martinastro
Martin Mc Kenna
Global Moderator
Hero Member
Posts: 5182
Maghera, N. Ireland
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« on: May 06, 2009, 08:38:10 pm » |
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UKww Weather watch for severe gales with squalls, thunder, heavy rain, hail & snow Issued Weds 06/05/2009 2000BST
Areas affected by Warning - NW and western Scotland, upper Highlands, N and W Isles Valid from: 2000BST Weds 6th May- 1500Z Thurs 7th May
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General evolution:
A very deep depression for May is now developing on a strong jet to the NW of the UK with fronts moving east across the above areas along with some heavy rainfall, it is expected 968mb nr 60N 10W by 06Z tomorrow. Forecast: As the gradient increases tonight winds will pick up and become gale to severe gale force in exposed spots from the west by 21Z along with gusts to 65mph. Outbreaks of moderate rain, heavy in places will accompany the winds, some 20mm has already fallen in the last 12 hours in the Western Scottish Isles and a further 20mm is possible but it will become showery from the west by later in the evening. Some of the showers will be very heavy and squally with hail and thunder and gusts to above 75mph. Snow may fall above 400m giving a localised cover on the mountains. There may be some localised flooding and more widespread hazardous road conditions in the wind and rain tonight.
Another area of heavy rain looks likely to affect the W Isles & western Scotland by midday Thursday for around 3 hours adding to the high rainfall totals.
Issued by DJW for UKww, 1900z 06/05/2009
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