On 12 November 2018, the Argentina Civil Defense reported heavy rain and storms over the weekend affected the cities of Lomas de Zamora, La Matanza, Lobos, La Plata, Arrecifes, Marcos Paz, and Lanus in Buenos Aires Province. In addition, media reported more than 1,300 people were evacuated from 10 municipalities in Buenos Aires and 120 people were evacuated from the city of Quilmens due to storms. The reports are available in Spanish at: Defensa Civil PBA and El dia Noticias
On 11 November 2018, the Brazil Ministry of National Integration reported heavy rain and landslides in Niteroi Municipality, Rio de Janeiro State where several families were affected. Media reported 15 fatalities in the city of Niteroi due to mudslides and affected 300 people leaving them homeless throughout the State of Rio de Janeiro. The reports are available in Portuguese at: Ministerio da InTegracao Nacional and Tempo Noticia.