A severe thunderstorm was located 4 kilometres southwest of Oxford, moving east at 15 km/h.
Hazards: - Heavy rainfall rates of 30 to 40 mm/h.
Locations impacted include: Oxford.
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Heavy rain may cause flash flooding and significant reductions to visibility.
Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain.