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BruenSryan
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Posts posted by BruenSryan
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It has now finally been released.
September 2023 CET was equal to June (at least to one decimal point, I'm sure others will tell us how close it was with multiple decimal points) with 17.0C. Warmest ever recorded.
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I was informed that the lack of staff and resources is likely why the CET has been poor at getting updates the past week according to Dan Harris who is a Met. Annoying but at least there's a possible known reason why this has been the case.
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Cool, sunny months in Dublin's records since 1942.
December 2022 76.2 hrs with a tmean of 4.4C.
May 2021 214.2 hrs with a tmean of only 9.2C.
April 2021 209.9 hrs with a tmean of only 5.6C, the coldest on record.
February 2018 108.9 hrs with a tmean of 3.4C.
November 2016 97.5 hrs with a tmean of 5.6C.
June 2015 204.3 hrs with a tmean of 12.9C.
June 2013 210.4 hrs with a tmean of 12.7C.
December 2010 60.3 hrs with a tmean of -0.1C. Not a very sunny month but sunnier than average and warrants a mention.
August 2010 216.0 hrs with a tmean of 13.9C.
May 2010 234.7 hrs with a tmean of 9.6C.
January 2010 86.3 hrs with a tmean of 1.7C.
October 2008 120.9 hrs with a tmean of 8.9c.
October 2003 115.6 hrs with a tmean of 9.0C.
September 1986 195.4 hrs with a tmean of 11.8C. The sunniest on record.
May 1975 255.8 hrs with a tmean of only 9.4C.
June 1962 202.8 hrs with a tmean of 12.4C.
March 1962 128.8 hrs with a tmean of 3.5C. Second coldest on record.
December 1961 76.5 hrs with a tmean of 4.0C.
January 1959 99.3 hrs with a tmean of 3.1C. The sunniest on record.
October 1955 139.7 hrs with a tmean of 8.7C.
March 1955 171.7 hrs with a tmean of only 4.2C. 4th coldest on record and 3rd sunniest.
September 1954 161.4 hrs with a tmean of 11.7C.
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1 minute ago, MP-R said:
We did in 2015.
And 2022.
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15 hours ago, rwtwm said:
Not necessarily, as they often use UK wide figures rather than CET for Met Office press releases.
Seems likely it was though.
Simon King is referring to the CET. A bit of a misleading article though to use the CET as a representation of the whole UK in the title and coming to that conclusion a few days early.
On the UK mean temp, September was cooler than both June and August but warmer than July.
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10 minutes ago, MattStoke said:
There'll be tears from some over the 'scary' red colours
Has it yet been confirmed if September 2023 was the warmest on record?Joint record with 2006 for the UK national series beginning in 1884 for mean temp.
Joint record with 1895 for mean max.
Second warmest for mean min, behind 2006.
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Just now, Sky Full said:
Good question, but as far as I can determine there has never been 30c recorded in the UK in April or October. So that would have to be the rarest event. I am unable to discover whether any September has ever recorded 7 consecutive 30c+ days in the UK. Unless my information is incorrect - do you have an answer to your own question?
6 consecutive days in the overlapping spell of August/September 1906 is the most I'm aware of.
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2023 is on 6 30C days for the UK so far (10th-13th June, 25th June and 7th July). How many more will be added this week?
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4 hours ago, reef said:
It'll be interesting how warm next week gets. In 43 years of records the absolute maximum September temperature here is 27.7C recorded in 2016. 2021 reached 27.4C and 1990 reached 27.0C.
GFS is showing one day with 29-30C in this area though this keeps changing depending on the strength of the sea breeze modelled.
Needless to say, UK-wise I think there's probably a good chance we'll beat the 32.2C in June and therefore record the warmest annual temperature in September. I cant remember the last time this happened.
That was 2016. It has happened 7 years since 1900.
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7 minutes ago, Summer8906 said:
Was wondering what the warmest ever September temperature in the UK was (the warmest I know of was 2016's 34C) - and it occurred on this very day in 1906, a staggering 35.6C.
I'm surprised the temp can get so high in the UK this late in the year with the more limited insolation - especially given this was 100 years ago and the climate was cooler in any case.
Even more incredibly, the June record is also 35.6, set in 1957 and 1976. I'd have expected June to be higher than September with the longer days and stronger sunshine.
Before 1990's 37C, what was the record for July and August, incidentally? Can't have been much more than 35.6 presumably.
The history of the July and August records.
July
1911 36.1C
2006 36.5C
2015 36.7C
2019 38.7C
2022 40.3C
August
1911 36.7C
1990 37.1C
2003 38.5C
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1 hour ago, Dorsetbred said:
I could have sworn that the Met O youtube video this week suggested that the summer overall will end up a degree or so higher than the average.
