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Scotland/Alba weather discussion - Autumn 2020 onwards


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Good to see some areas getting a bit of a top up today - while this was sort of on the radar (to pardon the pun, especially given the amount of false echoes I saw nearby to start with) it wasn't reall

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Posted
  • Location: Fife
  • Weather Preferences: Subzero
  • Location: Fife
    2 hours ago, Mr Frost said:

     

    3. Later you stay up/earlier wake up - more chance you have of seeing falling/lying snowfall (before it turns to sleet/rain) - higher ground favoured of course as per current Met Office warnings. 

     

    Hmm.....pondering whether to stay up for a headtorch walk or risk getting up super early to do the same. Might have to do the former, as walking through sopping wet snow as it turns to rain is the absolute pits!

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    Could someone be kind enough to explain the relationship between dewpoint,temp and snow please? I understand pretty well other concepts like the ensembles, synoptics, el/la nina/nine, SSW,MJO,NAO etc. I just cant seem to get my head round it. It's like a block (no pun intended lol).  I've tried google and things but like I said it's like a total block on the concept for me.  Thanks so much if anyone can help.

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    Posted
  • Location: Ellon 70m
  • Weather Preferences: SNAW
  • Location: Ellon 70m

    Everything here is still frozen and the council have been up our little lane and gritted it.. apparently that never normally happens... so rain it will be, suspect the grit is to stop the rain freezing when it hits the frozen road surface...

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    Posted
  • Location: Kirkcaldy, Fife, Scotland 20m ASL
  • Weather Preferences: Snow, Thunderstorms
  • Location: Kirkcaldy, Fife, Scotland 20m ASL
    23 minutes ago, jmp223420 said:

    Could someone be kind enough to explain the relationship between dewpoint,temp and snow please? I understand pretty well other concepts like the ensembles, synoptics, el/la nina/nine, SSW,MJO,NAO etc. I just cant seem to get my head round it. It's like a block (no pun intended lol).  I've tried google and things but like I said it's like a total block on the concept for me.  Thanks so much if anyone can help.

    I’ll try a basic explanation. Usually 850 hpa temps -5 will start to turn the precip wintry (sleet at lower levels wet snow in heavier bursts and can be snow higher up) -8 850hpa usually the go to for snow even to lower levels and of course anything below that is even better snow insurance so to speak (BFTE was around -16 which is at the extreme end) but the key is the dewpoint  as I mentioned I always say my rhyme to remind me not to get my hopes up unless it is below that “if it ain’t zero or below you ain’t getting snow” that’s likely to be the main issue overnight and tomorrow along with the 850 hpa going from around -4 to -2 😬

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    Posted
  • Location: Currie, SW Edinburgh, 140m (459ft) asl
  • Location: Currie, SW Edinburgh, 140m (459ft) asl
    29 minutes ago, jmp223420 said:

    Could someone be kind enough to explain the relationship between dewpoint,temp and snow please? I understand pretty well other concepts like the ensembles, synoptics, el/la nina/nine, SSW,MJO,NAO etc. I just cant seem to get my head round it. It's like a block (no pun intended lol).  I've tried google and things but like I said it's like a total block on the concept for me.  Thanks so much if anyone can help.

    Hope this helps

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    Posted
  • Location: Dundee
  • Weather Preferences: Snow, thunderstorms, gales. All extremes except humidity.
  • Location: Dundee
    33 minutes ago, jmp223420 said:

    Could someone be kind enough to explain the relationship between dewpoint,temp and snow please? I understand pretty well other concepts like the ensembles, synoptics, el/la nina/nine, SSW,MJO,NAO etc. I just cant seem to get my head round it. It's like a block (no pun intended lol).  I've tried google and things but like I said it's like a total block on the concept for me.  Thanks so much if anyone can help.

    Here is a link to Pauls explanation of dewpoint in the learning area. Hope that helps a bit. https://www.netweather.tv/forum/learning/basics/dewpoint-r81/?do=getNewComment&d=1&id=81
    There are many other subjects in the learning area that may also be of use. Our expert on wet bulb and its importance for snow to fall in the Regional thread is @Hawsey 

    edit. See that I was beaten to it. There are very helpful people in this thread.

    Edited by Norrance
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    Posted
  • Location: Kirkcaldy, Fife, Scotland 20m ASL
  • Weather Preferences: Snow, Thunderstorms
  • Location: Kirkcaldy, Fife, Scotland 20m ASL

    We will see, I'm no buying it til / if my dew point is at or below zero 🤣😁

     

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    Posted
  • Location: Currie, SW Edinburgh, 140m (459ft) asl
  • Location: Currie, SW Edinburgh, 140m (459ft) asl

    Bitterly cold day with temp staying around 1c! Snowfall is hanging on and in most places is still frozen solid. Shame it won't last but great to see!

