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SAHEL WEATHER AND CROP SITUATION - September 1997









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    SAHEL WEATHER AND CROP SITUATION - October 1997 1997
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    In the western part of the Sahel, harvest prospects have improved following abundant and widespread rains in September, which partly compensated for earlier drier conditions. After an early start of the rainy season in May/June, precipitation was well below normal from mid-July up to mid-August over most parts of Senegal, The Gambia and Mauritania, severely affecting early planted crops and rainfed “dieri” crops in Mauritania. Abundant precipitation in late August/early September replenished soi l moisture reserves in these countries and filled dams in Mauritania, improving prospects for recession or irrigated crops. Abundant rains in September also benefited crops in Guinea Bissau. In the central part of the Sahel, reflecting generally favourable growing conditions, harvest prospects are mostly favourable in Mali and western and northern Burkina Faso but unfavourable in eastern Burkina Faso. In the eastern part of the Sahel, prospects are mixed in Niger with pockets of poor anticipated harvests. In Chad, generally widespread and regular rains benefited crop development but African Migratory Locusts are threatening crops in the north-west. In Cape Verde, the maize crop is growing satisfactorily in the humid zones. The latest Météosat satellite image for the first days of October shows that cloud cover disappeared over most parts of Mauritania, northern Senegal, northern Mali and Burkina Faso, Niger and eastern Chad, marking the end of the rainy season. Precipitation remained q uite abundant in Guinea Bissau, more limited but widespread in southern Senegal, southern Mali, southern and central Burkina Faso and south-western Chad.
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    SAHEL WEATHER AND CROP SITUATION - July 1997 1997
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    Rains are generally regular and widespread over most producing areas of the Sahel. They started in late March/early April in Burkina Faso where they became abundant and widespread in late May and early June. The rainy season started in April in the extreme south of Chad, Mali and Niger, then rains progressed northwards in the sahelian zone in May and June. First significant rains reached the east of Guinea Bissau and the south-east of Senegal in early May and eastern The Gambia in late May. They became widespread over Guinea-Bissau, The Gambia and most parts of Senegal and reached southern Mauritania in early June. Seasonably dry conditions prevail in Cape Verde. The last Meteosat satellite image for the first 9 days of July indicates that cloud coverage remained present and widespread over most parts of the countries except in central and northern Senegal and northern Burkina Faso. Widespread rains should have been received in the main producing areas of Mali and Niger, although more limited than in late June. Precipitation was quite abundant over Chad and south-western Mali. Land preparation and planting are progressing following the onset of the rains. Crops are generally emerging satisfactorily except in some areas of the sahelian zone of Chad and possibly central Senegal were replantings will be necessary.
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    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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