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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. -
No Thumbnail AvailableBook (stand-alone)SAHEL WEATHER AND CROP SITUATION - August 1997 1997
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Following an early start of the rainy season in May/June in the western part of the Sahel, growing conditions have significantly deteriorated in July, notably during the second dekad of the month which registered only very limited rains or dry weather over most parts of Senegal, The Gambia and Mauritania. Precipitation also decreased in Guinea Bissau. By contrast, weather conditions have been much more favourable in the eastern part of the Sahel with well above normal rains in Chad, notably in i ts sahelian zone. In between, in the central part of the region, precipitation remained generally normal and widespread. In Mali, rains were widespread and quite regular, more abundant during the second half of the month. Similarly, precipitation increased significantly over Burkina Faso in mid and late July after reduced rains in early July. In Niger, rainfall remained generally widespread during July. In Cape Verde, rains have started over the main islands. The last Meteosat satellite image fo r the first days of August is showing a cloud coverage over southern Senegal, most parts of Mali, Burkina Faso, western and central Niger and Chad. Rains should have been quite abundant in Guinea Bissau and Chad. By contrast, weather remained mostly dry over northern Senegal, Mauritania and eastern Niger. Plantings are finished in most countries but substantial replantings are necessary in Senegal, The Gambia and Mauritania. Reduced rains in July in the west of the Sahel have severely affecte d crop development and will diminish yield potential. Crops are generally growing satisfactorily in the centre and the east of the Sahel.
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