The western basins of the Algarve, with 9.8%and Lima, with 18.4%they were the ones with the least amount of water stored on the continent at the end of August, which has been the case since at least October of last year.
According to data from the National Water Resources Information System (SNIRH), the storage averages for the month of August are found in Barlavento and Lima de 59.7% It is 60%respectively.
At the end of August, Cávado (33.9%), Sado (35.3%), Mira (36.2%), Arade (39.8%), Oeste (47.5%), Tejo (47, 8%), Bird (50.8%) and Douro (51%).
already the The Guadiana (62.3%) and Mondego (67.2%) basins present the highest levels.
Thirty-two of the 60 reservoirs monitored had, at the end of August, water availability below 40% of the total volume, while three had values above 80%, according to the SNIRH.
On the last day of August and compared to the previous month, there was a increase in the volume stored in a basin and a decrease in 11.
August 2022 storages are shown by basin below August storage averages (1990/91 to 2020/21), except the Arade basin.
Each basin may correspond to more than one reservoir.
According to the meteorological drought index (PDSI) of the Portuguese Institute of the Sea and the Atmosphere (IPMA), on July 31 the entire country was in a meteorological drought situation, with an increase in the area in the extreme drought class.
At the end of July, 55% of the territory was in the severe drought class and 45% in extreme drought.
According to the IPMA, there are four types of drought: meteorological, agricultural, hydrological and socioeconomic.
Source: Observadora
