UK: ‘Near normal’ September follows record-breaking hot summer

Posted: October 2, 2018 by oldbrew in Natural Variation, News, weather

Forecaster highlights the jetstream over the UK [image credit: BBC]


‘Record-breaking’ turns out to mean ‘as warm as three other UK summers’, but now things have calmed down. Probably just a temporary return to sanity until the next weather event, however unexceptional for the UK, gets the usual suspects agitated again.

The UK’s record-breaking hot summer was followed by a return to more typical weather in September, the Met Office has said.

Provisional figures show last month’s mean temperature across the country was 12.4C – safely below the all-time record for September of 15.2C, set in 2006, says BT News.

The average maximum temperature last month is estimated to have been 16.3C.
This was also well below the 2006 record of 19.2C.

Despite September seeing the first two named storms of the 2018/19 season, Ali and Bronagh, temperatures for the month were described by the Met Office as “near normal” and conditions as “fairly average”.

Storm Ali brought gusts of up to 91mph to Northern Ireland, Scotland, northern England and parts of north Wales.

It was followed a few days later by Storm Bronagh, which saw gusts of up to 78mph in parts of England and Wales.

Yet rainfall across the UK for the whole month was only slightly above the long-term average, at 103.6mm.

Continued here.

Comments
  1. September was shite and freezing in the NW of England.

  2. Kip Hansen says:

    Hottest Summer ever — well, tied with 2006, 2003 and 1976.

    1976? Wasn’t that before Global warming began in1980?

  3. oldbrew says:

    Kip – indeed it was…

    1976 British Isles heat wave

    Heathrow had 16 consecutive days over 30 °C (86 °F) from 23 June to 8 July[5] and for 15 consecutive days from 23 June to 7 July temperatures reached 32.2 °C (90 °F) somewhere in England. Furthermore, five days saw temperatures exceed 35 °C (95 °F). On 28 June, temperatures reached 35.6 °C (96.1 °F) in Southampton, the highest June temperature recorded in the UK. The hottest day of all was 3 July, with temperatures reaching 35.9 °C (96.6 °F) in Cheltenham.

    https://en.wikipedia.org/wiki/1976_British_Isles_heat_wave

    Nothing comparable to that in the 2018 UK summer.

  4. oldbrew says:

    Iceland had a miserable summer, at least until July and maybe longer.

    Reykjavik Grapevine: England To Blame For Icelandic Weather
    Published July 9, 2018

    The Icelandic weather continues to be bad as Iceland experiences its greyest and wettest summer since 1914. Icelandic meteorologist Trausti Jónsson blames the UK heatwave for Iceland’s unusually grey and cold summer.

    https://grapevine.is/news/2018/07/09/england-to-blame-for-icelandic-weather/
    – – –
    Speaking of Iceland…
    …we show that Katla, a highly hazardous subglacial volcano which last erupted 100 years ago, is one of the largest volcanic sources of CO2 on Earth, releasing up to 5% of total global volcanic emissions.
    . . .
    This is significant in a context of a growing awareness that natural CO2 sources have to be more accurately quantified in climate assessments and we recommend urgent investigations of other subglacial volcanoes world‐wide.

    Source: Globally significant CO2 emissions from Katla, a subglacial volcano in Iceland
    First published: 17 September 2018

    https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2018GL079096

  5. MrGrimNasty says:

    CET for September 2018 was 13.7C (+0.1C), so very average, ranked 230th (tied with 9 others) out of 360 years.

    UAH LT was +0.14C (well into 3rd year of ‘cooling’ since +0.83C super El Nino related peak).

    The global heatwave narrative was cherry picked weather, not global warming.

  6. oldbrew says:

    When the thermosphere contracted, the jet streams were compressed and became more ‘wavy’ / erratic.

    https://tallbloke.wordpress.com/2018/09/28/the-chill-of-solar-minimum/

    ‘Blocking patterns’ are common, or at least more likely, in that situation as happened in summer 2018.
    https://en.wikipedia.org/wiki/Block_(meteorology)

    Nothing to do with minor trace gases making up 0.04% of the atmosphere, a small part of which may be due to humans.

  7. oldbrew says:

    GLOBAL TEMPERATURES KEEP FALLING
    Date: 02/10/18 Roy Spencer

    Globally, the coolest September in the last 10 years.

    https://www.thegwpf.com/global-temperatures-keep-falling-2/

  8. Jamie Spry says:

    I noticed the BBC picked up on this and apologised for the alarm caused by a few hot days of weather in summer…..

    just joking.

  9. oldbrew says:

    Globally, the coolest September in the last 10 years.

    That was also around solar minimum (late 2008).

    From Spaceweather.com…

  10. Kelvin Vaughan says:

    What they are not telling you is that since 2000 the number of annual sunshine hours in the UK have also been very high.

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