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    Posted
  • Location: Carryduff, County Down 420ft ASL
  • Location: Carryduff, County Down 420ft ASL
    10 minutes ago, Kirkcaldy Weather said:

    We will see, I'm no buying it til / if my dew point is at or below zero 🤣😁

     

    "Milder air returns from the east"

    You have to laugh or you would cry otherwise!

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    Posted
  • Location: Ellon 70m
  • Weather Preferences: SNAW
  • Location: Ellon 70m
    14 minutes ago, Kirkcaldy Weather said:

    We will see, I'm no buying it til / if my dew point is at or below zero 🤣😁

     

    Milder from the east.... 😂😂😂😡😡😡 @mountain shadow beat me to it..😂😂

    Edited by Mair Snaw
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    Posted
  • Location: Currie, SW Edinburgh, 140m (459ft) asl
  • Location: Currie, SW Edinburgh, 140m (459ft) asl

    I get the impression that further west might be best overnight! For us east coasters it looks like it could be a pretty quick transition to pish! Lovely rain warning for early tomorrow onwards just to completely kill my early winter buzz 🤣

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    Posted
  • Location: Nr Sauchen, Aberdeenshire, 100m ASL
  • Location: Nr Sauchen, Aberdeenshire, 100m ASL

    Temperature plunging just now, already -3.3c a drop of over 2c in a hour.  Overnight low is going to be interesting before the milder crud arrives.

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    Posted
  • Location: Straiton 145m asl
  • Location: Straiton 145m asl

    It’s a sign of the modern day climate when the forecast says snow turning to rain as it becomes milder from the east!!

    I’m too used to it becoming milder from the SW 🤣

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    Posted
  • Location: Ellon 70m
  • Weather Preferences: SNAW
  • Location: Ellon 70m

    Already -2c here and the BBC had my overnight low as 1c so fingers crossed it might be white for a while and enough to take kids out in it before bed time..🤞🤞🤞

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    Posted
  • Location: Currie, SW Edinburgh, 140m (459ft) asl
  • Location: Currie, SW Edinburgh, 140m (459ft) asl

    Every winter she does it! Without fail 🤣😂 Jumps in the car without clearing the windscreen, turns on the iced up wipers and boof! Rubber stripped and connector broken! Given the weather forecast for tomorrow morning there's no choice except an evening trip to Halfords to pay through the nose for something that I could get online for less than half the price!   🤬🤬

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    Posted
  • Location: Lochgelly - Highest town in Fife at 150m ASL.
  • Weather Preferences: Snow and cold. Enjoy all extremes though.
  • Location: Lochgelly - Highest town in Fife at 150m ASL.
    42 minutes ago, 101_North said:

    Every winter she does it! Without fail 🤣😂 Jumps in the car without clearing the windscreen, turns on the iced up wipers and boof! Rubber stripped and connector broken! Given the weather forecast for tomorrow morning there's no choice except an evening trip to Halfords to pay through the nose for something that I could get online for less than half the price!   🤬🤬

    Personally speaking...I've NEVER done that!!!🙄   😁   (must be a woman thing?)  Here's a man thing for all you 'perfect' men out there!😉

     

    Edited by Blitzen
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    Posted
  • Location: Currie, SW Edinburgh, 140m (459ft) asl
  • Location: Currie, SW Edinburgh, 140m (459ft) asl
    1 minute ago, Blitzen said:

    Personally speaking...I've NEVER done that!!!🙄   😁   (must be a woman thing?)  Here's a man thing for all you 'perfect men out there!😉

     

    😂🤣

     

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    Posted
  • Location: Lochgelly - Highest town in Fife at 150m ASL.
  • Weather Preferences: Snow and cold. Enjoy all extremes though.
  • Location: Lochgelly - Highest town in Fife at 150m ASL.

     -1c temp.     -1.2cDP     Pressure 983mb

    Edited by Blitzen
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    Posted
  • Location: Tullynessle/Inverurie
  • Weather Preferences: Cold and snowy or warm and dry
  • Location: Tullynessle/Inverurie

    According to the chap up the road's weather station it's currently - 3.1C outside with a dewpoint of - 3.9C. It got above freezing for a bit early afternoon but there's little sign of that in my garden as the frost when I got home was thicker than when I left this morning. 

    The drive to and from work yielded temps of -4 to -5C widely, with even Westhill being -3C around 9am. First time this year I've had to scrape the car again before driving home, and plenty of other evidence of persistent frost there too. 

    Despite all of that I suspect it will be more of a rain event for me tomorrow. Even with my height any snow is looking very short lived. If I stay up all night looking out the window I would probably see snow, but since I like my sleep too much I'm expecting to wake up to rain, or a sleety mess. 

     

    Edited by Ravelin
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