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Africa Hazards Briefing August 16, 2011 Miliaritiana Robjhon

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Presentation on theme: "Africa Hazards Briefing August 16, 2011 Miliaritiana Robjhon"— Presentation transcript:

1 Africa Hazards Briefing August 16, 2011 Miliaritiana Robjhon miliaritiana.robjhon@noaa.gov

2 850 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.

3 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.

4 Rainfall patterns in Mali Rainfall anomaly, 3 rd Dekad of JulyRainfall anomaly, May-July Source: Aminata Makalou, Mali Met. Ser.

5 Rainfall patterns in Niger Rainfall totals, JulyRainfall anomaly Source: Special Bulletin for Agriculture for Niger

6 Rainfall patterns in Nigeria Rainfall totals, 3 rd Dekad of July Rainfall anomaly, 3 rd Dekad of July Soil moisture Source: James Adamu, NIMET

7 7 Day 30 Day Last WeekThis Week

8 Kayes, Mali Gaya, Niger

9 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

10 Weekly Rainfall Totals: Eastern Africa

11 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

12 7 Day 30 Day Last WeekThis Week

13 Buuloburde, Somalia Kisumu, Kenya

14 Vegetation Health Index Source: NESDIS/STAR Vegetation Conditions NDVI anomaly Slightly improving conditions in eastern Sudan and western Ethiopia. Last WeekThis Week

15 1200 Z 17 May 2011 IR Satellite Imagery

16 GFS 7-day Verification GFS seems to capture the location, but over forecasts the rainfall amounts.

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18 GFS 1-week Rainfall Forecast

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