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Greenland Express: Snow showers possible from Monday night
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George Sunsnow wrote: »Absolutely if there’s precip from a shortwave coming up from the south and cold air in place!
Lovely icy dew points coming down off lugnaquilla ,snowmageddon yum yum
Think I might spend my old age (if I make it that far) living in Wicklow. Miles of beach to my front, mountains at my back. Not sure about the people, but sure I'd have to put with them. :PNew Moon
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sryanbruen wrote: »Correct it did, that was the only day of 2014 I received any snow. I remember the day well as I was doing PE in school then it started to snow which cancelled it. Here's a picture of Dublin on that day:
Nice accumulations in that photo
Looking at hourly reports for that day, Dublin Airport reported rain, sleet and hail, with two light snow showers that night, while Casement reported rain, with two reports of snow in the late afternoon. No accumulations at either station.
To me, that is not what I would call a snow event. Rain and sleet turning to brief wet snow that doesn't accumulate is more a nuisance than something to look forward to. That's not what I'm talking about when I say 516 dam, etc.0 -
Interested in how the sea ice flow limit is brought so far out of the Labrador Sea and off Greenland by the very strong winds forecast to whip down from there from around Sunday. Wondering if this could help to keep air temps down a fraction more or perhaps it would be considered negligible. The sea state created by the winds would probably cancel out any extra cooling from any ice brought offshore in the sea and probably too short a time span also?
850 hPa wind
Huge seas developing next week also.
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nacho libre wrote: »I must say i miss those winter nights too, the flash lightning way off in distance after a hefty shower. Winter 2009 was a stand out year too, as i saw thunder snow and lighting for the first time. It was an incredible sight.
December 2011 is the last decent spell of real unstable polar westerlies we had, plenty of thundery hail squalls all through the first half of the month and a few nice storms to boot.
Synoptics not too dissimilar to the upcoming spell as it happens though far more intense..
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Ironically, it is probably easier to get snow falling in March from this set up than in January due to the fact that cooler air masses tend to be drier at that time of year.
Just to illustrate this, this graph shows the 7 day running mean relative humidity (Rh)values for the 'IMT' region* for the Jan - Mar period for the since 2007.
A clear downward trend becomes apparent from mid to late Feb. How this would correlate with Td values I don't know, as we tend to see a small rise in daily temps from about this period also. Will work this out sometime.
Data from Met Éireann / Ogimet.
* based on an 11 station mean.New Moon
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Just to illustrate this, this graph shows the 7 day running mean relative humidity (Rh)values for the 'IMT' region* for the Jan - Mar period for the since 2007.
A clear downward trend becomes apparent from mid to late Feb. How this would correlate with Td values I don't know, as we tend to see a small rise in daily temps from about this period also. Will work this out sometime.
Data from Met Éireann / Ogimet.
* based on an 11 station mean.
I would hazard a guess it's due to SST's hitting their lowest point late winter. Less evaporation = lower humidity = lower dps
Temp rise could correlate with less evaporation/humidity = less cloud (at a time of year when sun is getting stronger)0 -
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Ironically, it is probably easier to get snow falling in March from this set up than in January due to the fact that cooler air masses tend to be drier at that time of year.
Can't remember that particular event at all, so it must have been a non-event for here.
That was a horrible spell of weather for me with nearly 30mm of rain on the 22nd along with a maximum of just 4.6c under all that rain. That's all I remember from it apart from some mentioning snow showers, such as the BBC:
Photography site - https://www.sryanbruenphoto.com/
Weather photo portfolio - https://sryanbruen.myportfolio.com/weather-1
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Gaoth Laidir wrote: »Nice accumulations in that photo
Looking at hourly reports for that day, Dublin Airport reported rain, sleet and hail, with two light snow showers that night, while Casement reported rain, with two reports of snow in the late afternoon. No accumulations at either station.
To me, that is not what I would call a snow event. Rain and sleet turning to brief wet snow that doesn't accumulate is more a nuisance than something to look forward to. That's not what I'm talking about when I say 516 dam, etc.
Yeah, it's far from a snow event :P, just a few showers and flakes.Photography site - https://www.sryanbruenphoto.com/
Weather photo portfolio - https://sryanbruen.myportfolio.com/weather-1
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Elmer Blooker wrote: »The low keeps getting pushed north with every run.
I keep saying over and over that we have to get rid of that Azores. The ECM also has it further north. Disappointing charts this morning.
It’s all falling apart. I knew it was to good to be true. I think I’ll go to Dublin for the few days so. Was going to postpone so as not to miss out but this is increasingly looking like a non event in snow terms.0 -
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Captain Snow wrote: »AWESOME:)
Just a word of caution on gfs snow maps,they have difficulty with terrain,so if somewhere has a hill,they give the hills weather to the low ground aswell
Also they have snow turning to sleet in those showers as they hit the opposite coast which simply does not make sense in a land breeze
I’ll also add the rain that turns to snow as it goes out to sea as also unlikely
So don’t take those for the Nirvana they suggest
Should be plenty snow in a lot of the showers though away from west coasts but even there,there will be snow
Another observation- Gonzo often mentions the difficulty these things have in moving too Far East
That’s because they don’t like moving into cold dryer air,it kills precip
This is a fast flow,a very fast flow with a long sea fetch,1000’s upon top of 1000’s km’s of temp contrast sea fetch which will make massive beefy thunder showers so I think Gonzo and even the Dublin area might have a pleasant surprise at times
Somewhere in between with the ecm maybe0 -
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George Sunsnow wrote: »Just a word of caution on gfs snow maps,they have difficulty with terrain,so if somewhere has a hill,they give the hills weather to the low ground aswell
Also they have snow turning to sleet in those showers as they hit the opposite coast which simply does not make sense in a land breeze
I’ll also add the rain that turns to snow as it goes out to sea as also unlikely
So don’t take those for the Nirvana they suggest
Should be plenty snow in a lot of the showers though away from west coasts but even there,there will be snow
Another observation- Gonzo often mentions the difficulty these things have in moving too Far East
That’s because they don’t like moving into cold dryer air,it kills precip
This is a fast flow,a very fast flow with a long sea fetch,1000’s upon top of 1000’s km’s of temp contrast sea fetch which will make massive beefy thunder showers so I think Gonzo and even the Dublin area might have a pleasant surprise at times
Somewhere in between with the ecm maybe
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redsteveireland wrote: »I always approach a snow forecast with caution but can't help but get somewhat excited about the prospects for next week.
Reminds me of a good winter Dar.man thread
Good thing we don't have someone like yer man Su Campu around anymore who used to poopoo on those old Darkman2 threads.
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This discussion has been closed.
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