Advertisement
If you have a new account but are having problems posting or verifying your account, please email us on hello@boards.ie for help. Thanks :)
Hello all! Please ensure that you are posting a new thread or question in the appropriate forum. The Feedback forum is overwhelmed with questions that are having to be moved elsewhere. If you need help to verify your account contact hello@boards.ie

Turning very warm/hot, heatwave conditions likely; Sunday 24th -->

Options
11011131516152

Comments

  • Registered Users Posts: 33,709 ✭✭✭✭Cantona's Collars


    Pangea wrote: »
    Were you in Donegal on Tuesday? If not you missed rainfall of epic proportions.

    Tens of thousands of acres of grain crops,grass, vegetables on the East side of the country that have gotten a bit of drizzle once or twice in a long time. It barely wet the leaves,let alone dampen the ground. Farmers down my way are already pumping water out of the Slaney to water crops.


  • Banned (with Prison Access) Posts: 11 A Fridge too Far


    I have family in the South of Spain where it can go months without raining, yet they seem to produce half the vegetables eaten in Europe. It's quite an arid landscape. Anyway a local was telling me they've been using some water systems that have been around since the Roman times, and you never hear any talk of drought.
    How come a few weeks of no rain in Ireland causes such panic, when we get so much throughout the year?


  • Registered Users Posts: 13,614 ✭✭✭✭sryanbruen


    We've looked at warm spells with constant days of 20c but not looked at historical "absolute droughts". What an absolute drought is a period at least 15 consecutive days with 0.1mm of rain or less. I personally like to call this a "short-term drought" rather than an absolute drought because a drought like 1974-76 is a "long-term drought" but droughts like July 2013 are short-term.

    To start off, I'm a look at Shannon Airport's absolute droughts in its records back to 1945.

    Dates|Length
    11th Aug-3rd Sep 1947|24 days
    6th May-20th May 1950|15 days
    17th Feb-2nd Mar 1952|15 days
    12th May-27th May 1952|16 days
    26th Feb-25th Mar 1953|28 days
    9th Apr-23rd Apr 1954|15 days
    2nd Mar-18th Mar 1955|17 days
    5th Jul-30th Jul 1955|26 days
    30th Sep-14th Oct 1957|15 days
    27th Oct-10th Nov 1964|15 days
    25th Jan-9th Feb 1965|16 days
    4th Jul-21st Jul 1971|18 days
    21st Aug-6th Sep 1972|17 days
    7th Mar-23rd Mar 1973|17 days
    13th Apr-28th Apr 1974|16 days
    15th May-29th May 1975|15 days
    19th Jun-4th Jul 1975|16 days
    15th Apr-30th Apr 1976|16 days
    18th Jul-2nd Aug 1982|16 days
    24th Jun-8th Jul 1984|15 days
    16th Feb-2nd Mar 1986|15 days
    7th Jun-25th Jun 1988|19 days
    22nd Nov-10th Dec 1989|19 days
    26th Aug-12th Sep 1991|18 days
    30th Nov-14th Dec 1991|15 days
    11th Jun-28th Jun 1992|18 days
    21st Jun-5th Jul 1995|15 days
    5th Apr-23rd Apr 1997|19 days
    12th Sep-29th Sep 2002|18 days
    7th May-26th May 2004|20 days
    29th May-17th Jun 2006|20 days
    30th Mar-20th Apr 2007|22 days
    7th Apr-23rd Apr 2010|17 days
    5th Jul-22nd Jul 2013|18 days
    20th Nov-4th Dec 2016|15 days


    Top 3 longest absolute droughts here are:

    1. 26th Feb-25th Mar 1953 (28 days)
    2. 5th-30th Jul 1955 (26 days)
    3. 11th Aug-3rd Sep 1947 (24 days)

    July 1955 and August 1947 are truly classic Summer months. Will 2018 make it into here?

    Data comes from Met Éireann.

    Will have a look at Dublin Airport too soon.

    EDIT: Ok, here's Dublin Airport's list of absolute droughts since its records began in 1941.

