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MetJam

@metjam.co.uk
1.9K followers 260 following 3.5K posts

Jamie. BSc Environmental Science Student at University of Reading. Communications Director @ TORRO Avid weather nut from coastal Kent doing weather updates for the SE. Space weather & astronomy thrown in whenever that looks interesting too! metjam.co.uk

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MetJam @metjam.co.uk · 10h
A minimum of 18.8ºC at the University of Reading Atmospheric Observatory this morning is well above the previous record (+16.7ºC) for the 30th of September. It is the second-warmest September night on record. The record from 1949 of 20.3ºC on the 5th of September still stands.
Scatter plot of every September daily minimum temperature at Reading since 1908, plotted by day of the month and coloured from blue (below the 1991–2020 average) to red (above it). Most minima fall between 4°C and 16°C, and a dashed line shows the average easing from about 11°C at the start of the month to about 10°C by the 30th. A red star marks 30 September 2026 at 18.8°C, the second-highest September minimum on record, behind 20.3°C on 5 September 1949, and 2.1°C above the previous 30 September record of 16.7°C from 1923.
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Dan Holley @danholley.bsky.social · 12h
It was an exceptionally warm night across the UK for late September, with some stations recording 22°C during the early hours. The temperature has been rising all through the night at Edinburgh, for example. Red box highlights just how much last night stands out from individual site records.
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MetJam @metjam.co.uk · 29/09/2026
28.1ºC at Kew Gardens this afternoon, 0.7ºC shy of the 29th of September maximum temperature record, which was set at the same place in 2011.
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MetJam @metjam.co.uk · 29/09/2026
Charlwood is running a bit toasty at 25.8ºC, wouldn't like to hedge my bets on why 😉 The next highest is 25ºC at Heathrow.
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MetJam @metjam.co.uk · 29/09/2026
The university has changed their way of connecting to eduroam - a lot of puzzled looks in my lecture this morning, should have probably been advertised a bit better?
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MetJam @metjam.co.uk · 29/09/2026
Muggy out here - still eyeing up around 26°C later
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MetJam @metjam.co.uk · 29/09/2026
A warm front has advected warmer air throughout the night, so the temperature hasn't actually dropped here in Reading. It's fairly misty and murky currently, but that will change soon enough.
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MetJam @metjam.co.uk · 28/09/2026
One of the best sunset glows I've seen from Reading since moving here a year ago
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MetJam @metjam.co.uk · 28/09/2026
An absolutely incredible sunset glow from the Whiteknights Lake here in Reading this evening - this is a 12 shot panorama.
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MetJam @metjam.co.uk · 28/09/2026
Tomorrow is really looking quite warm for this time of year - up to 27ºC seems like a reasonable shout. It's possible that areas of London and perhaps some higher ground may record a tropical night - the latest on record although this will be dependent on temperatures by 10 am.
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MetJam @metjam.co.uk · 28/09/2026
I wouldn’t like to jinx it but the skies over Reading currently could go a little nuts with afterglow
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Reading Uni Weather @ruweather.bsky.social · 28/09/2026
Reading's 29th of September date maximum record is 26.8ºC in 2011, tomorrow looks to be close with a maximum of around 26ºC expected based on current model output.
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MetJam @metjam.co.uk · 28/09/2026
A partial solar halo above The Blade this morning.
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Reading Meteorology @unirdg-met.bsky.social · 28/09/2026
The latest Met blog on research recreating the D-day weather forecast using modern systems on the back of the film "Pressure" that dramatised one of the the most important weather forecast in history delivered by Meteorologist James Stagg in June 1944: blogs.reading.ac.uk/weather-and-...
blogs.reading.ac.uk
War drama Pressure depicts D‑day’s weather forecast – what we found when we recreated the challenge using modern systems
Andrew Charlton-Perez, University of Reading and Ed Hawkins, University of Reading Meteorologist James Stagg gave what many regard as the most important weather forecast in history in June 1944. Th…
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MetJam @metjam.co.uk · 28/09/2026
The spectacular glow of altocumulus after sunset on Friday from Caversham Lock.
