather 41:48-56
8. Lamb P (1983) West African water vapor variations between recent contrasting Subsaharan rainy seasons. Tellus 35A: 198-212
9. Payne S, McGarry M (1977) The relationship of satellite convective activity to easterly waves over West Africa and the adjacent ocean during Phase III of GATE. Mon Weather Rev 105:413-420
10. Reed R, Hollingsworth A, Heckley W, Delsol F (1988) An evaluation of the performance of the ECMWF operational system in analyzing and forecasting easterly wave disturbances over Africa and the tropical Atlantic. Mon Weather Rev 116:824-865
11. Reed R, Norquist D, Recker E (1977) The structure and properties of African wave disturbances as observed during Phase III of GATE. Mon Weather Rev 105:317-333
12. Rowell D, Milford J (1993) On the generation of African squall lines. J Clim 6:1181-1193
13. Thiao W, Scofield R (1993) Use of satellite imagery and the NMC GDAS to analyze easterly waves over Africa and the Atlantic Ocean. Preprint Volume of the 20th Conference on Hurricanes and Tropical Meteorology (10-14 May 1993, San Antonio, TX). American Meteorological Society, Boston, p 259-262
14. Trenberth KE (1992) Global analyses from ECMWF. TN-373+STR, National Center for Atmospheric Research, Boulder, CO
15. Xue Y, Shukla J (1993) The influence of land surface properties on Sahel climate, Part I, Desertification. J Clim 6:2232-2245