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Book (stand-alone)SAHEL WEATHER AND CROP SITUATION - August 1998 1998
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The rainy season is now well established in most countries of the Sahel. Following reduced rains in late June, precipitation remained generally widespread in July over most producing areas of Mali, Burkina Faso, Niger and Chad, becoming more abundant and reaching quite northern areas during the last dekad of July. By contrast, precipitation remained limited over Senegal and The Gambia and rains started only in late July in northern Senegal. In Mauritania, sufficient rains after mid-July permitte d plantings in the main producing zones. Rains started in Cape Verde in late July. Rainfall decreased in Guinea-Bissau but remained widespread. The latest Meteosat satellite image for the early days of August indicates that clouds remain present over most producing areas of Burkina Faso, Chad, Mali, Mauritania and Niger where precipitation should remain adequate. By contrast, rains remain more limited over Senegal and The Gambia. Reflecting good rainfall in late July and early August, crop s are generally developing satisfactorily in Mali, Burkina Faso, Niger and Chad. Cereals are emerging satisfactorily in Mauritania. In Senegal and The Gambia, crops are severely affected by reduced precipitation. Many plantings failed and improved rains are urgently needed to avoid extensive crop failure. Grasshoppers are reported in Burkina Faso, Chad, Mali, Niger and Senegal. Grain-eating birds are also present in Mali and Senegal. Limited Desert Locusts activity is reported in Niger. Sm all-scale breeding is expected with the onset of the summer rains in southern Mauritania, northern Mali, Niger and Chad. -
No Thumbnail AvailableBook (stand-alone)SAHEL WEATHER AND CROP SITUATION REPORT - 9 August 1996 1996
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Following generally adequate rains in May and June, except in Burkina Faso which registered two mostly dry dekads in mid and late June, precipitation remained below normal in early or mid-July in northern Senegal, western and central Mali, most parts of Niger and in the Sahelian zone of Chad where substantial replantings have been necessary. However, rains increased significantly and progressed northwards during the last dekad of July, notably in southern Mauritania, western and central Mali and in southern and central Chad where they benefited recently planted crops. Widespread and abundant rains in July helped desalination of swamp rice in Guinea Bissau and crop emergence in The Gambia. In Cape Verde, rains have started on all islands, allowing first maize plantings. Overall, although growing conditions have improved since late July, crop prospects remain uncertain in several countries. The last Meteosat satellite image up to the morning of 9 August (i.e about 4/5 of a full deka d) is indicating that rains decreased significantly over the Sahel, although cloud coverage remained widespread over the main producing areas, except in central and northern Mali and central and eastern Niger where no clouds were present (or only shortly). Therefore, some, but limited, rains are likely to have been received over most parts of Senegal, The Gambia, Guinea-Bissau, south-west and south-east of Mauritania, western and south-eastern Mali, northern Burkina Faso and western Niger. Rains have been more abundant over southern and central Burkina Faso and Chad. Following good precipitation in late July, soil moisture reserves have been generally reconstituted, but more rains are needed to avoid water stress, notably in Senegal, in western, central and northern Mali and in central and eastern Niger. -
No Thumbnail AvailableBook (stand-alone)SAHEL WEATHER AND CROP SITUATION - August 1996 1996
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Precipitation progressed northwards in June over the Sahel region except in Burkina Faso where, following above normal rains in mid and late May in the south and the centre, precipitation decreased significantly in mid and late June over most parts of the country. Therefore, recently planted coarse grains are likely to fail in many areas and substantial replantings will be necessary. In Mali and Niger, rains progressed northwards in June allowing widespread plantings. In Chad, widespread rains c overed the south and the centre. In Senegal, clouds covered the entire country in mid June, while widespread rains benefited plantings in the Gambia and Guinea Bissau. In Mauritania, plantings are underway following the arrival of the rains in June. Seasonably dry conditions still prevail in Cape Verde. The last Meteosat satellite image for the first dekad of July indicates that precipitation improved significantly over Burkina Faso, southern Senegal, Guinea Bissau and southern and central Chad where rains appear to have been quite abundant. Elsewhere, cloud coverage is present and therefore rains are likely to have remained widespread over the main producing areas, except in northern Senegal and south-western Mauritania where the weather was mostly dry. Rains in Burkina Faso will permit a crop recovery following mostly dry conditions in June. Elsewhere, growing conditions are generally favourable.
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