Weather

Friday, July 3, 2015

 

HEADLINES

TODAY: Becoming mainly dry and bright. A warm day. Mist, low cloud and fog patches returning later.

TONIGHT: Misty with hill and coastal fog patches. Breezy.

TOMORROW: Misty with outbreaks of rain. Coastal and hill fog patches. Windy, Cooler.

DAYS 3-5. Becoming mainly dry on Sunday although low cloud lingering. Dry on Monday with outbreaks rain and windier on Tuesday.

DAYS 6-10: A little rain then possibly mostly drier, cooler and clearer.

 

SUMMARY

Dry today for Orkney with some warm sunshine. After some early drizzle, mist and low cloud   Fair Isle and Shetland will see a drier, brighter afternoon.  A moderate W’ly wind will turn E’ly later. Dry with some early evening sunshine across Orkney before low cloud and haar become more extensive through the evening and night. Strengthening E’ly winds.

Saturday cloudy with occasional outbreaks of rain accompanied by fresh to strong E’ly winds, misty conditions with hill and coastal fog. Sunday drier and brighter again, with mist and fog patches carried onshore by mostly light SE’ly winds. Monday brighter, but with scattered showers and moderate S to SW’ly winds.

The middle of next week possibly unsettled with rain or showers and fresh SE’ly winds. The latter part and weekend possibly becoming clearer and brighter but cooler with showers as moderate to fresh SE to E’ly winds back NE to N’ly.

 

GENERAL SITUATION AND SYNOPSIS 06:00 UTC

A cold front moved east across the Northern Isles earlier today, introducing somewhat cooler air across the area. A small anticyclone will build across the north of Scotland today, but drift away northwards tonight with a strong SE’ly airflow developing during Saturday, ahead of fronts pushed across northern Scotland by an Atlantic depression.

During the course of next week this depression may track east across the north of the UK as a filling feature, the airflow in the north backing NE to N’ly as it does so.

 

FORECAST FOR NEXT THREE DAYS

Daytime temperatures of 15° to 17° Celsius today, perhaps 18° across parts of Orkney and Sunday. A cooler 12° to 14° on Saturday. Overnight lows generally around 10° Celsius.

FRIDAY 3rd: A dry day for Orkney with some warm sunny spells. After some early drizzle, mist and low cloud Fair Isle and Shetland will see a drier, brighter afternoon with some sunny spells, though some mist and fog patches may linger around coasts and headlands. F4 W or NW’ly winds turning NE to E’ly later. Low cloud, mist and fog becoming more extensive during the evening but staying mostly dry overnight with F4 E’ly winds.

Sea State: Slight to moderate, with a 1 to 2 metre SE’ly wind-swell.

SATURDAY 4th: Cloudy with occasional outbreaks of rain accompanied by F5-6 E’ly winds, misty conditions with hill and coastal fog.

Sea State: Slight to moderate, with a 2 metre E’ly wind-swell.

SUNDAY 5th: Drier and brighter again, though mist and fog patches slow to clear. Light SE’ly winds.

Sea State: Slight to moderate, with a 1 to 2 metre SE’ly wind-swell.

 

10-DAY OUTLOOK

Temperatures 13° to 16° Celsius by day. Overnight lows down to around 9° Celsius.

MONDAY 6th: Bright with sunny spells and scattered showers with moderate S to SW’ly winds.

Sea State: Perhaps slight to moderate, with a 1 to 2 metre SE’ly wind-swell.

TUESDAY 7th: Cloudy with rain and strengthening SE’ly winds.

Sea State: Perhaps mostly moderate, with a 2 metre SE’ly wind-swell.

WEDNESDAY 8th – MONDAY 13th: Perhaps continuing unsettled for a few days with further rain or showers and fresh SE’ly winds. The latter part of the week and weekend possibly becoming clearer and brighter but cooler with showers as moderate to fresh SE to E’ly winds back NE to N’ly.

Sea State Wednesday: Possibly mostly moderate, with a 2 metre S to SE’ly wind-swell.

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