Weather Watch 19th October 2020

Good afternoon and welcome to Monday’s Weather Watch taking a look at the weather for the islands, the UK and around the Globe.

On this Monday afternoon we are seeing rain across large parts of the Western Isles. The heaviest of the rain so far has been across the Uists and Barra. South Uist range has seen 9 mm of rainfall since midnight. Today’s high so far of 8.9C. Winds under 10 mph.

We are now going to take a look at the next few days weather. All the images shown below come from the Met office and can be found by following this link https://www.metoffice.gov.uk/weather/maps-and-charts/surface-pressure

Western Isles forecast – (UK forecast to follow)

Tuesday – Low pressure is anchored over Ireland 981 mb. The strongest winds from this system will be out in the Atlantic where the tightest isobars area. We are going to see heavy and persistent overnight rain for large parts of the Western Isles. This will gradually clear away during the morning. Behind it will be overcast with some showers. Winds will be from the East and South East. Gusting 10 to 30 mph. Temps of 7C to 12C

Surface pressure - Forecast chart

Wednesday – On Wednesday we have quite the messy synoptic setup. We have multiple areas of low pressure in play. 988mb north of the Western Isles. 991 over central England and 999mb North West of spain. All these and associated weather fronts will bring us rain and strong winds at times. We are going to see further spells of heavy rain during Wednesday with some sunny spells in between. Winds gusting 30 to 40 mph from the North and North West. Temps of 5C to 10C but feeling cooler in the wind chill.

Surface pressure - Forecast chart

Thursday – Things ever so briefly become more settled with a ridge of high pressure building in across the islands. A cold and chilly start with a mixture of sunshine and cloud. Light winds. Dry with some patchy rain moving in later.

Surface pressure - Forecast chart

UK Forecast

On Tuesday and area of low pressure moves across the Western parts of the UK bringing rain and gales. Dry with some sunny spells for Wale and England before rain arrives from the South later. Wednesday rain for Northern Scotland and Southern England. In between mainly dry with some sunshine and a few showers. Thursday a fine dry and sunny day for bulk of the UK. Light winds and a few scattered showers.

UK Weather News

There Met Office warnings in force for rainfall. This includes Lewis and Harris. I have done a blog on the impacts for the Western Isles.

https://westernislesweather.com/2020/10/19/met-office-rainfall-warning-and-sepa-flood-alert-for-the-western-isles-19-oct-2020/

The latest updates can be found via the Met Office website or app and there is also a SEPA flood alert in force for the Western Isles.

The Spanish Met Office has named a low pressure system Storm Barbara more here from the UK Met Office

https://www.metoffice.gov.uk/about-us/press-office/news/weather-and-climate/2020/storm-barbara-191020

Global Weather News

In the tropical atlantic we have new formed tropical depression 27 and it expected to become tropical storm Epsilon

For the very latest please refer to the National Hurricane Centre website for the very latest.

Thank you for reading. I hope you have enjoyed it. Feedback is always welcome.

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