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ZONE 51

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Posts posted by ZONE 51

  1. BBC London/SE weather watched just now are still expecting a spell of snow late Wednesday before turning to rain by Thursday.

    Interesting snow-rain transition this will be! Watched the heavy snow early hours with a bright orange sky, my lampposts stayed on as they do here! i think council only turns off on some estates. Had a light covering early morning and snow showers on/off today mostly morning.

  2. Anymore surprise snow tonight?!

    Just some light snow showers around, looking at radar not much about at the moment.

    Risk of falling snow Late Wednesday as a weather system bringing mild air hits the cold, EA looking like the highest risk of seeing this happening. Not expecting anything much at this stage, although a period of snow across inland SE most likely over hills, and in EA, is possible on the front edge of the system. After that Thursday very wet weather is possible with flooding as ground is sensitive now.

    Looking ahead next week could see cold/wintry weather returning.

  3. Complete non event for us in Sussex , it has rained all day long and is still coming down , anybody know we might see even one snow flake here? Please help

    The far South is stuck under the slightly milder zone, your winds probably westerly drawing in milder air other than colder air as further north/east, dew points/surface temps higher so rain falls not snow.

    Look at the charts below from NAE for 3am

    Upper temperatures 850/1000hpa:

    13021103_2_1018.gif

    Dew points:

    13021103_2_1018.gif

    Surface Temps:

    13021103_2_1018.gif

    Next the Surface pressure, follow the lines onto the near continent and the feed of a colder southeasterly ,

    13021103_2_1018.gif

    The surface wind chart below same time:

    13021103_2_1018.gif

    ESS

  4. Precipitation charts evening updates

    NAE midnight to 6am:

    13021106_1018.gif

    GFS midnight chart

    13021100_2_1018.gif

    GFS 6am

    13021106_2_1018.gif

    GFS 12pm

    13021112_2_1018.gif

    Charts show snow around SE/EA into Monday morning with some patches/shws of sleet or snow through Monday.

    Next is Tuesday, GFS shows light snow around

    13021212_2_1018.gif

    Last, GFS Wednesday Eve

    13021318_2_1018.gif

    Shows heavy snow across Northern England but changes may occur and things shift south, this is what i expect and that bringing us into the situation of sleet/snow event, i think we keep the cold as the fronts hit so i expect snow event Wednesday before rainfall then milder with rain after that.

    Moving ahead and the milder weather only temporary with cold returning by next week, i imagine some more snow events as the cold battles to shift away!

    ESS

  5. Not expecting nothing but rain tomorrow. Nowt with being pessimistic, more realistic, but more to do with this being so marginal that any flake of snow falling from the sky (and not settling!) is a bonus.

    I just am feeling rather flat about tomorrows prospect - it's like the roller-coaster has run out of energy sad.png

    You are in a good location for the snow SR, Kent gets the lower dew points, colder continental air, all you need is the ppn and the models show that!
  6. I have created a snow map for the SE/EA the highest risk of significant snow from late afternoon Sunday, with late eve and the early hours of Monday being when the more intense snow should develop.

    post-11361-0-58991300-1360458795.png

    Pulses of heavy snow some very heavy should develop but some areas seeing lighter stuff, Kent and up through East Sussex and through the London area and further north from here potentially getting large snowfalls, i expect parts of Surrey and west Sussex to join in late Sunday with snowfall here, How far into east EA it gets i'm not to sure, i am expecting the system to slow, some areas getting many hours of snow, Kent snow starting earlier as the very cold air sweeps in from the continent.

    For most rain turning to sleet and snow, the heavy ppn helping to cool the air as the chill hits from the se.

    ESS

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