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Africa Hazards Briefing August 16, 2011 Miliaritiana Robjhon miliaritiana.robjhon@noaa.gov
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850 hPa Wind Vector Anomalies Heavy rains off the coast of West Africa, Nigeria, Chad, western Sudan were linked to anomalous westerlies during the past week.
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Last WeekThis Week Weekly Rainfall Totals: West Africa Continuation of more localized rainfall distribution in the Sahel, with heavy rains observed in central Senegal and western Niger. Moderate rains observed in western Mali.
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Rainfall patterns in Mali Rainfall anomaly, 3 rd Dekad of JulyRainfall anomaly, May-July Source: Aminata Makalou, Mali Met. Ser.
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Rainfall patterns in Niger Rainfall totals, JulyRainfall anomaly Source: Special Bulletin for Agriculture for Niger
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Rainfall patterns in Nigeria Rainfall totals, 3 rd Dekad of July Rainfall anomaly, 3 rd Dekad of July Soil moisture Source: James Adamu, NIMET
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7 Day 30 Day Last WeekThis Week
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Kayes, Mali Gaya, Niger
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Vegetation Conditions NDVI anomaly Vegetation Health Index Source: NESDIS/STAR Improvement in Niger, but persistent poor conditions along the Mauritania-Mali and eastern Nigeria. Last WeekThis Week
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Weekly Rainfall Totals: Eastern Africa
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Rainfall over Ethiopia July rainfall anomalyRainfall anomaly, June-July Source: Ethiopian Meteorological Agency Source: Chris Funk, using Ethiopian Agromet and unbiased RFE climatology Both appear to agree on the dryness across portions of the western and central regions. no data below-average average above-average
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7 Day 30 Day Last WeekThis Week
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Buuloburde, Somalia Kisumu, Kenya
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Vegetation Health Index Source: NESDIS/STAR Vegetation Conditions NDVI anomaly Slightly improving conditions in eastern Sudan and western Ethiopia. Last WeekThis Week
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1200 Z 17 May 2011 IR Satellite Imagery
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GFS 7-day Verification GFS seems to capture the location, but over forecasts the rainfall amounts.
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GFS 1-week Rainfall Forecast
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