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Week ahead - September 26, 2017
Unsettled start to October
Cooler than recently

Issued: 1000hrs Tuesday 26th September 2017
Duty forecaster: Garry Nicholson

Threat of severe gales Sunday-Monday

Two former Atlantic hurricanes will contribute to a potent area of low pressure which will develop and head toward the British Isles by Sunday. Precise detail remains uncertain, but there is a threat of widespread heavy rain and strong winds, with gales or severe gales possible for some areas.

For the weather for the next few days click here

Friday 29/09/17
A frontal system will pass eastwards across Britain during the day, bringing cloud and outbreaks of rain to most places. This will persist for several hours, heaviest and most prolonged over the hills in the west & north-west, but patchier toward the east & south-east of England. A clearance should develop from the west, with sunny spells breaking through. Showers will follow into Ireland. A south-westerly breeze. Highs 13 to 18C.

Saturday 30/09/17
Pressure will briefly build, bringing a bright day to most areas. A few showers are possible, mainly around western coasts and hills in the morning. Variable cloud and sunny spells. A developing Atlantic frontal system is expected to approach from the west later, although timing uncertain. Freshening winds for western areas, and rain may envelop Ireland before dark. Highs 13 to 17C.

Sunday 01/10/17
Confidence of precise detail is low. However, an unsettled day is likely, as a deep Atlantic low moves toward or across the British Isles. Heavy rain may become extensive, which may persist most of the day in western areas. Windy, possible gales in the west & north-west. Some eastern regions may escape dry for a time. Highs 12 to 17C.

Monday 02/10/17
A windy day is likely, with a risk of gales, especially in the north & west. Rain is likely to push through, but followed by showers, which may be frequent in the west. Sunny spells, but feeling cool. Highs 12 to 16C.

Tuesday 03/10/17
A breezy and showery day is expected. Rain may be frequent in the west & north-west, whilst the south & east should be drier. Highs 12 to 16C.

Wednesday 04/10/17
Pressure may begin to build into midweek, bringing fairer weather for all. A few showers remain likely. Highs 13 to 17C.

Week Ahead
General Remarks
We, 27.09. various clouds, light rain 16° - 22° 90%
Th, 28.09. cloudy, light rain 14° - 20° 80%
Fr, 29.09. cloudy, rain 13° - 18° 70%
Sa, 30.09. various clouds, light rain 13° - 17° 60%
Su, 01.10. cloudy, rain 12° - 17° 60%
Mo, 02.10. various clouds, rain 11° - 16° 50%
Tu, 03.10. various clouds, rain 11° - 16° 40%
We, 04.10. various clouds, light rain 12° - 17° 30%
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