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East Highlands

Weather hazards over 300m on Thu 27 Apr 2017

High risk

Gales
Widespread summit gales through the morning.

Medium risk

Severe chill effect
During the morning in the gales.
Strong sunlight
Sunshine increasing through the afternoon

Low risk

Persistent extensive hill fog
Chance over northern ranges during the morning.

No risk

Blizzards
none
Heavy snow
none
Storm force winds
none
Thunderstorms
none
Heavy persistent rain
none

Thu 27 Apr 2017

Cloud thickening from the north through the early hours bringing patchy rain, this most persistent across the northern Cairngorms and falling as snow above around 1000m. During Thursday morning patchy rain and summit snow will weaken, breaking to sunshine and only a few isolated light showers for the afternoon. Again the bulk of these will fall over northern peaks with many southern ranges, such as the Perthshire hills, staying dry with the best of the developing sunshine and later clear spells.

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
Light rain Light rain Light rain Light shower day Sunny intervals Sunny intervals Clear night Clear night
Precipitation probability
60% 70% 70% 60% 20% 10% 0% 0%

Visibility

Good falling moderate in patchy rain and later showers.

Hill Fog

Becoming by morning in the north broken or blanket at 750m with patches to 450m, and in the south broken 750-900m, turning more scattered across the area from the afternoon

Max wind above 600m

Northwest mean 30 to 40 mph with gusts 55mph, easing by late afternoon 20 to 30 mph, gusting 40, then 15mph or less late evening.

Temperature

Valleys:
Plus 4 Celsius increasing to 11 Celsius during the afternoon for a time
800m:
Minus 1 Celsius
Freezing level:
900 metres

Fri 28 Apr 2017

Cloud increasing from the west during Friday morning, perhaps bringing a few light showers. Remaining rather cloudy through the morning and afternoon with only a few isolated light showers, these falling as snow above around 1000m rising to 1200m late evening.

Visibility

Good falling moderate in showers.

Hill Fog

Broken 750-900m

Max wind above 600m

North or Northwest then 15mph or less becoming Southwest during the evening

Temperature

Valleys:
Plus 04 Celsius lowering zero Celsius by dawn, increasing 11 Celsius early afternoon and falling 3 Celsius late evening
800m:
Minus 1 Celsius increasing Plus 1 Celsius late evening
Freezing level:
900m rising 1100m late evening.

Sat 29 Apr 2017

Dry and turning sunny Saturday morning, then showers developing through the afternoon, some perhaps heavy. Showers dying out for the evening. Winds gradually increasing and backing, becoming southeast strong later. Munro temperature around plus 1 Celsius.

Sun 30 Apr 2017

With winds now round to the southeast the best of the conditions will be across the Monadhliath Mountains with ranges here dry, warm and sunny. Over southern and eastern ranges staying rather cloudy with some scattered light showers. At Munro level winds strong to gale and temperatures plus 1 Celsius.

Mon 01 May 2017

Similar to Sunday with the best of the dry and bright weather in the northwest, while it stays rather cloudy with scattered drizzly showers over eastern and southern peaks. Brisk southeast winds.

Issued at: 1753 on Wed 26 Apr 2017