I posted the stats last night in the summer chat thread.
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3 hours ago, Addicks Fan 1981 said:
Think @Daniel*will hopefully come online and give the official stats for this summer UK wide. Think its fair to say people have felt uneasy after last years long hot summer and the good June that when July came and low pressure areas parked themselves in our country that they feel cheated effectively and disappointed.
Using the latest August estimates from Roostweather (image below for some of them). These are the summer 2023 stats I have calculated for the UK as a whole, anomalies or % of average are relative to the 1991-2020 climate.
Mean temp 15.37C (+0.78C). Would be 8th warmest on record since 1884.
Mean max temp 19.73C (+0.87C). Would be 15th warmest on record since 1884.
Mean min temp 11.10C (+0.8C). Would be 2nd warmest on record since 1884, behind only 2003.
Rainfall 287.1mm (113%). Wetter than average but only the wettest since 2020.
Sunshine 526.4 hrs (104%). Skewed heavily by the very sunny June with a cloudy July/August.
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17 hours ago, damianslaw said:
I wonder if SST values were notably low during 1986 on the back of a cold 1985. 4 notably cold months in Feb, Apr, Aug and Sept. March also cold. Jan colder than normal. By October we returned to mild though.
Back then it was the era of the cold AMO anyway. Strong colder than average anomalies widespread in our North Atlantic region, granted the resolution of the NOAA maps back then ain't great.
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10 hours ago, Dark Horse said:
Yeah there does seem to be quite a few on this forum with Autism or Asperger's as it's not the first time it's been mentioned, loads of times actually. I haven't had a diagnosis myself but I do wonder if those who do take even more of a keen interest in the weather?
Yes I am one of those. I blame it for my freak eidetic memory of stats no one cares for and unhealthy obsession of snow!
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June - 9/10
July - 0/10
August - 3/10
Dublin, Ireland.
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On 21/08/2023 at 10:07, Downburst said:
Yes a poor summer overall. But June was notably good, July was terrible, August not as bad as July in my view but not "good". Still 10 days of this month, and this week is not too bad. Next week beginning to look a little less settled. Those weekends in July of near persistent rain were rotten. But this is the climate we have and we get summers like this. I expect two very poor summers in a 10 year period, perhaps 5 average (passable) and 3 good to very good by our standards. It's the way it is.
Pretty much summed up my view on this summer though I'd say "terrible" is generous for the atrocity of July 2023. Although I personally loathe July 2020 more, we've probably not had a summer month as "objectively bad" as July 2023 in a long long time. June 2012? August 2008?
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2 hours ago, Summer8906 said:
Mind you, wasn't August 2009 considerably more settled, and drier, than the current August? While I'm out of this country this month seems to have had more unsettled weather than 2009, with two named storms (more than the entire winter, though this was likely down to France naming the storms before us) and shorter spells of settled weather.
2009, IIRC, had persistently high pressure across the south; it wasn't always sunny but it did seem very dry, with an alternation of fine, and cool/cloudy weather depending on the airmass source.
Definitely some more anticyclonic influence for the south/southeast in 2009 but way deeper troughing in 2009 for the north giving a very wet month for Scotland and Ireland. 2023 average heights nationwide, probably from more settled periods balancing out with the exceptionally deep lows this month has had.
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2000 would have been a close one.
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1 hour ago, SqueakheartLW said:
Oh look, CFS have finally turned this right way up
Remember this adjusted 10hpa 60N zonal chart
Now we are seeing this one
There, nice and correct now
Least yours is much neater!
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24 minutes ago, Summer8906 said:
I remember 1992, 2003 and 2010 being notably good.
The one thing all three had was a significant cold spell in October. Only 2003 had a good summer though, 1992 being poor and 2010 average.
On the other hand I remember some years, such as 2005 and 2006, being particularly poor. The trees didn't turn until late due to mild weather, and then, IIRC, windy weather later on blew all the leaves off rather suddenly.
So overall, perhaps dry and settled Octobers with some cold spells are best, and mild, wet and windy autumns the worst.
I was only a little one in 2003 but reportedly, that was a horrendous autumn colour season here as the severe frosts in October 2003 brought down all the leaves in one single night. I'd sacrifice that though for the incredible thunderstorms, mountain blizzards Dublin had and outstanding Halloween geomagnetic storms.
Hard to believe this was October here. Bullseye right for me.
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2 minutes ago, RainAllNight said:
I have only just realised from reading your reply that the question I posed in the thread title and illustrated with charts is not the same question that I quoted from @damianslaw and that you have addressed with this interesting set of data above... I suppose this thread can be used to discuss both of these trivia questions and any other similar ones involving the two solstices.
