Heavy rain tracking SE along frontal wave Tuesday

September 16, 2013 — Leave a comment

A few wet days this week and then things looking warmer, brighter and more beautiful from the weekend!  Whilst not a heatwave it will be dry and pleasantly warm, even building to 23c possibly next week.

Reigate and SE is in for some heavy rain from lunchtime onwards Tuesday as a frontal wave forms under a brisk NW jetstream lying across the country. A wedge of warm tropical air will surge up from the SW and blast briskly up the Channel with gale force winds up to 50mph, and meet the Polar air blowing in from the NW lying over the country. The difference in the temperature of these air masses is pronounced: with places to the North of the front seeing Tmax 10c and those well to the south coast possibly hitting the high teens 17c, though in a brisk wind it won’t feel like that!  In between, the tropical air will lift, creating thick cloud and rain. Reigate can expect around 11-12mm of rain, possibly more, starting lunchtime and getting heaviest in the afternoon and getting lighter through the night.

After a drier Wednesday and another wet day on Thursday, things are still looking up for a pleasant weekend as a HIGH builds giving us a much drier run through maybe even to the end of the month.

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