    Dates|Length
    12th Nov-30th Nov 1942|19 days
    2nd Mar-17th Mar 1945|16 days
    7th Aug-6th Sep 1947|31 days
    6th Sep-21st Sep 1949|16 days
    15th Feb-3rd Mar 1952|18 days
    3rd Mar-25th Mar 1953|23 days
    8th Apr-29th Apr 1954|22 days
    4th Jul-1st Aug 1955|29 days
    14th Oct-28th Oct 1958|15 days
    3rd Mar-17th Mar 1961|15 days
    14th Dec-28th Dec 1961|15 days
    5th Oct-24th Oct 1962|20 days
    17th Feb-3rd Mar 1963|15 days
    20th Jul-11th Aug 1968|23 days
    2nd Jun-17th Jun 1970|16 days
    5th Jul-21st Jul 1971|17 days
    4th Sep-22nd Sep 1971|19 days
    12th Apr-28th Apr 1972|17 days
    21st Aug-6th Sep 1972|17 days
    7th Mar-23rd Mar 1973|17 days
    15th May-1st Jun 1975|18 days
    15th Apr-30th Apr 1976|16 days
    13th Aug-28th Aug 1976|16 days
    14th May-3rd Jun 1977|21 days
    26th Jun-12th Jul 1979|17 days
    8th Apr-1st May 1982|24 days
    19th Apr-13th May 1984|25 days
    15th Jul-29th Jul 1984|15 days
    11th Oct-29th Oct 1985|19 days
    11th Feb-2nd Mar 1986|20 days
    16th Sep-6th Oct 1986|21 days
    10th May-1st Jun 1991|23 days
    28th Aug-13th Sep 1991|17 days
    10th Jan-24th Jan 1992|15 days
    11th May-27th May 1992|17 days
    6th Jun-29th Jun 1992|24 days
    30th Mar-16th Apr 1995|18 days
    2nd Sep-19th Sep 1996|18 days
    5th Apr-20th Apr 1997|16 days
    12th Mar-27th Mar 2003|16 days
    29th May-17th Jun 2006|20 days
    23rd Jan-6th Feb 2007|15 days
    30th Mar-15th Apr 2007|17 days
    7th Feb-21st Feb 2008|15 days
    1st Mar-18th Mar 2010|18 days
    7th Apr-23rd Apr 2010|17 days
    3rd Jul-22nd Jul 2013|20 days
    13th Jan-27th Jan 2017|15 days


    Again all data comes from Met Éireann.


  • Registered Users Posts: 33,709 ✭✭✭✭Cantona's Collars


    I have family in the South of Spain where it can go months without raining, yet they seem to produce half the vegetables eaten in Europe. It's quite an arid landscape. Anyway a local was telling me they've been using some water systems that have been around since the Roman times, and you never hear any talk of drought.
    How come a few weeks of no rain in Ireland causes such panic, when we get so much throughout the year?

    The Romans never made it to Ireland. ;)
    No forward thinking here like they had.


  • Moderators, Science, Health & Environment Moderators Posts: 16,904 Mod ✭✭✭✭Gonzo


    Accuweather (for what it's worth) is showing temperatures above 21C every day in County Meath from tomorrow till July 7th. There is likely to be be some showers next weekend then back to high pressure for the following week.


  • Advertisement
  • Registered Users Posts: 902 ✭✭✭Cows Go µ


    I have family in the South of Spain where it can go months without raining, yet they seem to produce half the vegetables eaten in Europe. It's quite an arid landscape. Anyway a local was telling me they've been using some water systems that have been around since the Roman times, and you never hear any talk of drought.
    How come a few weeks of no rain in Ireland causes such panic, when we get so much throughout the year?

    What would be the point in wasting the effort of putting in water systems like that in a country that normally has constant rainfall? Yeah, every now and then we get a heatwave but more often than not we don't really go long enough without rain to justify it.

    Can't wait for the nice weather. I'm off Wednesday to Friday next week and will be outside the whole time so really looking forward to it (and will probably get burnt to a crisp knowing me). I was in the middle of moving house last time so was too busy to enjoy the last wave of nice weather


  • Registered Users Posts: 22,425 ✭✭✭✭Akrasia


    I have family in the South of Spain where it can go months without raining, yet they seem to produce half the vegetables eaten in Europe. It's quite an arid landscape. Anyway a local was telling me they've been using some water systems that have been around since the Roman times, and you never hear any talk of drought.
    How come a few weeks of no rain in Ireland causes such panic, when we get so much throughout the year?

