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Convective/Thunderstorm Discussion : Spring/Summer 2020

DOCARCH

Just starting new thread for the season(s). Nothing to report!

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Mortelaro

This one is a giant already and still rising over Croghan mountain 8 kms west of Arklow

Humberto Salazar

Damp cloudy and rather cool in CO Offaly. Complete opposite of yesterday. Will be amazed if we see sparks here today. We didn't yesterday with the supposed right conditions. Luck of the draw.

RobertKK

Mortelaro wrote: »

This one is a giant already and still rising over Croghan mountain 8 kms west of Arklow

Loving the pictures, I have high hopes the dry spells ends today for me.

Little snowy old me

Cool, damp day in West Dublin. Low gloomy sky. Certainly not conduscive to thunderstorms. No sign of sun breaking through, in fact it has gotten even more greyer in the last hour. Ah well, the once in a year opportunity for a decent storm has been lost.

Spencer Brown

Little snowy old me wrote: »

Cool, damp day in West Dublin. Low gloomy sky. Certainly not conduscive to thunderstorms. No sign of sun breaking through, in fact it has gotten even more greyer in the last hour. Ah well, the once in a year opportunity for a decent storm has been lost.

Relentless :pac: career contrarian.

Mortelaro

RobertKK wrote: »

Loving the pictures, I have high hopes the dry spells ends today for me.

They're developing a lot closer to me in SE Wicklow today
This ones over Croghan mountain

Mortelaro

https://twitter.com/Arklowweather/status/1272843863523237888?s=19

lolie

A few screegrabs from early yesterday evening, get them out of the way before todays action.

Gaoth Laidir

This is the sounding from Aberporth, west Wales, at 06Z this morning, advecting this way. Shows that, regardless of orographic lift, a surface temperature of around 20 degrees will be enough let hell break loose. A pretty wide CAPE profile also means strong updrafts and overshooting tops. Watch for hail in the bigger showers.

DOCARCH

Gaoth Laidir wrote: »

Shows that, regardless of orographic lift, a surface temperature of high teens will be enough let hell break loose.

Encouraging when GL is on the ramp!

Kermit.de.frog

Mortelaro wrote: »

https://twitter.com/Arklowweather/status/1272843863523237888?s=19

First sferic now over west Wicklow. First lightning from that.

pad199207

Distant thunder in Kildare. Set off the pheasants

No matter how low the rumble is the pheasants always hear it

ZX7R

DOCARCH wrote: »

Encouraging when GL is on the ramp!

And posting graphs of weather porn ha

PukkaStukka

The sea long the coast here in north county Dublin is feeding in endless amounts of dull and gloom. Unless there's a miracle, I can't see anything kicking off here at all.

ZX7R

Strikes showing up on the radar over the Wicklow mountains

Kermit.de.frog

PukkaStukka wrote: »

The sea long the coast here in north county Dublin is feeding in endless amounts of dull and gloom. Unless there's a miracle, I can't see anything kicking off here at all.

Don't worry! A miracle is imminent

TheMilkyPirate

Some nice convection bubbling over north Wexford.

Screenshot-2020-06-16-12-14-31-560-com-miui-gallery.jpg

Gonzo

Kermit.de.frog wrote: »

Don't worry! A miracle is imminent

we need a miracle to shift this damp grey cloud. Hopefully it will burn off within the next hour and temperatures can lift with hopefully some sunshine.

Gaoth Laidir

Of the airports, only Waterford mentions thunderstorms in the TAF. Casement just moderate showers. THere's a big difference in CAPE values between Casement (~800) and Dublin Airport (0) this afternoon. All activity should be from Kildare-ish south.

Waterford TAF, mentioning chance of thunderstorms with hail between 1 and 5 pm.

TAF EIWF 161100Z 1612/1621 01008KT 9999 SCT018
BECMG 1612/1614 14007KT
TEMPO 1612/1617 4000 SHRA BKN012 SCT018CB
PROB40 TEMPO 1612/1616 2500 TSRAGS
BECMG 1614/1616 19006KT
BECMG 1616/1618 31006KT
TEMPO 1617/1621 -SHRA SCT018CB
BECMG 1619/1621 35008KT=

Darwin

The visible satellite tells a picture (https://www.met.ie/latest-reports/satellites/ireland-visible). The cloud proving very stubborn to shift. The storm formation over Wicklow/Kildare is quite evident.

Little snowy old me

Kermit.de.frog wrote: »

Don't worry! A miracle is imminent

Doubt it. By the time this cloud lifts, it will be to late to get the sunshine to lift the temperatures sufficiently. Flogging a dead horse at this stage. Not being intentionally pessimistic, I'm being realistic. I'm as disappointed with no thunderstorms as everyone else is.

pad199207

Little snowy old me wrote: »

Doubt it. By the time this cloud lifts, it will be to late to get the sunshine to lift the temperatures sufficiently. Flogging a dead horse at this stage. Not being intentionally pessimistic, I'm being realistic. I'm as disappointed with no thunderstorms as everyone else is.

Ffs it’s only 30mins after midday

highdef

pad199207 wrote: »

Ffs it’s only 30mins after midday

And still almost an hour till solar noon. The clearance along the east coast looks pretty much imminent.

Gaoth Laidir

Cloudtops over Wicklow now falling below -40 °C. Lightning on the way...

Mortelaro

Gaoth Laidir wrote: »

Cloudtops over Wicklow now falling below -40 °C. Lightning on the way...

Photo doesnt do it justice
This is just 5 miles west of me

nacho libre

So today looks to be the last day for thunderstorms this week. Areas that still need rain should see it at some point during the next seven days.

PukkaStukka

Meanwhile, across the pond....

https://twitter.com/northyorkswx/status/1272858008234659841?s=19

Danno

Overcast with lifted fog in Durrow since daybreak. Just approaching 17.0°c and a dewpoint of 14.2°c in a very light NNW drift - 2.3mph gusting 5mph. Muggy and mild, air is like soup.

Davaeo09

Was thinking it feels allot cooler compared to this morning in Kilkenny. No science to back it up.

Just wanna say thanks for everyone of the experts on here, you always make these events a bit special for weather heads like us

eagerv

Cumulus starting to develop rapidly in west Co Wexford.

Am I the only one who gets a bit of a headache when this happens?