Cwmgarw Road in Upper Brynaman was brought to a standstill by a combination of heavy snow and thunder.
It might have been short-lived, but there was some real snow in places on Tuesday.
Upper Brynaman was hit by a freak combination of snow and thunderstorms.
Cwmgarw Road was almost brought to a standstill at the storm's height, but the conditions soon eased and traffic movement returned to normal.
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