Drought and flood monitoring bulletin

The Flood and Drought Bulletin provides a monthly overview of rainfall conditions across Ghana, using the Standardized Precipitation Index (SPI) as a key tool for monitoring and assessing drought and flood risk. The SPI is a widely recognized meteorological index that quantifies precipitation anomalies by comparing observed rainfall over a specific accumulation period with the long-term historical average for the same period at a given location. By capturing both short- and long-term deviations from normal rainfall patterns, the SPI enables the identification of emerging dry or wet conditions. This bulletin supports early warning efforts by providing timely and spatially detailed information to guide climate-sensitive sectors, including agriculture, water resources, and disaster risk management.

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May 2025 Flood and Drought Bulletin
The SPI analysis for rainfall in May 2025 has been generated in multiple timescales of 1-month (May 2025), 3-month (March 2025 – May 2025), 6-month (December 2…
22 views
May 1, 2025 - May 31, 2025
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April 2025 Flood and Drought Bulletin
The SPI analysis for rainfall in April 2025 has been generated in multiple timescales of 1-month (April 2025), 3-month (February 2025 – April 2025), 6-month (N…
18 views
April 1, 2025 - April 30, 2025
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March 2025 Flood and Drought Bulletin
The SPI analysis for rainfall in March 2025 has been generated in multiple timescales of 1-month (March 2025), 3-month (January 2025 - March 2025), 6-month (Oc…
22 views
March 1, 2025 - March 31, 2025
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February 2025 Flood and Drought Bulletin
The SPI analysis for rainfall in February 2025 has been generated in multiple timescales of 1-month (February 2025), 3-month (December 2024 – February 2025), 6…
10 views
Feb. 1, 2025 - Feb. 28, 2025
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January 2025 Flood and Drought Bulletin
The SPI analysis for rainfall in January 2025 has been generated in multiple timescales of 1-month (January 2025), 3-month (November 2024 – January 2025), 6-mo…
22 views
Jan. 1, 2025 - Jan. 31, 2025
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December 2024 Flood and Drought Bulletin
The SPI analysis for December 2024 has been generated in multiple timescales of 1-month (December 2024), 3-month (October 2024 – December 2024), 6-month (July …
22 views
Dec. 1, 2024 - Dec. 31, 2024
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