Weekend Weather Forecast 30/9/10

Forecasts and WeatherWebTV news from our resident weather guru Simon Keeling

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Weekend Weather Forecast 30/9/10

Postby weatherman » Thu Sep 30, 2010 4:45 pm

Hello again,

Thanks for your feedback about the new SWIS forecasts online at http://www.weatherweb.net/swistrial.htm These will be added to the main SWIS site at www.sailingweather.co.uk very soon. I’ll be adding some new forecasts on there too.

Some diary dates for you; first up is Saturday 30th October when I’ll be holding Sailing Weather School (Part 1). I’ve a couple of spaces left on the course, so if you want to come along for a full day immersed in the weather, now is your chance. Sailing Weather School (part 2) is being held on 29th January 2011 and I have four spaces left on that course. To find out more about what we cover on each course, and to book, go to http://www.weatherschool.co.uk

For those of you who would like a more intensive weather learning experience, I’m running Advanced Sailing Weather on the weekend of 5th/6th February 2011. This will be an intensive two days of weather training from understanding how the weather works to using weather models, GRIB data and making your own forecasts. It is being run for a maximum of three people and I currently have one space left on this course. Again, for more information see http://www.weatherschool.co.uk

Onto the weekend forecast, and if you know anyone who’d like to receive this email each week just tell them to send a request to join to

Have a good weekend,

Issued: 1700 Thursday 30th September 2010

Low pressure is going to be dominating the weather across the British isles through Saturday. The main centred of the low will be to the west of Ireland, with a moderate southerly flow affecting the rest of the country. A frontal system is going to be trailing west to east through the English Channel.
Most of the country will have a day of broken cloud and showers. The showers tending to be focused through more western areas, where some of the showers will be heavy.
To the south of England the front in the Channel is going to be pushing rain northwards onto southern coasts, this becoming heavy at times as it tracks northwards through the day. Visibility will be reduced across southern England as rain sets in and cloud bases lower.
Winds will be mainly S’ly 18-26kt (F5-F6) in the west and 12-14kt (F3-F4) in the east.


A complex situation for Sunday, although low pressure remains in control. Generally the flow is going to be a moist southerly with bands of rain pushing northwards through the country.
A wet day is likely across southern England and Wales. This rain will be heavy at times as it pushes into northern England. Visibility will be moderate or poor and cloud bases will be low, overall a wet day is likely (although confidence is low).
For most of Scotland, Ireland and perhaps the west of Wales and southwest England the day should be better. There will be some showers and broken cloud through the day.
Winds will be mainly SE 12-15kt (F4-F5) but increasing to a S 15-20kt (F5) through the English Channel.


Simon Keeling, PhD MSc, FRMetS
My new book The Pocket Weather Forecaster is out now. Read sample pages here.

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