Poster: A snowHead
|
I've been looking at the meterological charts produced by the likes of the Met Office (this, for example) and was wondering if there is a typical pattern of high and low pressure systems that is most likely to bring snow to the (Western) Alps. Do storm tracks coming from the west along the North Atlantic bring snow or is it more likely that systems coming from the north or east?
|
|
|
|
|
Obviously A snowHead isn't a real person
Obviously A snowHead isn't a real person
|
One for Skanky, me thinks.
|
|
|
|
|
Well, the person's real but it's just a made up name, see?
Well, the person's real but it's just a made up name, see?
|
rob@rar, snow clouds?
|
|
|
|
|
You need to Login to know who's really who.
You need to Login to know who's really who.
|
Charlatanefc, bugger, I hadn't thought of that one! Now I know what to look for.
|
|
|
|
|
Anyway, snowHeads is much more fun if you do.
Anyway, snowHeads is much more fun if you do.
|
rob@rar, No problem. Anytime soldier
|
|
|
|
|
You'll need to Register first of course.
You'll need to Register first of course.
|
snow clouds + cold temps....
your sounding desperate for snow now rob
|
|
|
|
|
|
rob@rar, an interesting question. I think that would be worth also be worth asking on Netweather.tv forum. Like you to me it seems a large Euro High is stuck firmly in place and keeping things far too warm and dry. While Netweather is a UK based forum it would interesting to get an opinion on what to look for on the GFS charts that would be indicative of the right combination.
|
|
|
|
|
|
|
|
You'll get to see more forums and be part of the best ski club on the net.
You'll get to see more forums and be part of the best ski club on the net.
|
|
|
|
lisach, thanks for the link - I'll take a look across there.
|
|
|
|
|
snowHeads are a friendly bunch.
snowHeads are a friendly bunch.
|
also rob@rar, try this link http://www.wetterzentrale.de/topkarten/fsreaeur.html Its Archive data back to 1948 I think. Try to compare to a date when you know it snowed or didn't snow etc and see if you can spot a pattern compared to the lastest GFS charts. Good luck!
|
|
|
|
|
And love to help out and answer questions and of course, read each other's snow reports.
And love to help out and answer questions and of course, read each other's snow reports.
|
lisach, thanks, that's a useful function. I'm only just beginning to find my way around wetterzentrale - it's an amazing website.
|
|
|
|
|
|
Bryan, Not round here. It's the South Westerlies that bring our biggest snowfalls - you must be thinking of the "other" part of the alps!
On a jollier note: it's been colder for the last couple of days and there's a lot more cloud around. I did spot some high cirrus off behind Les Ecrins yesterday, which would normally mean precipitation within 24-36 hours here. Fingers and toes all neatly crossed.
|
|
|
|
|
You know it makes sense.
|
|
|
brian
brian
Guest
|
rob@rar wrote: |
Do storm tracks coming from the west along the North Atlantic bring snow or is it more likely that systems coming from the north or east? |
All 3 can bring snow (plus systems coming off the med from the South, especially if they run into cold air) but the atlantic will usually provide the most moisture. The other big factor is that you want your mountain to be the first thing in the storm's path.
|
|
|
|
|
Poster: A snowHead
|
|
|
Obviously A snowHead isn't a real person
Obviously A snowHead isn't a real person
|
Metcheck says you might get a little bit tonight and a reasonable dollop later in the week.
|
|
|
|
|
Well, the person's real but it's just a made up name, see?
Well, the person's real but it's just a made up name, see?
|
Is this a new meteorological term?
|
|
|
|
|
You need to Login to know who's really who.
You need to Login to know who's really who.
|
at 3pm there was a little snow in Les Saisies at 2000m on their webcam..... Says they are expecting a light covering by morning apparently
|
|
|
|
|
Anyway, snowHeads is much more fun if you do.
Anyway, snowHeads is much more fun if you do.
|
Once winter sets in properly, then unless you you get a serious set of warm air from the south, any precipitation at altitude should bring snow. It helps if the air's cold to get stuff down in the valleys, so a cold front is best. This could be on the leading edge of a northerly (bot due and westerly) or what's called returning polar maritime air. This latter is cold air from the Arctic that's come south across the Atlantic and then westwards or north westwards across the UK and Europe. NE can be dry, but isn't always snowless. The further south you go, the more you want SW air as it won't lose most of it's moisture across France & the Pyrennees. As long as there's cold air in the system and/or (as brian says) it meets cooler air from the N or NE.
At the moment the seas are still relatively warm, which I think is why Austria tends to do better than elsewhere earlier in winter. But the land is already cooling considerably (we've been in a warming deficit for a while), and once the seas catch up then you're really looking for any moisture that's not attached to air from N Africa.
NB There's probably a few mistakes in there, but I've found all my old Met notes so as soon as I get some free time I'll be re-reading them all which should help.
|
|
|
|
|
You'll need to Register first of course.
You'll need to Register first of course.
|
skanky, ta very much.
|
|
|
|
|
|