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MetJam @metjam.co.uk · 27/09/2026
A panorama of sunset afterglow from King's Meadow Park in Reading, taken at 19:00 BST on Friday.
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MetJam @metjam.co.uk · 27/09/2026
Dire, horrendous, grim - anyone else have any other words to describe this evening?
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MetJam @metjam.co.uk · 26/09/2026
Altocumulus - the cloud that loves to light up
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MetJam @metjam.co.uk · 26/09/2026
A picture of the setup at the London Weather Centre in 2009 before it closed in February 2010, one of the more random things I've found in the Met Office digital library archive. digital.nmla.metoffice.gov.uk/IO_dc6d7176-...
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MetJam @metjam.co.uk · 26/09/2026
Long lasting, large contrails here in Reading this morning - ready to fuel any conspiracy nutter around
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MetJam @metjam.co.uk · 25/09/2026
Windy and warm on Tuesday as this low develops to our west - maximum temperatures look like they may reach the mid-to-high 20s (lower risk), although it'll largely depend on the positioning of the low. If things turn a bit flatter (i.e., the low further east), it'll be cooler.
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MetJam @metjam.co.uk · 25/09/2026
The decaying cold front that’s given some spectacular sunsets further west has given precisely nothing here in Reading 🤣
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MetJam @metjam.co.uk · 25/09/2026
AROME has 26ºC in parts of Kent today - we will see how it comes to fruition but definitely looking rather warm for this time in September.
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MetJam @metjam.co.uk · 24/09/2026
Nice sunset in Reading tonight - up to 23/24°C tomorrow.
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MetJam @metjam.co.uk · 24/09/2026
If you are here in Reading and can see me in the next 25 minutes at the SMPC in Chancellors - go for it
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MetJam @metjam.co.uk · 24/09/2026
If you are here in Reading and can see me in the next 25 minutes at the SMPC in Chancellors - go for it
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MetJam @metjam.co.uk · 23/09/2026
It could be rather close to a date record - depending on which reading you go off, the record for the 23rd of September is 28.4ºC in Loughborough in 1895. The climate return for Stratfield Turgis lists the readings as 'manifestly unreliable', so I have discarded the 30.6ºC.
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MetJam @metjam.co.uk · 22/09/2026
Cloudier sunset than I had hoped but has been warm, exceeded 25°C in Reading this afternoon.
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MetJam @metjam.co.uk · 22/09/2026
The grass hasn’t bounced back everywhere just yet - this is a field in Earley and a lot of it still looks pretty decimated
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MetJam @metjam.co.uk · 22/09/2026
Morning 😁
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Marco Petagna @petagna.bsky.social · 21/09/2026
With a high of 25.5C in N Ireland today, it's the latest point in the year on record that the Province has seen such warmth
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MetJam @metjam.co.uk · 21/09/2026
The Wetherspoons stairs strike again
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MetJam @metjam.co.uk · 21/09/2026
38.2ºC at Hartpury College updated on the absolute annual maximum UK temperature chart since 1875 - it nudges the linear trend up to +0.16ºC per decade from +0.15ºC. The average absolute annual maximum over the last 10 years is 36.1ºC, genuinely astonishing.
A dark grey line chart titled "UK Absolute Annual Maximum Temperature (1875–2026)". The y-axis shows temperature from 24°C to 42°C; the x-axis shows years from 1875 to 2026. Each year's highest recorded temperature is plotted as a bold red line, ranging from around 27°C in the late 1800s to a peak of 40.3°C in 2022. A white line shows the 10-year running mean, which stays near 31–33°C for most of the record before climbing steeply from the 1990s onward to around 36°C in recent years. A dashed grey line shows the linear trend of +0.16°C per decade. A dashed white horizontal line marks the 1991–2020 average of 33.5°C. The UK all-time record of 40.3°C set in 2022 is labelled in the upper right. Recent years including 2019 (38.7°C), 2020 (37.8°C) and 2026 (38.2°C) sit well above the historical average.
