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Convective Outlook - UK/Ireland - Wed Sept 8th

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Author Topic: Convective Outlook - UK/Ireland - Wed Sept 8th  (Read 72 times)
martinastro
Martin Mc Kenna
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« on: September 07, 2010, 11:08:37 pm »



Storm Forecast Issued: 2010-09-07 21:36:00
Valid: 2010-09-08 00:00:00 - 2010-09-08 23:59:00

Regions Affected
Northern Ireland, Ireland East Anglia, S Wales and SE, CS + SW England ( all of the United Kingdom, excluding the far north of Scotland, is included in the WATCH )

Synopsis

A slack area of Low pressure situated across the United Kingdom will dominate the weather on Wednesday.

A finger of heavy rain will extend into CS England through the early hours, with a rather low risk of embedded lightning/thunder. This band is then expected to move very slowly eastwards during Wednesday daytime, but will break up into scattered heavy showers, with a chance for a thunderstorm or two as well.

Numerous showers and thunderstorms are forecast over Ireland and Northern Ireland, and these may be carried across parts of the North Atlantic into SW England and S Wales at times.

Showers are forecast to shrink rapidly to coastlines during the evening hours, lingering close to the south coast through the first part of the night where they may still emit thunder/lightning. Small hail, to 1cm in diameter, may accompany many of the showers over Ireland/Northern Ireland, Wales and SW England given the rPm airmass.
« Last Edit: September 07, 2010, 11:11:02 pm by martinastro » Report Spam   Logged

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markt
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« Reply #1 on: September 08, 2010, 07:19:57 am »

Yuck!  It's a real unstable week.  We're just in the watch area today, looks like it's you guys turn in NI for the more interesting stuff.  Hope you get a nice show Wink
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martinastro
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« Reply #2 on: September 08, 2010, 01:07:58 pm »

I hope so Mark, I have just found out I have no car until 16.00 lol - now other forecasters think here's no chance of storms today due to a change in the forecast, convection looks good to me here at the moment.
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martinastro
Martin Mc Kenna
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« Reply #3 on: September 08, 2010, 07:37:09 pm »

Torrential downpour in Maghera at 18.00 onwards with big black wall cloud over the town, could see fabulous vertical inflow motion from it including slight rotation.
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