Heavy Rain, localised flooding possible Fri into Sat, October 3rd & 4th

Iancar29 · 01-10-2014 6:03pm #1

A deep through from strong low pressure over Iceland on Friday will make its way over Ireland bringing the potential for heavy rain to nearly all places , clearing off slowly Saturday morning to lesser showers.

Still some uncertainty in the areas most at risk so ill keep it as a general country-wide risk atm.

Some interesting weather at last folks!!

Harry Palmr · 01-10-2014 7:18pm

Ah feck off Autumn

Bejubby · 01-10-2014 8:05pm

How many mm roughly are we looking at Ian?,supposed to have an outdoor event saturday afternoon /night.

M.T. Cranium · 01-10-2014 8:20pm

Would say maximum rainfalls in the southeast could be 30-40 mm. Most of that would be mid-afternoon Friday into Saturday morning.

pad199207 · 01-10-2014 8:24pm

App is predicting over 50mm for Co. Kildare

delw · 01-10-2014 11:47pm

Harry Palmr wrote: »

Ah feck off Autumn

Yeah feck off roll on winter

piuswal · 02-10-2014 12:51am

Iancar29 wrote: »

A deep through from strong low pressure over Iceland on Friday will make its way over Ireland bringing the potential for heavy rain to nearly all places , clearing off slowly Saturday morning to lesser showers.

Still some uncertainty in the areas most at risk so ill keep it as a general country-wide risk atm.

Some interesting weather at last folks!!

Who is issuing the Level 1 Alert?

Reckless Abandonment · 02-10-2014 7:36am

Kind of looking forward to a bit of rain and wind. It's been such a good summer/autum it can do what it wants for the winter (a few weeks of snow and it will be a year to remember)

piuswal · 02-10-2014 11:08am

M.T. Cranium wrote: »

Would say maximum rainfalls in the southeast could be 30-40 mm. Most of that would be mid-afternoon Friday into Saturday morning.

Where is the Level 1 Alert coming from?

Tom Cruises Left Nut · 02-10-2014 12:22pm

piuswal wrote: »

Where is the Level 1 Alert coming from?

Boards

Video · 02-10-2014 2:15pm

I assume october will be a total washout then? given the charts i wouldn't rule it out

Oscar Bravo · 02-10-2014 2:40pm

A gust of 40kts at Belmullet on the 1400 reports. its been a while!

Supercell · 02-10-2014 3:20pm

Finally a bit of interesting weather, the apples are picked , the spring cabbage is sown and I've got my winter supply of logs for the stove. Let have at it!

leahyl · 02-10-2014 4:19pm

Why am I so excited about a bit of rain?! :P

MrFrisp · 02-10-2014 5:11pm

leahyl wrote: »

Why am I so excited about a bit of rain?! :P

Because it's a change from the lovely, but boring weather we have had for the last few months?

.

Oscar Bravo · 02-10-2014 6:57pm

Yellow wind warning for connaught and donegal. Gusts up to 100km per hour

piuswal · 02-10-2014 9:26pm

Liam Neesons Ballbag wrote: »

Boards

Where do Boards get it from?

FROM FORUM CONTRIBUTORS AND WEATHER CHARTS

How many levels are there?

3

What are the criteria for each level?

PRETTY MUCH THE SAME AS MET EIREANN

What are the time lines for the warnings?

SAYS FRIDAY INTO SATURDAY

Are there warnings for other weather parameters, uh as snow or wind etc?

SAME LEVELS ARE USED FOR ALL WEATHER TYPES BE IT RAIN, WIND OR SNOW

How do they equate with the European Meteoalarm system?

USUALLY IN LINE BUT THIS IS'NT A STATE BOARD SO THEY DIFFER SOMETIMES

fleet_admiral · 02-10-2014 9:41pm

Oscar Bravo wrote: »

Yellow wind warning for connaught and donegal. Gusts up to 100km per hour

Thank God its not a warning for yellow snow

Lumi · 02-10-2014 9:52pm

piuswal wrote: »

Where do Boards get it from?

How many levels are there?

What are the criteria for each level?

What are the time lines for the warnings?

Are there warnings for other weather parameters, uh as snow or wind etc?

How do they equate with the European Meteoalarm system?

