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West Highlands

Weather hazards over 300m on Fri 27 Mar 2015

High risk

Gales
Developing into the afternoon
Severe chill effect
Gales and sub-zero temperatures combining

Medium risk

Storm force winds
Gale force winds developing with severe buffeting across exposed ridges and summits

Low risk

Blizzards
Snow showers combined with strong to gale force winds
Heavy snow
Occasionally heavy showers, although overall totals below threshold
Thunderstorms
Throughout the day

No risk

Persistent extensive hill fog
none
Heavy persistent rain
none
Strong sunlight
none

Fri 27 Mar 2015

Isolated wintry showers overnight with a widespread frost. This will soon lift, leaving Friday with some bright or sunny intervals and occasional showers. The showers will become more scattered during the morning, falling as snow above 350 metres. Later in the afternoon the showers will turn more prolonged for a time as the snow level temporary rises to 600 metres. Into the evening the showers will become confined to the Argyll and Lochaber hills. Gale force winds giving severe buffeting across exposed ridges and summits.

Time
0000 to 0300 0300 to 0600 0600 to 0900 0900 to 1200 1200 to 1500 1500 to 1800 1800 to 2100 2100 to 2400
Weather
Partly cloudy night Partly cloudy night Light snow shower day Light snow shower day Light snow shower day Sleet shower day Sleet shower night Light snow shower night
Precipitation probability
10% 10% 30% 50% 50% 30% 10% 10%

Visibility

Generally good out with showers but falling poor or very poor in the showers.

Hill Fog

Occasional patches at 550 metres.

Max wind above 600m

West or Southwest 25-30 mph, increasing during the day 40-45 mph gusting 60 mph.

Temperature

Valleys:
Minus 1 Celsius rising to Plus 7 Celsius.
800m:
Minus 2 Celsius.
Freezing level:
750 metres

Issued at: 1636 on Thu 26 Mar 2015

Sat 28 Mar 2015

Cloud and rain spreading in overnight, preceded by snow on higher ground. The rain, heavy at times, will continue at first on Saturday before clearing all ranges by the afternoon. It will brighten up for the afternoon with sunnier spells but also scattered showers, wintry on the higher hills. The showers will die out later in the day as further rain arrives by late evening. Storm force winds giving severe buffeting across exposed ridges and summits.

Visibility

Moderate or poor during the morning becoming generally good from the afternoon onwards.

Hill Fog

Overcast at 760 metres occasionally lowering to 460 metres. Becoming patches at 550 metres for the afternoon.

Max wind above 600m

Southwest veering West 50-60 mph, gusting 80 mph

Temperature

Valleys:
Plus 1 Celsius rising to plus 8 Celsius
800m:
Plus 3 Celsius lowering to minis 1 Celsius
Freezing level:
1100 metres lowering to 850 metres

Issued at: 1636 on Thu 26 Mar 2015

Sun 29 Mar 2015

Overnight rain clearing during the morning as it turns brighter with showers. The showers will be heavy at times and turning wintry, with lying snow on the hills. Winds will be strong to gale force.

Issued at: 1636 on Thu 26 Mar 2015

Mon 30 Mar 2015

Showers will ease off for a time during the middle part of the day on Monday as we see more in the way of cloud. Otherwise it will be bright with scattered showers, again heavy at times and wintry with lying snow on the hills. Strong to gale force winds will ease slightly.

Issued at: 1636 on Thu 26 Mar 2015

Tue 31 Mar 2015

A day of blustery showers and sunnier spells. The showers will be heavy at times and wintry with lying snow. Winds increasing again, strong to gale force.

Issued at: 1636 on Thu 26 Mar 2015