    Because they're adapted to the conditions. Ireland could spend billions on irrigation systems for our farms, but generally, we get that from rain so unless drought becomes a regular feature of our climate, it's not worth the cost to build and maintain those systems.


  • Registered Users Posts: 83 ✭✭ESMITH29


    With the extended cold and wet conditions earlier in the year leading to late planting and now this, I'd imagine farmers are under serious pressure.


  • Banned (with Prison Access) Posts: 11 A Fridge too Far


    Akrasia wrote: »
    Because they're adapted to the conditions. Ireland could spend billions on irrigation systems for our farms, but generally, we get that from rain so unless drought becomes a regular feature of our climate, it's not worth the cost to build and maintain those systems.

    I find it hard to believe it would cost billions to have a water system, in rainy Ireland, that could keep us covered during a few weeks of no rain. But I'm no civil engineer! It probably just highlights how wasteful we are as a society, with water, and everything else mind.


  • Moderators, Technology & Internet Moderators Posts: 17,134 Mod ✭✭✭✭cherryghost


    NAVGEM still on vacation, wants to do 30+ all week in central counties, tipping 34/35 Weds/Thurs/Fri


  • Advertisement
  • Registered Users Posts: 23,756 ✭✭✭✭Kermit.de.frog


    Should have time to update the OP later. (or a new thread if posters prefer)

    Very warm over the weekend and hot really from Tuesday onward and we are trending the direction where records could be challenged if temperatures get to the low thirties. Locally high twenties may break records as well.

    Not only temperature to be wary of but it is drought conditions as well. I certainly know the grass is not happy here in north Dublin!


  • Moderators, Science, Health & Environment Moderators Posts: 16,904 Mod ✭✭✭✭Gonzo


    today is the last of the 'cool' days and it already feels very pleasant outside, with almost unbroken sunshine, a real peach of a day.

    Just think of it, today is Baltic compared to what is heading our way for next week!


  • Registered Users Posts: 6,186 ✭✭✭munsterlegend


    It's a glorious afternoon in north cork. Warm but not excessively so even with no breeze. Next week should be epic.


  • Registered Users Posts: 8,061 ✭✭✭irishfeen


    It's a glorious afternoon in north cork. Warm but not excessively so even with no breeze. Next week should be epic.

    Humidity only at 37% knocks the excessive heat off it. 19 DegC now just south of Mallow.


  • Registered Users Posts: 7,196 ✭✭✭pad199207


    20c in Kildare now. Feels lovely due to low humidity


  • Registered Users Posts: 6,235 ✭✭✭Oneiric 3


    National % of average rainfall totals over the last 30 days now standing at just 46% despite the fact that there was some heavy rain around earlier in the week. For June alone, Dublin Apt is still only on 4.8mm, which contrasts hugely with Mount Dillon which has already exceeded its monthly average and which shows just how sporadic and localised the rainfall has been this month.


    Thinking of opening a 'drought watch' thread later to keep tabs on rainfall totals (or lack of) as they are becoming notable at this stage, all the more so since we have heatwave conditions coming up, which will do nothing but enhance any potential impacts.


    All data from Met Eireann.

    New Moon



  • Registered Users Posts: 13,614 ✭✭✭✭sryanbruen


    NAVGEM's brother :p.

    OmlVpPw.png


  • Registered Users Posts: 7,086 ✭✭✭pauldry


    Oneiric 3 wrote: »
    National % of average rainfall totals over the last 30 days now standing at just 46% despite the fact that there was some heavy rain around earlier in the week. For June alone, Dublin Apt is still only on 4.8mm, which contrasts hugely with Mount Dillon which has already exceeded its monthly average and which shows just how sporadic and localised the rainfall has been this month.


    Thinking of opening a 'drought watch' thread later to keep tabs on rainfall totals (or lack of) as they are becoming notable at this stage, all the more so since we have heatwave conditions coming up, which will do nothing but enhance any potential impacts.


    All data from Met Eireann.

    In Sligo town we have had 33.3mm of rain in the past 30 days

    I generally estimate 100mm as Normal here in the exposed NW

    19.6mm of this was from Tuesdays apparent deluge

    Soil moisture deficit here is now below 15mm again but in Carlow its nearer 80mm


  • Registered Users Posts: 3,129 ✭✭✭Ms2011


    Gonzo wrote: »
    today is the last of the 'cool' days and it already feels very pleasant outside, with almost unbroken sunshine, a real peach of a day.

