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TG312274

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Posts posted by TG312274

  1. Snow here is like a thick drizzle but blowing around in an increasing north easterly. Still around 15cm of lying snow here, perhaps slightly more. Pavements not iced yet - there is still some give in the snow to allow for some grip. My crampons are on standby though - wore them before Christmas on the verglas-like streets of Reigate, having last used them in the Scottish Highlands a few years back. I have to say I had not expected to use them in anger again, let alone in Surrey.

    AS

    Using crampons in Surrey is certainly a bit surreal. My favourite surreal moment of this winter so far is getting a text from a friend in Horsham saying she'd seen people cross-country skiing!

  2. Brighton area is orange on the Met Office warnings map. Looking at the GFS precipitation charts (okay we all know they're a bit dodgy but what the heck) we should get a decent covering tonight, not so sure about East Sussex as a whole though. Meteox.co.uk charts show PPN edging along the south coast to possibly hit Brighton around 9pm. 2C at Shoreham Airport at 1700, but a dewpoint of 0C, and I have a little bit of altitude here as well which should help.

  3. And at the other end of the country, some impressively low readings in Hampshire at 11pm, with -8C at Middle Wallop, -5C at Farnborough... and an unofficail -9C at Stratfield Mortimer up in Berkshire by 9pm.

    Here in Yateley it's -5C too and the 7-8cm of snow cover has frozen rock solid.

    I grew up in Farnham, just down the road from Farnborough, and it does get surprisingly cold at night there when the weather conditions are right. -6 at Odiham at 23:30, and down to -8 at Middle Wallop in Hampshire (between Andover and Salisbury).

  4. Temps all over the place tonight, from -2 DgC in Burgess Hill up to + 4 DgC, 5 miles South then back down to 1 DgC in Eastbourne. Roads that have been previously gritted have had that grit washed away and the remaining slush in Mid Sussex will turn to some horrible sheet ice overnight. I would rather there was a huge snowstorm that stopped me going into work than face the ice rink, ungritted A27 tomorrow!

    That's some temperature differential! Temperatures here have gone down from +6 early this afternoon to around -2 now. Brighton and Hove City Council are getting a lot of criticism over their gritting operations, with many pavements still dangerous, and Cityclean, a private contractor, being blamed for not having full grit bins in many areas and the council being blamed for the removal of grit bins.

    http://charts.netweather.tv/gfsimages/gfs.20091222/12/18/uksnowrisk.png

    Looks like we might have some rain tomorrow morning coming in from the coast according to that? But temps and dew points are already low so I wonder if it might be a bit of a wintery mix.

  5. Hi everyone.

    Some good snowfall in East Sussex tonight. Started snowing about 8pm in Brighton after a few snow showers in the afternoon and snowed heavily for 5 hours. Spontaneous snowball fights breaking out everywhere! I'd estimate 2-3 inches has fallen here and that's pretty near ground level. I've heard conditions in Lewes and the surrounding villages are considerably worse.

  6. Slightly off topic (I did look in the Netweather Guides and so on)... but is there a website which shows reports from weather stations for the last 24 hours and current conditions? I used to know one (think it might have been an American site?) but I've forgotten the URL.

  7. Looks to me like those widespread negative anoms to our north are now beginning to shrink,still above average ssts towards NW Russia.

    Hardly mate, according to the newest maps the dark blues have spread around the bottom of Greenland which is crucial. There are also dark blue colours developing around Novaya Zemlya. Cold anomalies also developing around the 45 degree North line at 35 degree West in the mid-Atlantic.

  8. Roger that's a pretty amazing post.

    "To rturn to a more useful point, the research gives me a fairly confident result for high-latitude blocking and retrograde motion which indicates one minor attempt to set up blocking in December and a much more promising window of opportunity after mid-January. Therefore, I think the chances are good that a pattern reversal could take place at just that right moment in time when the Sun is least able to fight back by melting the snow as it managed to do several times in the later blocking episode last winter. And that's the whole key, really, getting the first snow cover to persist long enough to reinforce the second one, and so on. That's the other side of the system that I would need to have much more computer capacity to model, the feedback from the earth's surface into the lower portions of the atmosphere."

    So the snow cover has to stick around, so there can be some sort of recurring effect to bring further colder conditions?

  9. Summit interior of greenland i.e the icecap 72.6N 38.5W about 3000 meters asl

    Nuuk on the west coast of greenland 64.2° N 51.8° W

    Narsarsuaq on the sourthern tip of greenland 61.2° N 45.4° W

    station Nord North coast of greenland 81.6° N 16.6° W

    hope this helps,  :blink:

    <{POST_SNAPBACK}>

    Thanks, I didn't realise how big the place was, with Nord being 16.6W and Nuuk being 51.8W, it's massive.

    Apparently the northern tip of the Shetlands (Unst and the lighthouse at Muckle Flugga) is further north than Narsarsuaq. I learnt that from a book about the Lighthouse Family. Not the band, the Stevenson family who put up all the lighthouses in Scotland.

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