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Reposted by Robert Dunn

American Meteorological Society @ametsoc.org · 13/08/2026

2025 saw the highest global greenhouse gas concentrations and fossil fuel emissions on record. Hear from #StateoftheClimate chapter editor Robert Dunn @rjhd2.bsky.social at the @metoffice.gov.uk about global climate trends: bit.ly/3UtZdMA #StateoftheClimate2025

Global mean concentrations of atmospheric carbon dioxide, methane, and nitrous oxide all hit record highs in 2025. [Image source: Climate.us, using data from the State of the Climate in 2025]

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Reposted by Robert Dunn

UK Centre for Ecology & Hydrology (UKCEH) @ukceh.bsky.social · 11/08/2026

🌍 The latest global State of the Climate Report is out. It includes UKCEH lake monitoring data used to assess trends in spring phytoplankton timing. And Bethan Harris inputs to a soil moisture review which found 2025 was the driest year on average in the 1991-2025 period. #StateoftheClimate2025 ⤵️

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Reposted by Robert Dunn

Met Office - weather and climate @metoffice.gov.uk · 10/08/2026

The BAMS State of the Climate report for 2025, published today, shows that the global climate set several new records, including atmospheric concentration of carbon dioxide, the loss of glacial ice from mountain regions, and the dryness of global soils. Read more ⬇️ buff.ly/tkbuQdS

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Reposted by Robert Dunn

American Meteorological Society @ametsoc.org · 10/08/2026

🚨 The 2025 #BulletinAMS State of the Climate report is here, and the findings are critical. Earth’s greenhouse gas concentrations were the highest on record and record temperatures were observed across the globe. Read here: ametsoc.org/soc #StateoftheClimate2025

An artist’s rendering of NOAA’s GOES-19 satellite (formerly known as GOES-U), operating in orbit above Earth as GOES-East. The text overlaying the background image reads, “State of the Climate in 2025; Special Supplement to the Bulletin of the Meteorological Society; Vol. 107, No. 8, August 2026”. (Credit: NOAA/NASA.)

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Reposted by Robert Dunn

Met Office - weather and climate @metoffice.gov.uk · 22/06/2026

⚠️⚠️🔴 Red weather warning issued 🔴⚠️⚠️ Extreme heat across parts of central/southern England and Wales Wednesday 0900 - Thursday 2100 Latest info 👉 bit.ly/WxWarning Stay #WeatherAware ⚠️

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Reposted by Robert Dunn

Katharine Hayhoe @katharinehayhoe.com · 11/04/2026

A 1200+ year climate record is at risk. Do you know know anyone in Japan who could help? See below.

A message from Tuna Acisu asking for help maintaining cherry blossom record in Kyoto Japan.

A figure showing the cherry tree record since 812 from world in data.

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Robert Dunn @rjhd2.bsky.social · 30/03/2026

Here's the BAMS SotC timeseries image I referred to. Asking Kate Willett (HadISDH developer & Humidity expert), that rise in RH is mostly driven by the marine RH which "went a bit wierd". (Not a record land value in RH - I was looking at specific humidity by mistake)

4x2 timeseries plot of various humidity metrics and datasets. Coloured (red/blue) vertical bars indicate ENSO state. Left column - in situ data (HadISDH), Right column - reanalyses data (ERA5, MERRA-2, JRA-3Q). Top two rows - specificy humidity (land, then ocean), bottom two rows - relative humidity (land, then ocean).

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Robert Dunn @rjhd2.bsky.social · 30/03/2026

That update isn't yet available to us on the Dashboard - so that data is only up to 2024, and so is still ISD based. hadisdh.blogspot.com has a full breakdown of that update. BAMS SotC 2024 humidity section (2d1) suggests its driven by changes over ocean in 2023-4 (ENSO) plus record land value.

hadisdh.blogspot.com

HadISDH: Global land surface humidity monitoring from HadOBS (Met Office Hadley Centre)

Exploring and documenting routine updates and ad hoc bug fixes. <p>Data, figures, diagnostics and other information can be found here: <a href="http://www.metoffice.gov.uk/hadobs/hadisdh">www.metoffic...

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Reposted by Robert Dunn

Peter Thorne @peterthorne.bsky.social · 20/01/2026

Research Assistant position closing 25th: my.corehr.com/pls/nuimrecr... to work on the @copernicusecmwf.bsky.social contract on access to global land meteorological holdings.

