The second half of April marked the north Brazilian coast with a characteristic phenomenon: abundant rain. During this time of year, the migration of the Intertropical Convergence Zone over the north and northeast regions of Brazil intensifies rainfall activity. In recent days, rainfall has reached notable levels in several locations along the north coast.
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Intense rain
The last 10 days have witnessed a series of generous rainfall across the region. Cities such as Morada Nova, in Ceará, had records of up to 200mm of rain, while Patu, in Rio Grande do Norte, recorded 109mm. Tinguis, in Piauí, Chapadinha, in Maranhão, Belém, in Pará, and Serra do Navio, in Amapá, were also impacted, with significant rainfall accumulations, exceeding 180mm in many cases.
Forecast for the end of April
The end of April is expected to continue this rainy trend. The regions of Amapá, Pará, Maranhão, north of Piauí, coast of Ceará and coast of Rio Grande do Norte are experiencing the most intense rainfall. In Amapá, for example, rainfall is expected to exceed 150mm by the end of the month, highlighting the persistence of these conditions. For other areas, the accumulations must vary between 60 and 80mm, with the possibility of exceeding this value in specific points.
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Figure 1- Accumulated rainfall for the next 6 days.
Source: Climatempo
For residents of Brazil’s north coast, heavy rains during the second half of April are a well-known annual event. The persistence of these conditions highlights the resilience and adaptability of local communities in the face of recurring challenges. Each year, residents face this familiar weather pattern, reinforcing the ongoing need for preparedness and risk management measures to mitigate the impacts of heavy rainfall in the region.