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MetJam @metjam.co.uk · 21/09/2026
Stunning Met Office FAX analysis - high pressure firmly dominating with light winds and sunny skies across the south
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Reading Uni Weather @ruweather.bsky.social · 20/09/2026
Nice temperature drop since sunset - clear skies and a cessation of wind all helping
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MetJam @metjam.co.uk · 20/09/2026
Absolute stunner of an afternoon - just shy of 20°C here in Reading
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MetJam @metjam.co.uk · 19/09/2026
It’s been a bit of a gloomy Saturday - countryside around Winchester has all bounced back nicely and turned very green
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MetJam @metjam.co.uk · 19/09/2026
I’ve had my first Greggs sausage roll at the age of nearly 21 and my first Ben and Jerrys ice cream tub earlier in the week - what other very normal things haven’t I consumed
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MetJam @metjam.co.uk · 18/09/2026
Hope we are all having a fantastic evening 👍🏻
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MetJam @metjam.co.uk · 18/09/2026
One of those evenings with an approaching warm front causing great cloudy misery - should improve tomorrow afternoon
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MetJam @metjam.co.uk · 17/09/2026
2026 is the warmest year so far (to the 1st of September) by mean absolute daily UK maximum temperature since at least 1959, based on Met Office data. It sits ahead of 2025 by 0.5ºC and lands at 21.2ºC, over 2ºC ahead of the 1991-2020 average. It has been a very warm year.
Horizontal bar chart titled "UK warmest years by mean absolute daily maximum temperature, 1959–2026." It ranks the ten warmest years by the average of the UK's absolute daily maximum temperature (the single highest reading anywhere in the country each day) over 1st January to 1st September. Bars, warmest at top: 2026 — 21.2°C (dark red, clearly the longest bar); 2025 — 20.7; 2022 — 20.4; 2003 — 20.1; 1990 — 20.0; 1995 — 20.0; 1959 — 19.8; 2020 — 19.8; 1989 — 19.7; 1976 — 19.7. All bars except 2026 are grey. The x-axis runs from 18 to about 21.6°C. A black dotted vertical line marks the 1991–2020 average of 19.1°C, and every year in the top ten sits to the right of it. 2026 stands out as the warmest on record, roughly 0.5°C above 2025 and more than 2°C above the 1991–2020 average, with four of the top eight years (2026, 2025, 2022, 2020) falling in the current decade.
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MetJam @metjam.co.uk · 17/09/2026
38.2°C at Hartpury College on 13th August - only 0.3°C off the August record, exceptional.
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MetJam @metjam.co.uk · 17/09/2026
Every single rain gauge measured trace amounts of rainfall in the observatory here in Reading this morning - good to be back in here 😁
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MetJam @metjam.co.uk · 17/09/2026
Absolute flood in Reading from those fronts - may need an ark 😆
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MetJam @metjam.co.uk · 16/09/2026
High-level cloud at sunset this evening here in Reading. Met Office FAX seems to have a variety of upper level warm and occluded fronts (presumably this cloud is associated with one of them!) moving east before tomorrow’s cold front moves through late tomorrow morning.
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MetJam @metjam.co.uk · 16/09/2026
There appears to be a good signal for high pressure to build in towards the end of this week - exact orientation to be properly determined, but it could be a rather nice week to be had if you like sunshine, no doubt turning warmer too.
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Reading Uni Weather @ruweather.bsky.social · 15/09/2026
All gone a bit quiet here, can only apologise but I’m now back in the area 😉 ~ Jamie
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MetJam @metjam.co.uk · 15/09/2026
The new ECMWF building on the University of Reading campus, very nearly completed 😄
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MetJam @metjam.co.uk · 15/09/2026
It’s been a long time since I feel like I’ve seen a proper cold front move through - today is no exception, just some drizzle as it went over here in Reading
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MetJam @metjam.co.uk · 14/09/2026
Heathrow climbing above 26ºC this afternoon, feeling warm and muggy when the sun does come out.
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