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Reposted by Robert Dunn

Met Office - weather and climate @metoffice.gov.uk · 08/01/2026

⚠️⚠️🔴 Red weather warning issued 🔴⚠️⚠️ Wind across the Isles of Scilly and parts of Cornwall Thursday 16:00 – 23:00 Latest info 👉 bit.ly/WxWarning Stay #WeatherAware ⚠️

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Reposted by Robert Dunn

Ed Hawkins @edhawkins.org · 16/10/2025

A request for weather interested volunteers! Met Eireann would like to rescue millions of weather observations taken in Ireland over many decades that are still stuck on paper. #WeatherRescue Anyone can help: www.zooniverse.org/projects/met...

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Reposted by Robert Dunn

Peter Thorne @peterthorne.bsky.social · 13/10/2025

Two job opportunities on new @copernicusecmwf.bsky.social contract until 30/06/28. Both looking at aspects of data rescue and preparation and provision of global historical land meteorological data. Looking to fill ASAP. First job is for a senior postdoctoral position: my.corehr.com/pls/nuimrecr...

eur02.safelinks.protection.outlook.com

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Reposted by Robert Dunn

Tom Cox @dj-acid-reflux.bsky.social · 19/08/2025

Any shares of this for algorithmical purposes much-appreciated. I'd love to get these books out of my spare room & into the world before my new novel comes out. I'll sign them all & I really am happy to let people choose what they pay. (Postage to UK is £4.)

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Reposted by Robert Dunn

American Meteorological Society @ametsoc.org · 14/08/2025

▶️ UPDATE: The 2024 #BulletinAMS State of the Climate Assessment is now available! Check out the highlights in our press release: bit.ly/45tFO0g #StateoftheClimate #StateoftheClimate2024

The background is a photo taken on September 29, 2024, two days after Hurricane Helene; the image shows the receding Swannanoa River along Highway 70 in Asheville, North Carolina. Overlaid text on the photo reads, “State of the Climate in 2024. Special Supplement to the Bulletin of the American Meteorological Society, Vol. 106, No. 8, August 2025”.
Photo credit: Deborah J. Misch, former Graphics team member for the BAMS State of the Climate.

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Robert Dunn @rjhd2.bsky.social · 15/08/2025

A privilege to have helped in putting this report together, working alongside fantastic colleagues from around the world to measure, describe and place in context what the climate was like in 2024. #StateoftheClimate #StateoftheClimate2024

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Reposted by Robert Dunn

Met Office - weather and climate @metoffice.gov.uk · 01/08/2025

#StormFloris has been named It is forecast to bring unseasonably strong winds to the UK on Monday along with heavy rain Stay #WeatherAware ⚠️

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Reposted by Robert Dunn

Peter Thorne @peterthorne.bsky.social · 30/03/2025

I have a very immediate appointment need for a junior PD position as a chapter scientist on the @ipcc.bsky.social Special Report on Climate Change and Cities. Initial appointment will be 6 months so I can appoint immediately but extendable to the two years of the report cycle. (1/2)

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Reposted by Robert Dunn

Met Office - weather and climate @metoffice.gov.uk · 23/01/2025

Storm Éowyn will hit the UK on Friday morning and is set to bring damaging gusts. Red and amber warnings have been issued⚠️ Watch our latest update on Storm Éowyn 👉 www.youtube.com/watch?v=GYVc...

youtube.com

23/01/2025 – Dangerous winds from Storm Éowyn – Met Office weather forecast UK

YouTube video by Met Office - UK Weather

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Reposted by Robert Dunn

Met Office - weather and climate @metoffice.gov.uk · 10/01/2025

2024 has recorded the highest temperature in any year since 1850 🌡🌍 This is the 11th year in succession that has equalled or exceeded 1.0°C above the pre-industrial average period A number of centres released their estimates today: www.metoffice.gov.uk/about-us/new...

metoffice.gov.uk

2024: record-breaking watershed year for global climate

2024 was the warmest year on record globally and the first year that was likely more than 1.5°C above pre-industrial levels: a stark reminder global temperatures are continuing to rise.

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Reposted by Robert Dunn

Jon Worth @jonworth.eu · 29/11/2023

Ciarán Cuffe has launched a Sail Rail Manifesto - based on the lessons he and I learned when testing all of this in September www.ciarancuffe.com/a-sailrail-m... This video is the summary of our trip and the political conclusions youtu.be/3ogU82MGBDk #CrossBorderRail

ciarancuffe.com

A SailRail Manifesto - Ciarán Cuffe

MEP Ciarán Cuffe & rail commentator Jon Worth's SailRail Manifesto following their Sept '23 slow travel trip from Brussels to Dublin.

