Mammatus Cloud in Durham on 6th February 2022

Mammatus Cloud in Durham

The following was observed just after the passage of a very potent shower on 6th February 2022. The ‘cows udder’ appearance of Mammatus Cloud is due to intense updraughts in the base of the cloud, effectively throwing precipitation back upwards, against gravity. They can be intensely turbulent, and aircraft are best advised to avoid them if they are on a …

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Tonga volcanic eruption detected in Durham!

Tongan volcanic eruption shockwave in Durham Weather data

On 15th January a sub-marine volcano, Hunga Tonga–Hunga Haʻapai, just off the coast of Tonga, exploded with incredible force. The blast wave was visible from space and caused tsunami waves all around the perimeter of the Pacific Ocean. The eruption was some 10,000 miles away from the UK, on the other side of the World. For those that don’t know, …

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New Met Office Supercomputer Announced for 2022

Old Met Office Computer and Printer

Ever wondered why your village was suddenly flooded by a thunderstorm the weather forecasters hadn’t mentioned? Or why they failed to warn you about the dense fog shrouding your home in the morning? The fact is that predicting the “big picture” of future conditions has got a lot better – Storm Dennis was spotted six days before it arrived. But …

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