Weather Forecast

Friday, November 28, 2014

 

HEADLINES

TODAY: Cloudy with outbreaks of rain. Strong winds.

TONIGHT: Outbreaks of rain. Windy.

TOMORROW:Outbreaks of rain, more persistent later. Windy.

DAYS 3-5: Rain or showers. Often windy. Turning colder.

DAYS 6-10:Unsettled and windy. Perhaps briefly drier and brighter with lighter winds later.

 

SUMMARY

Cloudy today with further outbreaks of rain, heavier at times over Shetland. Misty at times with hill fog. Fresh to strong SE’ly winds, locally gale-force at first over Shetland. Little change overnight.

Further patchy rain on Saturday, becoming more persistent later. SE’ly winds easing and veering SW to W’ly as rain clears overnight. A cooler day on Sunday. Starting dry and bright with lighter winds for a time. More rain overnight, with strengthening S to SW’ly winds.

Rain clearing Monday morning then drier and brighter. Showers developing later and turning colder as SW’ly winds veer W’ly and strengthen. Rain or showers on Tuesday with strong to near-gale W’ly winds.

Remainder of next week perhaps unsettled and changeable with rain or showers, also cool with strong SW to W’ly winds. Possibly becoming drier and brighter with lighter winds for a brief time later.

 

GENERAL SITUATION AND SYNOPSIS 06:00 UTC

With pressure high to the northeast and a depression to the southwest of the British Isles a strong and moist SE’ly airflow covers northeast Scotland.

During the today and Saturday mostly weak fronts, caught up in the persistent SE’ly airflow, will affect the Northern Isles at times.

On Sunday a change to cooler conditions is expected as pressure builds across the south of the UK and a sequence of Atlantic lows is forecast to track northeast close to Iceland. These will drive fronts east across Scotland, introducing an often strong and cooler SW to W’ly airflow.

For next week the current prognosis suggests pressure is likely to remain relatively high across the south of the UK. With pressure low to the northwest, this is likely to maintain a strong and unsettled zonal SW to W’ly airflow over the Northern Isles for much of the first week of December.

 

FORECAST FOR NEXT THREE DAYS
Temperatures rising to around 9° Celsius by day, with overnight lows of about 7° Celsius.

FRIDAY 28th: Cloudy with further outbreaks of rain, this mostly light but occasionally heavier. Also misty at times with hill fog. F6-7 SE’ly winds, locally perhaps touching gale F8 at first. Remaining cloudy tonight with further outbreaks of rain or drizzle accompanied by misty conditions and hill fog. Winds remaining fresh to strong SE’ly.

Sea State: Rough, with a 3 to 4 metre S to SE’ly wind-swell.

SATURDAY 29th: Cloudy with patchy light rain, this becoming more persistent and heavier later in the day. F6 SE’ly winds will begin to ease. Becoming drier and clearer overnight as winds veer F4-5 SW to W’ly.

Sea State: Rough, with a 3 to 4 metre S to SE’ly wind-swell.

SUNDAY 30th: A cooler day. Starting dry and bright with lighter W’ly winds for a time. Clouding over later with rain and strengthening SW’ly winds overnight.

Sea State: Moderate to rough becoming rough, with a 2 to 3 metre S’ly wind-swell increasing 3 to 4 metre.

 

10-DAY OUTLOOK

Colder with daytime temperatures rising to around 7° or 8° Celsius. Overnight lows falling to about 5° Celsius. Milder again later.

MONDAY 1st: Starting cloudy with rain then brighter with sunny spells. Strong S’ly winds veering SW’ly and easing for a time for the afternoon. Showers developing later as winds veer strong W’ly. Turning colder with some showers perhaps wintry across the hills.

Sea State: Perhaps rough, with a 3 to 4 metre SW’ly wind-swell turning W’ly.

TUESDAY 2nd: Rain or showers with strong to locally gale-force W’ly winds.

Sea State: Perhaps very rough or high in the west, with a 5 to 6 metre W’ly wind-swell. In the east moderate to rough, with a 2 to 3 metre W’ly wind-swell.

WEDNESDAY 3rdMONDAY 8th: Probably bright with showers and strong W’ly winds on Wednesday. Perhaps remaining unsettled and changeable with rain or showers, also cool with strong SW to W’ly winds. Possibly becoming drier and brighter with lighter winds for a brief time later.

Sea State Wednesday: Possibly very rough or high in the west, with a 5 or 6 metre W’ly wind-swell. In the east moderate to rough, with a 2 to 3 metre W’ly wind-swell.

 
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