South Africa — not an easing; a fresh cut-off low, Wed–Fri

BUILDING · September 16, 2026 · NO. 0916

THE RISK WINDOW

A new cut-off low develops over the western interior Wed–Fri — very cold, wet and windy over southern Namakwa and the Cape Winelands and Karoo, with snow on the central mountains. This is the third edition in a row to have booked this standdown early.

THE RECORD

2 turning points on record since Sep 13.

Sep 15building → active

Sep 13appeared, building

WHO IT TOUCHES

Public safetyseven national warning systems live at once, and only one of them has published the hour it begins

Energycooling load in one hemisphere, heating load in the other, and a hydropower release with a schedule

CONNECTED

Two forecast threads that will not close on schedule, on two hemispheres — South Africa's cut-off low has been called to ease twice and regenerated twice, and the American heavy-rain event has slipped three editions running to Friday.