The OP set the warning level for this thread.
The amateur forecasters on the forum follow the same criterion as Met Eireann/MeteoAlarm - you can read up all of the details regarding parameters etc by following the link
This is a Discussion Board and not an official weather warning provider - we just use the warning levels to highlight a potentially significant event

Mod Note
Lets get back on topic now please - the thread is for discussing the impending spell of wind and rain and not for debating warning levels

Rikand · 02-10-2014 10:21pm

Video wrote: »

I assume october will be a total washout then? given the charts i wouldn't rule it out

Be a few random storms but apart from that it will be grand

Iancar29 · 02-10-2014 10:26pm

Looks like the SE will get the most of the rain but could escape the worst as a cut off low tries to form in the Irish sea.

Alot of strong deep and low level shear accompanied with the cold front . Some strong helicity values could produce some funnels / perhaps a weak tornado in places. So keep an eye out folks!!

SMJSF · 03-10-2014 12:30am

yes!!!! a bit of good Irish weather.... this night heat is driving me bezerk!

uck51js9zml2yt · 03-10-2014 12:44am

I need it dry in Dublin between 12 - 230 pm Fri. What's my chances?

Supercell · 03-10-2014 5:45am

Unbelievable 17.3C here at 05:44, some of the windward slopes of the Wicklow mountains should get huge rainfall totals out of a warm airmass like this.

JJJJNR · 03-10-2014 6:32am

Supercell wrote: »

Unbelievable 17.3C here at 05:44, some of the windward slopes of the Wicklow mountains should get huge rainfall totals out of a warm airmass like this.

I'm with you on the temp, wore a t-shirt to the train station and was sweating by the time I got there 10 min walk!!

highdef · 03-10-2014 8:45am

I was getting 18, touching 19 in the car heading down the Naas Road from the M50 a bit earlier again than you, Supercell.

In other news, a possible narrow squall line like feature has developed over the midlands and looks like it will hit the Dublin region shortly, if it can hold itself together.

Larbre34 · 03-10-2014 8:57am

The squall just hit D15 there now, 10 minute torrent,ending summer with a bang. Temp already falling away from 17c. May not see that again until March!

average_runner · 03-10-2014 9:01am

We had 6 degrees yesterday morning and 17 today!! Crazy

MrFrisp · 03-10-2014 9:11am

17.2 here in Cork for now.

Bit of drizzle here and there, but the ground is barely wet.

Was expecting a lot more to be honest.

Is there more on the way?
.

highdef · 03-10-2014 9:12am

average_runner wrote: »

We had 6 degrees yesterday morning and 17 today!! Crazy

That's actually not unusual at all, especially around this time of year. 11c difference between what is probably the minimum on one day and the possible high the following day is a fairly common occurrence.

Now if you had said something like it was 1C yesterday morning and 23c in the afternoon, then that would be a bit more significant and unusual

eigrod · 03-10-2014 9:13am

All forecasts seem to suggest that the Sth East and East are going to get the heaviest rain, yet looking at the radar it seems to be moving towards the Nth East/East with a 'tail' that might hit the Sth East. Am I mis-interpreting the radar ?

leahyl · 03-10-2014 9:29am

MrFrisp wrote: »

17.2 here in Cork for now.

Bit of drizzle here and there, but the ground is barely wet.

Was expecting a lot more to be honest.

Is there more on the way?
.

More on the way this afternoon

MrFrisp · 03-10-2014 9:32am

leahyl wrote: »

More on the way this afternoon

Fantastic.

Looking forward to it.

Thank you.
.

northgirl · 03-10-2014 12:22pm

leahyl wrote: »

More on the way this afternoon

feels like being in a car wash here at the moment

Red Nissan · 03-10-2014 1:43pm

Well that was a nice shower. Quite brief but heavy.

I've 10mm in the jar, WS says 11.7mm and a 32mm/hr @12:23

Nice heave but not monsoon like. :cool:

MrFrisp · 03-10-2014 1:43pm

northgirl wrote: »

feels like being in a car wash here at the moment

Hope the windows are closed?

.

