☀High pressure set to build over Ireland next week with drier weather and sunshine☀
After what has been a very wet and windy start to 2020 with temperatures also colder than average for some areas over the two months there finally is some good news with high pressure looking set to build across ireland at the end of the weekend.
Before we get to the end of this weekend the weather will stay rather unsettled with the risk of heavy rain at times and even snowfall for places on Wednesday night and Thursday morning.
As the saying goes for March “March comes in like a lion, out like a lamb”
The rest of today Tuesday will remain rather dry across Ireland with good clear spell developing later this afternoon and evening across Ireland.
Early tonight it will also remain dry with the slight risk of frost in some areas with temperatures as low as 1C to 2C but later in the night or after midnight a batch of heavy showers will move in from the west of the Atlantic with some of these turning wintry over mountains in the northwest and north.
Showers will be heaviest across the west and northwest of Ireland after midnight into Thursday morning.
Wednesday afternoon will see heavy showers merging into longer spells of rain as the push west to east across ireland over the afternoon and evening. Wednesday evening will see some of these showers turn to snow across higher parts of the west and northwest and over night showers turning increasingly to snow to lower parts of Connacht and Ulster with some accumulations possible but some of these showers also falling as rain, hail and sleet too with the highest risk of snow on Wednesday night and Thursday morning across higher ground. Temperatures overnight will range between -1C to 3C.
Showers will ease for a time on Thursday morning but it will turn windy with gales along atlantic coastal areas over the morning and afternoon with wind warnings looking likely to be issued for that timeframe on Thursday. Over the afternoon there will be further showers some wintry across the northwest and north of Ireland.
Friday will see further showery rain across the southern half of Ireland but much drier weather looking possible further north especially over north Connacht, Ulster and north Leinster.
Saturday and Sunday will be gusty or windy across Ireland especially across the northern half of Ireland. Both days will see showery rain crossing west to east over the country with some of these showers heavy at times.
HIGH PRESSURE
On Sunday night into Monday morning we then look likely to see a change in the weather pattern with the jet stream been pushed to the north of Ireland and Scotland which is a good thing if you like milder weather as with the Jet stream to the north it means we will be on the milder side rather than the colder side of the jet.
The start of next week with higher pressure in charge this should bring the increasing risk of sunshine but that all depends on where the high pressure sits. If Ireland is under the higher pressure but near the edge of it that could allow some light rain or drizzle to affect atlantic coastal counties.
Early next week and midweek temperatures will be in single figures by day for many with temperatures below freezing at night with the risk of frost.
Towards the end of next week at present it shows temperatures possibly rising into the low to mid teens with good dry and sunny weather nationwide as the higher pressure strengthens.
At the end of next week and over weekend the flow and wind direction shows it will come all the way from Africa up over Europe also known as Tropical Continental Air Mass.
At the end of the Month details are still a bit sketchy but it looks like the southeast or easterly flow will continue with the current GFS model hinting at a colder easterly flow to end the Month again.
With the GFS showing this current set up it is in line with a sudden warming which currently is taken place in the Stratosphere which sometimes can cause the normal westerly pattern we see here in Ireland switch to a easterly flow or also know as zonal winds. This normally can happen within 10 to 14 days of the warming event and was the cause of the beast from the east back at the end of February and start of March 2018 and was one of the reasons I was able to forecast that event up to two weeks away.
I will keep you updated over the week and weekend on the latest so stay tuned.
Kenneth from the Donegal Weather Channel
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