BOM – Severe thunderstorms Richmond and Londonderry – Bilpin expected to be hit around 4.55pm

The Bureau of Meteorology warns that, at 3:55 pm, severe thunderstorms were detected on the weather radar near Richmond and Londonderry.

These thunderstorms are slow moving, says BOM.

They are forecast to affect the Wollemi National Park north of Kurrajong by 4:25 pm and Bilpin by 4:55 pm.