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Convective/Thunderstorm Discussion: Autumn2022

Meteorite58

Over the weekend into the early days of next week conditions look like giving potential for thunderstorms at times.

Saturday behind the cold front the atmosphere should be quite unstable over the Western half of the country and more so towards coastal counties with very cold air aloft over warm SST's giving rise to convection with heavy showers and could well see some thunderstorms and wouldn't be surprised to hear of hail falling locally. Temperatures looking very low along Atlantic coastal counties so a lot of the instability coming from the sea temperatures I would think. Could get some good pictures of Anvils in the afternoon and towards evening

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Storm 10

Loud thunder approaching Galway now

Dazler97

https://www.boards.ie/discussion/comment/119591205#Comment_119591205

Where's that

Storm 10

Biblical rain in Galway

Oneiric 3

Really amazing how those that got the big storms last month are getting them again today, while those of us who missed out last month are missing out yet again. As in the last few days of this 'unsettled spell', hardly any rain here at all. A spit here, a spot there and that's about it.

Oneiric 3

As an aside, this day last year was also very thundery.

highdef

Thunder again in longford.

highdef

Thunder again in longford. Seems to be out towards Drumlish. Almost constant thunder now.

redsteveireland

https://www.boards.ie/discussion/comment/119591266#Comment_119591266

Baile Atha an Ri

Storm 10

There was some great cloud formations before the thunder hit Galway pic of Anvils forming

20220908_162831.jpg

Oneiric 3

https://www.boards.ie/discussion/comment/119592718#Comment_119592718

I know exactly where that was taken!

Storm 10

UHG

redsteveireland

Screenshot_20220908_211640_com.huawei.himovie.overseas.jpg

Screenshot from one video

And this tends to happen for the bigger strikes.

Clearly the thunderstorm is a distraction from the return of Terminator.

lolie

https://www.boards.ie/discussion/comment/119591942#Comment_119591942

I was up on the chimney and could see the cloud top from here and hear low rumbles from it just as the Sun was about to set.

Meteorite58

https://www.boards.ie/discussion/comment/119596127#Comment_119596127

There's dedication , great shot lolie.

highdef

Looking north just before dusk in Longford yesterday evening. A thunderstorm is out of shot to the left and is moving in a south westerly direction. In view is a very rapidly developing cell heading in my general direction, in a southerly direction. As it approaches, it shows some signs of rotation and tries to drop a funnel. At the end of the video, the rotation of the cell can be seen a bit better.

Had this been earlier in the day, it could have been more than a funnel.

https://www.youtube.com/watch?v=GHxqjDFU-dA

Meteorite58

After a relatively warm day on Saturday, getting up over 20C in places, we get a warm plume of high ThetaW up over us later Sat /early Sun until later Sun night. Temps relatively high later Saturday into Sun with increasingly high Dp's probably up to 17C or so. Big warm moist frontal airmass with some embedded convection with thunderstorm potential coming in from the SW overnight Sat into Sun. If thunderstorms do occur, notwithstanding the fact that it will be a fairly messy profile with very little surface CAPE and mostly mid level CAPE and skinny at that, so from my reading they could be of the elevated type and isolated perhaps.

Will see what the charts look like tomorrow, bit of a spread yet on rainfall totals and track of fronts.

Feeling warm and humid on Sunday.

lolie

https://www.boards.ie/discussion/comment/119596315#Comment_119596315

Haha cheers, it was weather related why I was up there but not to view storms unfortunately. Although it's not a bad viewpoint.

Meteorite58

Thunderstorm potential I would think is mainly along the Western seaboard, maybe some straying inland but chance is quite low.

Meteorite58

Dan Holley in Convective Weather highlighting possibility along the SE later. ECM predicting some very heavy convective showers with some thunderstorm possibility along the S and SE later this afternoon into the evening and perhaps inland also along coastal counties?? Marginal I would think, Elevated if they do occur I reckon, interesting nonetheless.

http://www.convectiveweather.co.uk/

Day 1 Convective Outlook

VALID 06:00 UTC Sun 11 Sep 2022 - 05:59 UTC Mon 12 Sep 2022

ISSUED 08:18 UTC Sun 11 Sep 2022

ISSUED BY: Dan

A humid airmass will expand across the British Isles on Sunday and Sunday night, accompanied by pulses of showery rain spreading erratically northwards across northern and western areas in particular. Some weak instability is likely at times, and may encourage some heavier convective rainfall to develop in places. Fairly saturated profiles will tend to suppress the buoyancy of lifted parcels, however a few isolated lightning strikes cannot be ruled out. One area of interest might be SE Ireland and adjacent Celtic/Irish Sea on Sunday late afternoon and evening hours as dry mid/upper tropospheric air overspreads the northern periphery of a 16-18C 850hPa Theta-W plume. There may be an uptick in heavy convective rainfall in this area, and one or two thunderstorms may be possible - but low confidence precludes introducing any higher threat levels. Similarly, another corridor of interest may exist from Munster to northern Leinster and across to the Isle of Man in the vicinity of a 16-18C 850hPa Theta-W tongue.

[Deleted User]

Exceptionally dark in Dublin for a while there, but no sign of thunder from south suburbs.

Kutebride

Stopped raining in Meath 330pm after it started after 9am. Dark, dull. 16⁰

Kerry Climbing not impressed with Met Eiteann orange weather warning up to 3pm in SW.......... having cancelled sold out guided hike........ with warm sunny spells in Kerry when they would have started earlier.

Captain_Crash

https://www.boards.ie/discussion/comment/119603177#Comment_119603177

Noticed that myself earlier! Very ominous looking sky but nothing doing

Meteorite58

Band of rain that was expected late afternoon/ early evening over the S/ SE never really got going over land, bit out to sea all right but far less then modelled, only a few sferics, in all not a great day for models or Forecasting, Gerry Murphy mentioned after the news that the initial rain went through a lot quicker then expected and hence less rainfall so warnings taken down earlier .

Meteorite58

Huge convective showers this morning, thought I saw a flash in the present shower here in Tralee, lightning activity along the coasts

Captain_Crash

Ya wanna hear the crack of thunder just now in Sandyford! Shook the house!

pad199207

Thunder heard in Kildare

gipi

Lots of rain, some hail and one rally of thunder/flash of lightning in Drogheda about 3.30pm. Blue sky and sunshine now!

Meteorite58

Maybe some thunderstorms moving down the country overnight, chance of scattered isolated storms tomorrow, more so Northern half of the country perhaps.

Larbre34

Thunder at Lusk North Dublin there now.

sparrowcar

One loud crack of thunder in swords, same one heard in Lusk in above post. I presume.