Jpmarn · 03-10-2014 2:08pm

Not that much rain has fallen in my vinicity near Limerick City. Could be in for some heavy outbreaks this afternoon.

piuswal · 03-10-2014 3:11pm

Lumi wrote: »

The OP set the warning level for this thread.
The amateur forecasters on the forum follow the same criterion as Met Eireann/MeteoAlarm - you can read up all of the details regarding parameters etc by following the link
This is a Discussion Board and not an official weather warning provider - we just use the warning levels to highlight a potentially significant event

Mod Note
Lets get back on topic now please - the thread is for discussing the impending spell of wind and rain and not for debating warning levels

With all due respect Moderator I was not debating warning levels I was simply trying to understand them. Users need to understand what is being presented or it is of little use.

Is there a thread where these Warning Levels originated within Boards?

A line by line response to my queries above would suggest some differences with "official" warnings which you say is the case and the last thing that is needed is conflicting "warnings" particularly in severe weather conditions, albeit to a limited audience.

Surely we do not want this to escalate into a situation whereby different information outlets are issuing different alerts and only confusing the public at large.

There is at least one case, quite some time back - not sure whether I could find it or not - whereby a media outlet gave a different track for a TS coming onshore in one of the US Gulf States, to what the NWS was giving. The end result was chaos.

There was a clear Mod instruction to stay on topic - you chose to ignore that. Don't post in this thread again please

delw · 03-10-2014 3:17pm

The balcony decking finally getting a badly needed wash

acassells80 · 03-10-2014 4:15pm

very heavy Rain in Dublin City Centre. Wouldn't be surprised if we hear a rumble of thunder.

Call me Al · 03-10-2014 5:50pm

I thought I saw a faint flash of lightning over West Dublin around 4pm as I was travelling in along the M4.

fleet_admiral · 03-10-2014 6:00pm

Tipping down relentlessly in Terenure the last few hours, still quite mild though

Meteorite58 · 03-10-2014 7:41pm

Tralee: Got a high temp of 17.8C at 03.33 just before the front arrived and it dropped steadily thereafter to its lowest temp at 11.30 ( 11.4C ) and 11.7C atm.

Had 5.8mm of rain as the front passed over followed by a brief early morning lull and resumed raining late morning until late afternoon with another 7mm bringing total so far to 12.8C. Damp overcast evening.

Totally calm now ( got a gust of 58 kph at 02.37 )
RH 93%

Bar 1010.7mb Falling Slowly

Elmer Blooker · 03-10-2014 7:58pm

Interesting Meteorite, a gust of 57 kph at 2.37 and a max of 17.8c at 3.33 - classic Fohn conditions with the Reeks to your south.
17mm so far in my back yard but not raining now as another pulse approaches from the SW.
* 17.8 at that hour is remarkable at any time of year!!

DOCARCH · 03-10-2014 9:09pm

Rain total for the day has now reached 25.0mm (in South Dublin). 1.0mm more than the entire month of September.

fleet_admiral · 03-10-2014 9:51pm

DOCARCH wrote: »

Rain total for the day has now reached 25.0mm (in South Dublin). 1.0mm more than the entire month of September.

I would say im similar up the road from you. Still pelting down

ninebeanrows · 03-10-2014 11:44pm

Another pulse heading northeast and intensifying! After it passes,we are into a cool Autumnal polar maritime airmass.

Video · 03-10-2014 11:55pm

how did this get so intense ? it wasn't like that earlier on the radar

Supercell · 04-10-2014 12:32am

Indian summer is officially over.Autumn has arrived. With our stuck weather lately October may be a washout.
I recorded 28mm up to midnight. Looks like plenty more on the way.

M.T. Cranium · 04-10-2014 12:50am

This will be obvious to weather forum regulars, just posting it for the more casual visitors to our little corner of cyber-space ...

Further rainfalls of 10-20 mm are likely in the southeast from now to about 0400h. Roads in flat poorly-drained areas will probably develop considerable surface water and some ponding, be very cautious if travelling late tonight in Carlow, Laois, Kilkenny, Waterford, Wexford, Wicklow, Kildare and Dublin -- hydroplaning potential will be considerable at higher speeds. Fog may reduce visibility towards the end of the rainfall event. Expect a lot of splash from larger vehicles overtaking you, etc.

In other words, a typical Vancouver commute.

pad199207 · 04-10-2014 12:56am

29mm recorded here in Naas. Still raining

Heavy Rain, localised flooding possible Fri into Sat, October 3rd & 4th

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