What is the weather going to be like?

 

Since the dawn of time (I presume) people have been looking for ways to predict the weather. As with many things the Greeks were some of the first to write theories about it. However it wasn’t until the 15th century that we started to see the emergence of what we use today. The hygrometer (humidity), the thermometer (temperature) and the barometer (pressure) were all key in starting to understand how the patterns of weather change and how we might begin to predict them.

 

Luckily we are now blessed with computer models, satellite images, data from all over the world and people/computers who interpret all of that to give us the forecast we are used to seeing. I don’t think anyone would argue that they get it right all of the time, however with so much data and knowledge out there, we can start to build a picture of how the weather might affect our day in the mountains.

 

Below are some examples of ways that I use to help me make decisions when working in the mountains.

 

I have split it into 3 main categories:

 

-Forecasting Websites

-Weather Apps

-Live data/webcams

 

 

Forecasting Websites

 

These are most peoples go-to way of checking the weather. The information is usually set out in an easy to read format, with the ability to look a few days ahead making planning much easier. 

 

Mountain Weather Information Service (MWIS) -https://www.mwis.org.uk

MWIS provides a 3 day forecast for all of the major mountainous areas of the UK. This the forecast that you will see up in shop windows, hostels and guiding companies all over. It is easy to read and is split into useful weather factors (wind, rain temp etc.) so you can understand how each factor will affect your day. It is often a bit over dramatic but when in a potentially dangerous environment in the mountains this is justified.

 

The Met Office-https://www.metoffice.gov.uk

Met office provides a general forecast for every where in the UK as well as areas forecasts for the mountains (found in the specialist forecast section) and also individual summit forecasts. Personally I feel the mountain area forecasts have too much “stuff” going on on the page however the summit forecasts are excellent. The only problem is in Scotland you need to know and be able to spell the Gaelic name of the mountain, best to stick to the summit map at the bottom of the page. 

 

XC Weather and YR.no - https://www.xcweather.co.uk

https://www.yr.no

XC weather is run by the US government and YR is run by the Norwegian Meteorological  Institute. I find them both to be very visual and easy to interpret forecasts and I often look them up to compare them with MWIS or the Met office. They give a very specific prediction of rainfall amounts which is sometimes useful to see. 

Met Office Mountain Forecast
Met Office Summit Forecast
Met Office Summit Map

Weather Apps

 

Below are two Apps that I think are very good for the UK mountains. However the Met Office, XC weather and YR all have apps as well which can be useful to have them all on your phone for quick reference.

 

Mountain Weather UK

This a brilliant app for bringing together all the information you might need into one place. There are area forecasts taken from MWIS, specific summit forecasts as well as live data from weather stations all over the country. This is all brought neatly together in a easy to use and easy to read format. A few years ago it cost me £3 so I presume it is still the same and in my mind that was money well spent.

 

Windy - https://www.windy.com

Windy is an app as well as a website. A word of warning, it does take a little while to work out which bits are most useful to you as there are a million and one different options. However if you master it there is so much useful information that we can extract. It has an excellent interactive map which you can set to show you wind/rainfall etc. You can also zoom out to see the overall weather patterns over the continent or the world, useful for understanding why things are happening. You can also choose which computer model the map is showing which can be fascinating to see the differences. Give windy a go, if you persevere it really is an amazing resource

Windy
MWUK
MWUK
MWUK
MWUK

Live Data and Webcams

 

 

Can you beat actually seeing what is going on up the mountain? I think not. 

 

Some examples of where to find this information are below, but there are plenty more places if you start looking. Windy for example has links to local webcams when you search for a weather forecast.

 

Weathercast - http://www.weathercast.co.uk/world-weather/weather-stations.html

Weathercast links to weather stations all over the world and allows you to click on them and see what is happening in real time and what has happened over the last few days, which can be especially important in winter when thinking about avalanches. 

Holfuy - https://holfuy.com/en

Holfuy operates the weather stations on Aonach Mor (and a couple of other places), I check this whenever I am heading out around Fort William as it gives me a picture of what is happening at 900m with the wind and temperature.

 

Ski Centres - https://www.nevisrange.co.uk/webcams/

Most of the Scottish Ski centres have a number of webcams around their resorts which gives you the chance to see for yourself what is happening on the hill. Certainly a resource not to be ignored.

 

 

Summary

 

Lets not forget that the options above are not an exhaustive list. There are lots of other websites to look at as well as Newspapers, the Shipping Forecast and TV news and Weather. 

 

Making choices in the mountains is all about judgment. By being well informed about the weather and not just looking at one source makes us more likely to make the right decision. 

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