    Just think of it, today is Baltic compared to what is heading our way for next week!

    I've just finished cutting my grass & I nearly passed out with the heat, I'm not prepared for next week :(


  • Registered Users Posts: 2,579 ✭✭✭charlietheminxx


    I've just invited a heap of people around for Saturday 30 June for a BBQ. I'm guessing that's the day North Dublin will get a thunderstorm and heavy rain :)

    Lovely models, really interesting year weather wise.


  • Advertisement
  • Registered Users Posts: 13,614 ✭✭✭✭sryanbruen


    UKMO 12z is an upgrade from its 12z run yesterday. The ridge is more intensified over us.

    EDIT: Good grief!


  • Registered Users Posts: 1,685 ✭✭✭Mobhi1


    Ms2011 wrote: »
    I've just finished cutting my grass & I nearly passed out with the heat, I'm not prepared for next week :(

    No grass left here to cut, just daisies.


  • Registered Users Posts: 23,756 ✭✭✭✭Kermit.de.frog


    Only trending warmer next week so far on this afternoon's models. I'd expect to see 30c exceeded in some inland parts based on the UKMO in the second half of the week. Not out of the question could be touching 30, or just shy, by Tuesday.


  • Registered Users Posts: 1,003 ✭✭✭Lucreto


    Nice enough today but absolutely dreading next week if the predicted temperatures are correct.


  • Registered Users Posts: 1,985 ✭✭✭BLIZZARD7


    sryanbruen wrote: »
    UKMO 12z is an upgrade from its 12z run yesterday. The ridge is more intensified over us.

    EDIT: Good grief!

    It's going to feel very warm to hot next week, even in exposed coastal areas at times.

    UKMOPEU12_144_1.png


  • Registered Users Posts: 5,932 ✭✭✭hinault


    Two weeks ago we had a couple of days of practically continuous rain. As soon as there is rainfall here, there is surface water everywhere.

    I know that rainfall amounts since May have been low, but when we get a heavy shower of rain, it becomes immediately apparent that the water table in the surface is high.

    I don't know how anyone could ascribe a drought to Ireland. The absence of rainfall for a few weeks doesn't mean that there is a drought in Ireland, as evidenced by the water table.


  • Registered Users Posts: 13,614 ✭✭✭✭sryanbruen


    GEM is also a scorcher.


  • Registered Users Posts: 6,235 ✭✭✭Oneiric 3


    hinault wrote: »

    I don't know how anyone could ascribe a drought to Ireland. The absence of rainfall for a few weeks doesn't mean that there is a drought in Ireland, as evidenced by the water table.

    Well clearly, having read the concerns of an actual farmer on here a couple of days ago, low rainfall has a significant impact on crops etc. We don't live in the southern Europe were low rainfalls in summer are commonplace and lifestyle and agriculture aspects are well adapted for.

    New Moon



  • Registered Users Posts: 22,425 ✭✭✭✭Akrasia


    I find it hard to believe it would cost billions to have a water system, in rainy Ireland, that could keep us covered during a few weeks of no rain. But I'm no civil engineer! It probably just highlights how wasteful we are as a society, with water, and everything else mind.

    There are 136000 farms in Ireland. If each one of them had to spend 10k on putting an irrigation system, that's 1.3 billion. given that the average farm is about a hundred acres, 10k is a huge understatement for how much it would cost to install a drought proof irrigation system not to mention the cost of building more reservoirs to store water for when we have prolonged periods without rain.


  • Advertisement
  • Posts: 0 [Deleted User]


    hinault wrote: »
    Two weeks ago we had a couple of days of practically continuous rain. As soon as there is rainfall here, there is surface water everywhere.

    I know that rainfall amounts since May have been low, but when we get a heavy shower of rain, it becomes immediately apparent that the water table in the surface is high.

    I don't know how anyone could ascribe a drought to Ireland. The absence of rainfall for a few weeks doesn't mean that there is a drought in Ireland, as evidenced by the water table.

    I would suggest that surface water after heavy rain recently was due to water running off hard ground rather than a high water table. That was certainly the case in my area anyway. It's why in a drought, steady drizzle is far more welcome than heavy rain, as heavy rain just runs off hard surfaces and gathers in certain areas.


This discussion has been closed.
Advertisement