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SAHEL WEATHER AND CROP SITUATION - September 1999








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    SAHEL WEATHER AND CROP SITUATION REPORT - September 2000 2000
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    Following generally widespread and abundant precipitation over the main agricultural zones of the Sahel in July, rains remained abundant over the western half of the Sahel in early August, decreased in mid-August but resumed in late August. Rains were particularly abundant during the first dekad of August in Senegal (even causing flooding in several areas), The Gambia and Guinea Bissau, during the second dekad in Mauritania and during the third dekad in Mali. In the centre of the Sahel, precipit ation remained below normal in Burkina Faso, except in the south and west. In Niger, below normal rainfall was registered in late August while in Chad, growing conditions were favourable in the Sudanian zone but unfavourable in the Sahelian zone. Satellite images for the first dekad of September shows that cloud coverage remained over most agricultural zones of the Sahel but that intensity of the rains decreased significantly except in south-western Senegal, Gambia and Chad. Rainfall is notably well below normal in northern and south-eastern Senegal, western Mali and most parts of Niger. Crops are generally developing satisfactorily in the western half of the Sahel region. Reduced rains affected crop development in central and eastern Burkina Faso, most parts of Niger and the Sahelian zone of Chad. Improved rains are needed in these areas to avoid water stress or crop failure. Following good rains in July, pastures have regenerated satisfactorily throughout the pastoral zone s of the Sahel. Grasshopper attacks are reported in Chad, Mali, Mauritania, Niger and Senegal. Small scale Desert Locust breeding is in progress in southern and central Mauritania. Some locusts are probably present and breeding in the Adrar des Iforas of Mali and in Aïr of Niger.
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    SAHEL WEATHER AND CROP SITUATION - October 1999 1999
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    After abundant rains in mid or late August in several parts of the Sahel, rainfall decreased somewhat in September but remained generally widespread and above normal. During the first two dekads, rains were well distributed over the producing zones of the Sahel and abundant in Senegal, The Gambia, Guinea Bissau, Burkina Faso and Chad. However, they were more limited in Mali. During the third dekad, they stopped in north-western Senegal and central Chad but continued over all the other producing zones. Cumulative rainfall is generally normal to above normal in Burkina Faso, Chad, The Gambia, Niger and Senegal. High water levels in the Senegal and Niger rivers caused flooding, notably in Mauritania. Soil moisture reserves are adequate except in some areas in northern Senegal and Niger. Early millet and sorghum are maturing or reaching harvest stage in most productive zones. Satellite images for the first dekad of October indicate that cloud coverage continued over most producing zones of Senegal, Mali, Burkina Faso and Chad but diminished over Mauritania, north-eastern Burkina Faso and Niger. Precipitation remained above normal in southern and central Senegal, Mali, western Burkina Faso and southern Chad. Overall, good harvests are anticipated in most countries. Pastures are abundant and of good quality, notably in Mauritania. Pest infestations (mostly grasshoppers, blister beetles and floral insects) were reported in Cape Verde, Niger, and Senegal. A small outbreak of De sert Locusts occurred in northern Mali as a result of exceptionally good breeding conditions. Limited breeding has also been reported in Mauritania. Elsewhere, no significant developments are expected.
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    SAHEL WEATHER AND CROP SITUATION REPORT - August 2001 2001
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    Rains were generally regular and widespread over the main producing zones of the Sahel in July. Rainfall improved notably in Chad, Mali and Niger during the second and the third dekads of July. Precipitation has been particularly abundant in the sudanian zone of Chad during the third dekad of July compensating for insufficient rains earlier in June. By contrast, the north of Burkina Faso received reduced rains. In the western countries (Mauritania, The Gambia, Guinea-Bissau and Senegal), rains w ere regular and above normal during the first dekad of July. They decreased somewhat in mid and late July but remained widespread, notably in Guinea-Bissau. Cape Verde registered its first significant rains in mid-July in Santiago and Fogo islands. Satellite imagery for the first week of August indicates that Chad, Burkina Faso and Senegal received above normal rains. Soil moisture reserves are generally adequate to allow a satisfactory crop development in most agricultural zones. No water stress is reported so far. Late plantings of coarse grains are underway in the north of Senegal and in Mauritania while wet plantings have started in the agricultural islands of Cape Verde. Pastures are regenerating gradually in the pastoral zones. Infestations of grasshoppers are reported in Chad and Niger resulting in localized replanting of coarse grains. Although no Desert Locusts were reported, low numbers of solitarious adults are likely to be present in areas of southern Mauritania, northern Mali, northwestern Niger and perhaps in eastern Chad and are expected to increase gradually with rainfall.

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