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Global Weather Hazards Summary August 8-14, 2014

Severe dryness continues across Latin America and Haiti, with dryness and flooding in parts of Africa

  1. Since early June, seasonal rainfall has been below average and infrequent across northeastern Nigeria, leading to growing moisture deficits. While there is a chance for some relief with increased rainfall forecast during the upcoming outlook period, anomalously dry ground conditions are expected to persist, which still may negatively impact developing crops later into the season.

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Global Weather Hazards Summary July 25-31, 2014

Dryness continues across parts of Latin America, the Caribbean, and Africa; flooding possible in Sudan

Africa Weather Hazards

  1. Since early June, seasonal rainfall has been both below average and infrequent across northeastern Nigeria, which has led to large moisture deficits. While increased rainfall forecast during the next week may provide some relief, ground conditions are expected to remain very dry, which may still hurt crop development later in the season.

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Global Weather Hazards Summary July 18-24, 2014

Africa Weather Hazards

  1. Above-average rain during the past 30 days has saturated ground conditions and caused localized flooding in parts of South Sudan and southern Sudan. Above-average rains forecast during the next week are expected to increase the risk of localized flash flooding
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Human dynamics of climate change (16 July 2014)

This poster shows projections of climate change impacts and population change by the end of the 21st century in the context of the way we live today, without adaptation.

The central map shows information about present-day human dynamics, and the surrounding maps show some of the projections of climate change impacts and population change. The climate projections are taken from the latest generation of climate and impacts models, for the end of the century (2071—2100) relative to a 1981—2010 baseline, under a ‘business as usual’ greenhouse gas concentration scenario (RCP8.5).

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Global Weather Hazards Summary July 11-17, 2014

Flooding possible in Mali, Sudan, and South Sudan; dryness continues in Central America and Haiti

Africa Weather Hazards

  1. Heavy and above-average rains since May has oversaturated ground conditions in southern Mali and resulted in rainfall surpluses greater than 200 percent of normal in some locations. With heavy rain forecast for the next week, the risk for new flooding across the region will be increased.

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Global Weather Hazards Summary July 4-10, 2014

Heavy rains in West Africa and Guatemala, with dryness in Haiti, Honduras, and Nicaragua

  1. Heavy and above average rains since the beginning of June have led to oversaturated ground conditions in Sierra Leone, Liberia, southern Guinea, and western Cote D’Ivoire. The heavy downpours forecast during the next week will increase the risk of new flooding across the region.
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Global Weather Hazards Summary June 27-July 3, 2014

Dryness may persist in East Africa as seasonal rains end, flooding possible in the Sudans, West Africa, and Guatemala

Africa Weather Hazards

  1. Poor rainfall distribution during the March-May rainfall season has hurt agricultural and pastoral activities throughout western Kenya, parts of northeastern Uganda, southeastern South Sudan, and northwestern Tanzania. Southern Ethiopia and northwestern Kenya are forecast to receive limited rains during the next week, which could sustain poor agricultural and pastoral conditions.

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Global Weather Hazards Summary June 20-26, 2014

Dryness continues in East Africa, Honduras and Nicaragua, with flooding possible in West Africa and Guatemala

Africa Weather Hazards

  1. Poor rainfall distribution during the March-May rainfall season hurt agricultural and pastoral activities throughout western Kenya, parts of northeastern Uganda, southeastern South Sudan, and northwestern Tanzania. Southern Ethiopia and northwestern Kenya are forecast to receive limited rains during the next week, which could sustain poor agricultural and pastoral conditions.

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Global Weather Hazards Summary June 13-19, 2014

Dryness continues in parts of East Africa, Central America and Haiti; flooding in Guatemala and West Africa

Africa Weather Hazards

  1. Poor rainfall distribution during March-May rainfall season hurt agricultural and pastoral activities throughout western Kenya, parts of northwestern Tanzania. Although some areas could still receive enhanced rains over the next week, the ending rainy season could further worsen ground conditions.

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Global Weather Hazards Summary June 6-12, 2014

Drought in East Africa, heavy rains in West Africa, with wetness and dryness in Latin America and the Caribbean

Africa Weather Hazards