Yeah what I posted was only one way of looking at things whilst the title suggested more of generally speaking the coldest and warmest weather occurring before solstices which cannot be found out as easily statistically. So whilst absolute max and absolute min values may have been recorded after the solstice in some years, they could have been from very localised warm days or cold nights whilst 2023 has both absolute and widespread nature going for it.
If we use 2010 as an example that Crewe mentions, most of the widespread fine weather occurred on or before the summer solstice in 2010 and it became unsettled through the rest of the summer though was hardly all rainbows as there was a pronounced unsettled period 6th-9th June. The absolute max occurred on 9th July in Kent but by that point much of the country was under the influence of the Atlantic. The absolute min for winter 2010-11 occurred before the winter solstice on December 1st but the absolute min for winter 2009-10 occurred on January 8th and the most widespread, severe cold part of that winter was definitely the first 10 days of January.
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Winters with the UK absolute min set before the solstice.
2022-23: -17.3C on 13th Dec
2021-22: -10.2C on 22nd Dec
2019-20: -10.3C on 1st Dec
2016-17: -12.1C on 21st Nov
2013-14: -8.1C on 25th Nov
2010-11: -21.1C on 1st Dec
2004-05: -15.2C on 19th Dec
1999-00: -14.0C on 20th Dec
1998-99: -13.1C on 6th/7th Dec
1992-93: -13.7C on 20th Dec
1991-92: -13.3C on 12th Dec
1989-90: -14.0C on 15th Dec
1988-89: -11.6C on 22nd Nov
1987-88: -11.5C on 10th Dec
1982-83: -15.1C on 17th Dec
1973-74: -17.5C on 1st Dec
1960-61: -12.2C on 11th Dec. However, this one would be equalled on 16th Jan too.
1955-56: -20.0C on 12th Dec. Though this winter is most known for a severe February.
1952-53: -15.0C on 25th Nov
1950-51: -18.3C on 15th Dec
1947-48: -17.2C on 19th Nov
1937-38: -21.7C on 13th Dec
1927-28: -17.8C on 17th/18th Dec
1925-26: -16.7C on 20th Dec
1922-23: -9.4C on 11th Dec
1920-21: -18.3C on 13th Dec
1919-20: -23.3C on 14th Nov
1905-06: -15.0C on 18th Nov
1904-05: -14.4C on 27th Nov
Years where the UK absolute max was set before the summer solstice.
2000: 32.6C on 19th June
1980: 29.4C on 4th June
1978: 28.8C on 4th June
1974: 28.0C on 15th June
1965: 28.9C on 14th May
1960: 30.6C on 18th June
1950: 33.3C on 6th June
1947: 34.4C on 3rd June
1940: 32.8C on 9th June
1939: 32.2C on 7th June
1931: 28.3C on 14th June
1927: 29.4C on 16th June
1920: 27.8C on 17th June
1917: 33.9C on 17th June
1915: 32.2C on 8th June
1913: 29.4C on 16th June
1910: 28.9C on 20th June
If we combine these two lists since 1900, the only years where the absolute max and min were set before their respective solstices if we go by winter first then summer... we get only 1974 and 1920 that this has happened.
Of course this is only one way of looking at it. Those maxima and minima could have been from localised warm days or cold nights.
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Some other totals (but in millimetres) from this rainstorm.
Bray, Fassaroe, Co. Wicklow with 114.3mm on the 25th
Newcastle, Co. Wicklow with 104.4mm on the 25th
Dublin City with 87.4mm on the 25th
Phoenix Park, Co. Dublin with 85.1mm on the 25th
Trinity College, Co. Dublin with 83.8mm on the 25th
Clongowes Wood College, Co. Kildare with 74.4mm on the 25th
Roches Point, Co. Cork with 50.8mm on the 24th
Birr Castle, Co. Offaly with 49.3mm on the 25thIt would be the worst rainstorm in this part of the country until Charley in August 1986 which hit on the same date.
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14 hours ago, Addicks Fan 1981 said:
Spring 2013 was a siberian season in the UK, it was dominated by a negative NAO and the strong SSW in January was responsible for causing it as the PV was then displaced in the wrong place and then it was basically destroyed.
Wonder @mushymanrobwhere 2013 fits in to everything?
You can see it in the graph I showed...
It had an index of 218 which is better than average in spite of the very cold spring.
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Winter 2023/24 - Discussions & Forecasts
in Spring Weather Discussion
Posted
Reminds me more of 2018. 2012 did have a northerly at the end but it was never warm though had a milder period just before the cold snap, it didn't achieve 20C anywhere in the country.