In the last 12 hours (until 11 pm) the accumulated precipitation in Chão do Areeiro was 272.7 liters per square meter (mm), of which 186.6 mm were recorded in the 6 rainiest hours (an amount that triples the 60 mm/6h of base value for issuing a red warning).
In the 6 am criterion, until 11 pm, seven of the two dozen meteorological stations on the IPMA network in Madeira had recorded extreme values consistent with the red warning – in force for the south coast and mountainous regions. In addition to Chão do Areeiro, the same was true of Pico Alto (169.3 mm/6h), Monte (127.8 mm/6h), Pico do Areeiro (117.7 mm/6h), Bica da Cana (104.5 mm/6h), Prazeres (84.1 mm/6h), and Quinta Grande (62.3 mm/6h). At the three meteorological stations with the highest rainfall records, Chão do Areeiro, Pico Alto and Monte, the extreme risk level for the 6-hour interval was reached in just 2 hours (mid-afternoon) of heavy and persistent rain.