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Reposted by Robert Dunn

Randall Munroe @xkcd.com · 13/12/2024

METAR xkcd.com/3024

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Reposted by Robert Dunn

Exeter Cycling Campaign @exetercycling.bsky.social · 12/12/2024

"Being on the Planning Response team's been empowering. The campaign's a respected voice so we influence better developments for 🚶🧑‍🦽🚴🛴 in Exeter" Sam's had to step back from helping. We'd 💚 more volunteers to help. Could that be you? We've a great buddy-up system so anyone can easily join in...

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Reposted by Robert Dunn

Marco Petagna @petagna.bsky.social · 06/12/2024

#Metoffice red #wind warning issued for tomorrow morning 90+mph wind gusts possible in red area #StormDarragh looking a very dangerous storm with significant damage potential 60-80mph gusts elsewhere UK Stay #weatheraware

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Reposted by Robert Dunn

Met Office - weather and climate @metoffice.gov.uk · 05/12/2024

#StormDarragh has been named and is forecast to bring very strong winds and heavy rain to the UK later on Friday and through the weekend #WeatherAware ⚠️

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Reposted by Robert Dunn

Ed Hawkins @edhawkins.org · 06/11/2024

Looking for a distraction today? Or just want to help climate scientists? Immerse yourself in some ship voyages from the 1860s and help transcribe the weather observations taken so we can improve our understanding of how the climate has changed. Monsoon Voyages: www.zooniverse.org/projects/p-t...

zooniverse.org

Zooniverse

The Zooniverse is the world’s largest and most popular platform for people-powered research.

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Robert Dunn @rjhd2.bsky.social · 03/11/2024

It's better in warmer weather, but lovely at any time

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Robert Dunn @rjhd2.bsky.social · 03/11/2024

Moresque? (iirc 2:1 Ricard, Almond syrup, with a little water, and ice)

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Reposted by Robert Dunn

John Kennedy @micefearboggis.bsky.social · 28/10/2024

The year to date averages in 2024 started high as you might expect from an El Niño year (e.g 2016), but the average hasn't fallen as far and the past couple of months look like the average might be increasing again (October number is ERA5 based on daily averages to the 25th)

A complex graph. It shows temperature difference from the 1981-2010 average on the y axis and month on the x axis (January through December). The lines on the plot are the year-to-date averages from 1850-2024 so the leftmost point is the january average for that year and the rightmost point is the january to december average for that year. Most years (labelled other years) are shown in grey. 2023 and 2024 are shown in red and 2016 is a sort of pale teal. A green shaded area is titled (~1.5°C range).

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Reposted by Robert Dunn

Simon Lee @simonleewx.com · 21/10/2024

Global and Regional Climate in 2023 – the latest instalment in an annual series of climate reports authored by the Met Office Hadley Centre, published in Weather every year since 1996 and serving as a clear record of our changing climate. Open link: rmets.onlinelibrary.wiley.com/share/RFQNW5...

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Reposted by Robert Dunn

Zack Labe @zacklabe.com · 22/08/2024

Monitoring climate variables through 2023 - what long-term trends and variability do you see? 📈📉 #SOTC2023 #StateOfClimate Page S8: journals.ametsoc.org/view/journal...

Screenshot of many climate variables and their observational time series from the State of the Climate 2023 Report.

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Robert Dunn @rjhd2.bsky.social · 22/08/2024

2023 was a year of climate records: global temperature, ocean heat content, global sea level, antarctic sea ice, amongst many others all set records. Highlights of the whole report are available from www.climate.gov/news-feature...

climate.gov

Highlights from 'State of the Climate in 2023'

International report confirms record-high greenhouse gases, global sea level, and ocean heat in 2023.

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Robert Dunn @rjhd2.bsky.social · 22/08/2024

The BAMS State of the Climate 2023 is now published online. A privilege to be part of the 34th report in this series, and huge thanks to all authors, editors and others involved in the process. #StateofClimate2023 www.ametsoc.org/index.cfm/am...

ametsoc.org

State of the Climate

An international, peer-reviewed publication released each summer, the State of the Climate is the authoritative annual summary of the global climate published as a supplement to the Bulletin of the Am...

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