MOUNTAIN WEATHER INFORMATION SERVICE www.mwis.org.uk Yorkshire Dales and North Pennines
The entire Yorkshire Dales National Park and North Pennines AONB, including the Three Peaks and Cross Fell, also south to Forest of Bowland and Ilkley Moor.
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General Summary for Wednesday, 21 April, 2021
British Mountain Summary: Based on forecast chart for noon 21 April, 2021 A chilly start, but high pressure across Scotland and northern England brings a clear day with sunshine and light winds. Remnants of a front brings cloud and the odd shower to Wales, also the south Pennines in the morning; an easterly wind will be locally gusty.
Headline for Yorkshire Dales and North Pennines Dry, increasingly sunny; chilly breeze easing.
Detailed Forecast for Wednesday, 21 April, 2021
How windy? (On the East or northeasterly 15mph, locally up to 20-25mph in morning, dropping gradually to summits) 10mph.
Effect of wind on Fairly small, but chilly on higher slopes in the morning. you?
How wet? Rain unlikely (Precipitation and its A little rain possible around dawn locally in southern areas of Yorks Dales, but soon impact) clears, then dry.
Cloud on the hills? Clearing all tops Banks of cloud on some higher slopes early morning, likely to soon lift and break, leaving the fells clear.
Chance of cloud 80% becoming practically certain. free summits?
Sunshine? Patchwork of sun, becoming widely sunny. Beware sunburn. Air clarity (below Superb visibility. cloud)
How Cold? (at 700m) 0C rising to 4 or 5C by afternoon, although higher eastern Pennines only 2C.
And in the valleys Slight frost some northern valleys at dawn. Rising to 11 to 13C by afternoon, warmest in west.
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Yorkshire Dales and North Pennines - Looking Ahead
Thursday 22 April Friday 23 April
How windy? (On the Direction varied, 10mph or less. Mostly little wind. summits)
Effect of wind on Negligible Negligible you?
How wet? No rain No rain (Precipitation and its impact)
Cloud on the hills? Hills clear Hills clear
Chance of cloud Practically certain Practically certain free summits? Sunshine? Extensive strong sunshine; beware Extensive strong sunshine; beware Air clarity (below sunburn. sunburn. cloud) Superb visibility. Excellent visibility; mist some valleys just at dawn. Perhaps distant slight haze forming.
How Cold? (at 3C, rising toward 7C by afternoon. 4C rising to 9C or locally warmer by 700m) afternoon.
And in the valleys Frost in valleys and some higher slopes at Slight frost some valleys at dawn. dawn. Rising toward 15C afternoon. Reaching 15 to 18C during afternoon.
Planning Outlook All mountain areas of Britain from Thursday, 22 April, 2021 High pressure resides across Britain through into the weekend, bringing further fine spring weather and clear air. Expect valley frost at night but daytime temperatures will be higher than recent times, typically warmest in western areas, some valleys reaching 20C by the weekend. Strong sunshine, beware of sunburn and dehydration. An easterly wind for Wales, otherwise little wind. Very dry ground conditions; high fire risk. Gradual changes are likely during the final week of April as pressure tends to fall, with some rain or showers, plus cooler temperatures for a time.
Forecast issued at 15:50 on Tuesday, 20 April, 2021 Forecasts are issued daily by 16:30 and are kept under review and amended as necessary. However, expected conditions can still change after issue. © Copyright Mountain Weather Information Service, 2021.
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