Brazil — yellow storms inland, intense rain in the north-west
ACTIVE · September 17, 2026 · NO. 0917
THE RISK WINDOW
Yellow storm and hail for Minas Gerais, with the Ouro Preto window running to about 10:00 today, storms over Bahia and Espírito Santo, intense rain over Acre and Amazonas and low humidity across the Centre-West. The next Rio Grande do Sul yellow window is about Sep 19.
THE RECORD
5 turning points on record since Sep 8.
Sep 15easing → active · became confirmed
Sep 13▽ slipped down the board
Sep 12↑ moved up the board
Sep 11active → easing · eased sharply
Sep 8appeared, active
WHO IT TOUCHES
Events and venuesa national holiday weekend in the path of a storm, and outdoor crowds under heat records at the other end of the board
Agricultureharvest and livestock decisions on five continents, and one of them can be read off a published schedule