/ Ben Nevis forecast
Metoffice says it will go down to around 2 or 3 degrees overnight in Fort William, so is it fair to assume that should cause enough of a freeze higher up for routes to be in condition during the day? yr.no is forecasting -5 to -6 every night (except Saturday night) for the summit of the Ben.
I'll be going from south England so not sure whether it's worth the gamble...
The routes high on the Ben will be totally fine this weekend. Go for it! Loads in condition.
Thanks Kevin. So am I being too paranoid? MWIS forecast of freezing levels above summits worries me...
Sounds like there may be a wee bit of a temperature inversion going on. Nothing severe though and the high North facing corries shouldn't be too affected. There is some great ice about up there at the moment by all accounts.
I have found inversions where the climbing is much above 3 degrees the ice is melting and dripping. If there is clag on the crag (ie it's humid) it will be melting at anything above 0. How much of an issue this is depends on how much you are relying on ice screws and how much above these temperatures it is.
Aonoch Mor gondola staff reporting an inversion today, -6 in carpark 0 on summit. We're climbing there tomorrow and on Ben Nevis Thursday and Friday so can report back if you like although guess you'll have made a decision by then?
cheers from sunny Glencoe
Some of the best days I've ever had on the ben were in clear skies with the summit temps of 2-3 degrees. But that was in clear sunny high pressure, quite a different story if clagy.
currently 2.3 on the top of aonach mor,
and sunny on the ben
Bet it was a great day to be on the hill!
We need to decide tonight or tomorrow morning whether to go, but thanks anyway! It would be interesting to know what conditions were like today if there was an inversion.
I'd be very surprised if they weren't excellent today I've been out on many days like today and had a great days winter climbing. Summit of Aonach Mor stayed under 2.3 C all day.
I was climbing on Aonach Beag last week and the temperature was plus 6. The snow stayed fully frozen and conditions were great.
fair enough perhaps the air was still enough to cause a freezer effect in the north(ish) faces, coupled with the wet bulb / high pressure effect kept everything good.
Tomorrow does look OK on MWIS right enough, Thursday / Friday much will depend if you are in hill fog or not I guess.
true enough, however I find gambling on the forecast is more attractive the closer to your destination you live!
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