By Paul Homewood
The Met Office have now published a bulletin on the brief heatwave last week:
A brief heatwave from 12 to 15 September brought exceptionally high temperatures to south-east England, accompanied by some torrential downpours causing flash flooding.
On 13 September, Gravesend (Kent) recorded 34.4 °C, the UK’s highest temperature of the year and the highest September temperature since 1911; this value being around 14 °C above the long-term average. Daily minimum temperatures for 14 September were also exceptionally high, at a few locations exceeding 20 °C.
The heat was associated with a southerly flow of air from France and Spain, with the humidity leading to thunderstorms bringing intense downpours and causing flash-flooding. Several locations recorded hourly totals exceeding 30mm.
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