SUMMARY
After the clearance of any early morning mist from Shetland, another
dry, sunny day. In the west, sheltered from the light SE’ly wind,
it will be quite warm. Friday a similar day though sunshine is likely
to turn hazy as high cloud thickens from the west.
The weekend probably mainly cloudy and misty at times, with outbreaks
of showery rain probably spreading from the west on Saturday and patchy
drizzle on Sunday, as winds become a moderate SW’ly.
Next week possibly mainly dry and - with light E or NE’ly winds
expected - a little cooler.
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GENERAL SITUATION
AND SYNOPSIS
06:00 UTC 08/05/2008
An anticyclone over the North Sea will move little during the next
24-36 hours, but will relax eastwards during the weekend, allowing
weak fronts to move off the Atlantic to affect northern Scotland.
High pressure is expected to build back over the British Isles late
on Sunday, with an anticyclone drifting north-westwards across the
Northern Isles on Monday.
During the course of next week, high pressure is forecast to transfer
to a position between Scotland and Iceland, before later migrating
east over the Norwegian Sea as Atlantic low pressure moves towards
the British Isles.
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FORECAST FOR NEXT THREE DAYS
Weather type – high/medium. Timing – medium.
Daytime temperatures rising to 14° or 15° Celsius inland and
16° or 17° Celsius for the West Mainland of both Orkney and
Shetland. On windward coasts temperatures will probably be around 11° to
13° Celsius. Overnight lows down 6° to 8° Celsius
generally, possibly 5° or 6° Celsius for inland valleys.
THURSDAY 8th: After the clearance of any mist and
patchy low cloud, another dry, sunny day. Towards evening and overnight
mist may again form in inland valleys, with low cloud possibly affecting
some eastern hills and headlands. F2-3 SE’ly winds.
Sea state – Slight with a 1 metre SW’ly
swell
FRIDAY 9th: Continuing dry. Sunny for much of the
time, but this is likely to turn hazy towards sunset as high cloud
thickens in the west. During the evening F2-3 SE’ly winds may
well carry mist and low cloud off the North Sea on to eastern coasts,
with mist also developing in inland valleys.
Sea state – Slight with a 1 metre SW’ly
swell
SATURDAY 10th: Perhaps mainly dry at first, but thicker
cloud bringing the risk of showery rain spreading from the west by
the afternoon. Misty with some coastal and hill fog. F2-3 S to SE’ly
winds.
Sea state – Slight with a 1 metre SW’ly
swell
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TEN DAY OUTLOOK
Confidence level: Weather type – medium. Timing – medium.
Temperatures 14° or 15° Celsius by day – a couple of
degrees cooler on windward coasts - down to 6° to 8° Celsius
overnight.
SUNDAY 11th: Cloudy with patchy drizzle accompanied
by mist and hill fog. Becoming mostly dry and brighter for the afternoon
and evening. Moderate S to SW’ly winds.
MONDAY 12th: Dry and sunny with light and variable
winds.
TUESDAY 13th – SUNDAY 18th: The week possibly
mainly dry and - with light NE’ly winds expected - turning a
little cooler.
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Please note that this page is usually updated every day (around mid-morning) but on occasions updates may be irregular. A daily service by e-mail is available, but is charged for.
If you wish you can have the 10-day Outlook
e-mailed to you free once a week (usually at the weekend).
Please contact Fair Isle Weather Services for further information.
Fair Isle, South Lighthouse
Full moon rising
1700 UTC 25th October
