Dennis the menace!

“Another spell of very wet and windy ​weather is expected for Saturday, although Storm Dennis is currently not expected to be as severe as Ciara disruption is still likely. Our confidence in the forecast means we have been able to issue severe weather warnings well in advance, giving people time to prepare for potential impacts of the storm”

Steve Ramsdale, Chief Meteorologist at the Met Office
Courtesy of wxcharts.com

So storm Dennis is expected to arrive on Saturday the fourth named storm of the season and thankfully with a good old fashioned name that we can all pronounce. February is proving to be a very busy affair for the folks down in Exeter, and Dennis looks almost like a repeat performance of storm Ciara with southwesterly gales, but although the low that’s responsible for the coming gales on Saturday is forecast to be much deeper, it’s also forecast to be much further away, as you can see from this muddle of models for 12 UTC on Saturday. The measurements are the approximate difference in pressure between Stornoway and Manston in Kent, for comparison sakes the difference at 12 UTC on Sunday was 47 hPa. I personally think the Met Office should not name a storm until they’ve issued an amber warning for it, but what do I know. Again I think they are flexing their supercomputer muscles to nip in before Met Eireann can name it on Thursday, either that or they’ve come up with some kind of pact about whose turn it is. Again the Met Office are playing canny with warnings for Dennis, initially only issuing one for winds of 60-70 mph on coasts and 50 mph inland for the whole of England and Wales as they did with Ciara. I wonder if Dennis will live up to his name and cause problems?

Courtesy of UKMO
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