Brazil — a cold front and a southern low, yellow in Rio Grande do Sul

ACTIVE · September 16, 2026 · NO. 0916

THE RISK WINDOW

Yellow storm and hail over south-eastern Rio Grande do Sul including Porto Alegre, with storms over Bahia, Espírito Santo and Minas Gerais, rain across the Centre-West, low humidity inland and isolated frost. Routine — but a fresh southern-storm signal enters the board.

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

Agricultureharvest and livestock decisions on four continents, and one of them has a published start time