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No Thumbnail AvailableBook (stand-alone)SAHEL WEATHER AND CROP SITUATION - June 1997 1997
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Rains started in late March/early April in Burkina Faso and became abundant over the south and centre in late May. The rainy season started in April in the extreme south of Chad, Mali and Niger. 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. The last Meteosat sattelite image for the first dekad of June indicates that cloud coverage progressed northwards over the Sahel region, especially in its western parts . Substantial rains have covered most parts of Senegal, The Gambia and western Mali. They also reached southern Mauritania, marking an early start of the rainy season in the western part of the Sahel. Rains decreased somewhat in central Burkina Faso and western Niger but increased in south-western and central Niger and some first rains may have been received in the Sahelian zone of Chad. Land preparation and planting are progressing following the onset of the rains. Dry planting is also under way, notably in Senegal. Seasonably dry conditions prevail in Cape Verde and northern parts of Mali, Niger and Chad. Grasshoppers are reported in Ouaddaï region of Chad. Moderate numbers of solitary Desert Locust adults and perhaps a few small groups will move west across the Red Sea to the interior of Sudan and perhaps continue towards West Africa over Chad and Niger if they find dry conditions en route. Small-scale egg laying could occur with the onset of the rains. -
No Thumbnail AvailableBook (stand-alone)SAHEL WEATHER AND CROP SITUATION - September 1997 1997
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In the western part of the Sahel, following an early start of the rainy season in May/June, rains decreased to well below normal over most parts of Senegal, The Gambia and Mauritania from the second dekad of July up to mid-August, severely affecting early planted crops. Precipitation resumed in late August/early September with abundant and widespread rains over the entire region. In the eastern part of the Sahel, weather conditions have been much more favourable with generally above normal rainf all in Chad and widespread and regular rains in Niger. In between, in the central part of the region, precipitation remained generally regular and widespread in Mali and Burkina Faso. In Cape Verde, abundant rains were received in late August on all islands. The latest Meteosat satellite image for the first days of September shows that cloud cover remains over most parts of the Sahel but that intensity of the rains decreased in central and northern Senegal, Mauritania as well as in Niger and nor thern Chad. Rains remained quite abundant in Guinea Bissau, southern Senegal, Mali, southern Burkina Faso and southern Chad. Assessment missions have been fielded in drought affected areas of Senegal, The Gambia and Mauritania. Reduced rains in July in the west of the Sahel have severely affected crop development and will diminish yield potential. Abundant rains of late August/early September permitted replenishment of soil moisture reserves, regeneration of pastures and filling of water rese rvoirs, thus improving prospects for crops that had not failed. Crops are generally growing satisfactorily in the centre and the east of the Sahel. -
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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