A severe thunderstorm was located 15 kilometres northeast of Pomeroy, moving southeast at 40 km/h.
Hazards: - 90 km/h wind gusts. - Heavy rainfall rates of 25 mm/h. - Small hail.
Locations impacted include: Wirral, Clarendon, and Welsford.
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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.