Warm air to bring short hot spell

31 07 2013

Temperatures are forecast to exceed 30 °C tomorrow in some areas with a heat health warning in place for parts of the south east. However, these high temperatures are expected to be short lived with temperatures dropping by a few degrees again over the weekend.

maximum-temperatures

Why are we only seeing one day of high temperatures?

The brief warmer weather is due to hot air being drawn north from the Spanish plateau to the British Isles. Shortly after, Atlantic air coming in from the west brings a return to average conditions for the time of year.

The surface pressure charts below show the warm air being drawn up, followed by the cold front moving in from the west.

surfacepressurechart

Watch our video for help understanding synoptic charts.








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