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Fierce Cold Spell from Sunday (February 1st)
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More I look at the GFS 6z charts for Thursday the more excited I get..arctic air , low pressure.., NE winds..WC knows what i'm thinking could happen for sure :P
any chance of sub zero daytime temps with snow?
its snow thaw snow thaw snow thaw here since Sunday.
If we dont get anythin proper Im just gonna have to take a spin up the mountains!0 -
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What could happen supercell ? More snow I hope
To quote BB..I hope I haven't jinxed it..but the possibility is there for an event would deliver sneachta to many places..sea level or not.
Those are nowcast events but even without that happening, I reckon more hail and snow showers are possible and given the cool source DP's won't be an issue either, could be very interesting.Have a weather station?, why not join the Ireland Weather Network - http://irelandweather.eu/
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Deleted User wrote: »Heres the precip from the ECM for 6pm thursday
No need to take the 4x4 for a spin up Croghan to see the sneachta on Thursday BB
Have a weather station?, why not join the Ireland Weather Network - http://irelandweather.eu/
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To quote BB..I hope I haven't jinxed it..but the possibility is there for an event would deliver sneachta to many places..sea level or not.
Those are nowcast events but even without that happening, I reckon more hail and snow showers are possible and given the cool source DP's won't be an issue either, could be very interesting.
Oh Im all excited now ! 0 -
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Deleted User wrote: »any chance of sub zero daytime temps with snow?
its snow thaw snow thaw snow thaw here since Sunday.
If we dont get anythin proper Im just gonna have to take a spin up the mountains!
Not really unless you are high up and have already got snow covered ground.
Air isn't near cold enough for ice days at sea level, really need a deep easterly Siberian sourced wind with temperatures over Europe around -20°C and -10°C widely over England for that to happen at sea level here, can only recall ice days twice when I was growing up in Dalkey in '82 and '87'.
You don't need to go far though, since the sleet passed this morning the temperature here dropped below freezing and hasn't gone above zero since so the constant snow and hail is just topping it all up.
A local farmer here used a scraper thing this morning to clear the roads in the estate, but there another three or four inches of snow over that since, he has given up the ghost and not tried clearing the roads again!!
Very glad i stocked up on food yesterday as a trip to the shops in my little Skoda Fabia isn't happening!!
I'd say anywhere as high as say Eniskerry probably has decent snow at this stage that's not going to melt much over the next few days.Have a weather station?, why not join the Ireland Weather Network - http://irelandweather.eu/
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It's really cold surface air advection [from a snow covered and cold Britain] and dp's at the right side of marginal combined with evaporative cooling in the heavy showers thats giving us our snow today.
It's not the 850's.
It is a highly unusual combination but one that works nonetheless.
Thursday looks like as SC said all of the above plus a polar source that gives us the essential negative dewpoints.
We've lost our polar source today [and tomorrow] so we are relying on our own cold pool and the surface air advection from Britain.
Thats why over time in the next 24hrs the environmental modification will swing that the wrong side of marginal except on high ground untill the new polar source kicks in.
At least during tomorrow it will be dry so the thaw wont be accentuated by rain 0 -
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Deleted User wrote: »It's really cold surface air advection [from a snow covered and cold Britain] and dp's at the right side of marginal combined with evaporative cooling in the heavy showers thats giving us our snow today.
It's not the 850's.
It is a highly unusual combination but one that works nonetheless.
Thursday looks like as SC said all of the above plus a polar source that gives us the essential negative dewpoints.
We've lost our polar source today [and tomorrow] so we are relying on our own cold pool and the surface air advection from Britain.
Thats why over time in the next 24hrs the environmental modification will swing that the wrong side of marginal except on high ground untill the new polar source kicks in.
At least during tomorrow it will be dry so the thaw wont be accentuated by rain
Good explanation there BB and bang on. That little low looks to keep rotating the snow into the east and south east for a while yet, snow/gruapel not really stopped all morning here, constant light graupel and snow with occasional heavier bursts. Remarkable stuff, hope it doesnt turn wet later!Have a weather station?, why not join the Ireland Weather Network - http://irelandweather.eu/
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This discussion has been closed.
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