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.

Graham Uney Mountaineering - Mountain Leader, Lowland Leader, Hill & Mountain Skills, Navigation www.grahamuneymountaineering.co.uk

General Summary for Wednesday, 22 July, 2020

British Mountain Summary: Based on forecast chart for noon 22 July, 2020 For much of the Highlands, southern Scotland and northern England, rain, drizzle and low cloud through the day, most persistent on western hills. The far north of Scotland escapes largely dry. Also generally dry with hazy sun for the southern Pennines and Wales.

Headline for Yorkshire Dales and North Pennines Rain most persistent northern areas; low cloud. Blustery wind.

Detailed Forecast for Wednesday, 22 July, 2020

How windy? (On the Southwesterly, 20 to 25mph, strongest N Pennines, often 30mph. summits)

Effect of wind on Blustery, ease of walking impeded on higher areas much of the day. In places you? suddenly gusty to the east of major summits.

How wet? Rain or drizzle on and off, most frequent north Pennines. (Precipitation and its Pulses of rain and drizzle spreading from the west, most persistent northern Pennines. impact) May amount to very little eastern dales, also southernmost areas toward Ilkley Moor and Pendle Hill.

Cloud on the hills? Forming widely around rain Some variation in extent of low cloud. Banks of cloud shrouding the hills most extensively during rain; risk forming increasingly widely across the hills, soonest northern areas.

Chance of cloud 40% free summits?

Sunshine? Fairly cloudy, glimpses of sun mostly through high cloud. Air clarity (below Visibility typically very good, but reduced around rain. cloud)

How Cold? (at 700m) 8C rising to 12C.

And in the valleys 10C or below from dawn, rising to 16 to 19C, warmest away from rain toward south and eastern Yorks Dales NP.

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Yorkshire Dales and North Pennines - Looking Ahead

Thursday 23 July Friday 24 July

How windy? (On the Some uncertainty of details in forecast: Direction likely to vary, often less than summits) West later northwesterly; 15 to 25mph. 10mph. May begin to strengthen toward dusk, southerly 20mph. Effect of wind on Fairly small, but risk often blustery on Negligible you? higher terrain.

How wet? Patchy rain, local showers, may clear Rain unlikely (Precipitation and its Remnants of previous rain may linger for a Chance of an isolated afternoon shower. Into impact) few hours, although tending to fade. A risk the night, a risk of rain spreading in from the of isolated showery bursts forming into the southwest. afternoon, but these quite hit and miss. May clear from west.

Cloud on the hills? Lifting, may be stubborn in west Mostly all clearing

Shrouding most fells from dawn and may Banks of low cloud in the morning, will tend linger much of the morning on higher to lift and break, leaving patches confined to terrain. Gradually, cloud base lifting, and higher summits, and most hills clearing into breaks forming to many higher slopes, but afternoon. patches may persist western Yorks Dales.

Chance of cloud 50% 70% free summits? Sunshine? Fairly cloudy, glimpses of sun breaking Patchwork of sun, filling in a little with Air clarity (below through. cloud. cloud) Visibility poor around rain, but becoming very good as cloud breaks. Visibility excellent.

How Cold? (at 10 to 12C; marginal change through day. 9C rising to 13C by afternoon. 700m)

And in the valleys Max 17 to 20C, warmest eastern dales. Starting at 10C or below, rising to 17 to 19C afternoon.

Planning Outlook All mountain areas of Britain from Thursday, 23 July, 2020 Areas of rain or showers during Thursday will mostly fade by Friday as a brief ridge of higher pressure extends across Britain. The next series of Atlantic weather systems move in over the weekend, with generally unsettled conditions prevailing for the remainder of July. Temperatures rising a little for a day or so, but no real summer warmth in the 10 day outlook.

Forecast issued at 14:43 on Tuesday, 21 July, 2020 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, 2020.

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