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  • What constitutes a drought - definitions


    johnholmes
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    An absolute drought is a period of 15 consecutive days none of which records more than 0.1 mm of rain

    A partial drought is a period of at least 29 days over which the mean daily rainfall does not exceed 0.2 mm; therefore a period of 29 days with a total rainfall of 5.8 mm would constitute a partial drought but 6.0 mm over the same period wouldn't.

    A dry spell is a period of at least 15 consecutive days none of which records more than 0.9 mm of rain.

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  • August thunderstorms bring the risk of flooding and disruption

    Any rain should be welcome looking at the parched ground but intense downpours aren't enough. Thunderstorms bring the risk of flash flooding as the rain hits the hard, dry ground. Read the full update here

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    UK Storm and Severe Convective Forecast

    UK Severe Convective & Storm Forecast - Issued 2022-08-16 06:11:14 Valid: 16/08/2022 0600 - 17/08/2022 0600 THUNDERSTORM WATCH - TUES 16TH AUG 2022 Click here for the full forecast

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    UK Storm and Severe Convective Forecast

    UK Severe Convective & Storm Forecast - Issued 2022-08-15 07:58:06 Valid: 15/08/2022 0600 - 16/08/2022 0600 THUNDERSTORM WATCH - MON 15TH AUGUST 2022 Click here for the full forecast

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