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Vikki Thompson

@vikkithompson.bsky.social
561 followers 209 following 67 posts

Climate scientist at the University of Edinburgh. Researching weather and climate extremes. Climate modelling, statistics, attribution.

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Vikki Thompson @vikkithompson.bsky.social · 24/09/2026
📣Calling all Scotland-based climate scientists: Abstract submission for the second annual Scottish Climate Science Network Workshop extended - submit by 9th October! forms.office.com/e/brhjAJ0WEK
Advertisement for: 2nd Scottish Climate Science Network Workshop. 10th-11th December EFI Edinburgh. The event will build on last year's successful event bringing together climate scientists working across Scottish institutes. We welcome abstracts on all aspects of climate dynamics. An afternoon subevent on Climate Service for Scotland, including a stakeholder panel, is planned. Abstract deadline: 9th October 2026.
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Vikki Thompson @vikkithompson.bsky.social · 24/08/2026
🚴‍♂️🌧️ Pro cycling is once again disrupted by extreme weather, this time torrential hail stopped the #Vuelta today. High resolution models suggest that #ClimateChange increases the likelihood of very large hail in southern Europe. www.nature.com/articles/s41...
Image of Wout van Aert heading for cover with a thick coating of hail covering the ground. (Getty Images)
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Vikki Thompson @vikkithompson.bsky.social · 26/07/2026
🚴‍♂️Today #TourDeFrance races into #Paris to finish this years' edition. We have seen stages shortened due to extreme heat and wildfire – a direct impact of #ClimateChange 🧵1/4
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Vikki Thompson @vikkithompson.bsky.social · 26/06/2026
⛈️ Edinburgh, June 2026 ⛈️ As foretold by UKCP18 and others, we are seeing an increase in extreme heat and heavy rainfall in summer, and feeling the impacts of both.
Flooded street in Edinburgh
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Vikki Thompson @vikkithompson.bsky.social · 25/06/2026
📣Calling all Scotland-based climate scientists: Abstract submission for the second annual Scottish Climate Science Network Workshop now open! forms.office.com/e/brhjAJ0WEK
Poster: 2nd Scottish Climate Science Network Workshop, 10-11 December. ECCI Edinburgh. 'This event will build on last year's successful event bringing together climate scientists working across Scottish institutes. We welcome abstracts on all aspects of climate dynamics. An afternoon sub-event on Climate Services for Scotland, including a stakeholder panel, is planned. We welcome abstracts on Scottish-relevant weather and climate research for within this session. Abstract Deadline 25th September 2026
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Vikki Thompson @vikkithompson.bsky.social · 28/05/2026
In Edinburgh this weekend? Why not come along to #PeopleFest I'm speaking at an event where we will consider, in this changing climate, how catastrophe and the mundane interwoven and balanced against each other in our daily lives. Register for free here: shorturl.at/aqutE
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Vikki Thompson @vikkithompson.bsky.social · 11/05/2026
Extreme rainfall will become more frequent and intense in a warmer climate, however not every event follows the general trend In our new study we show the Ahr floods of 2021 may have been the perfect storm: rdcu.be/fh2YW @erichfischer.bsky.social @knmi.nl @ivm-vu-amsterdam.bsky.social
Altenahr's main square after the flooding in July 2021 (from https://www.theguardian.com/environment/2024/apr/10/german-valley-swept-away-cemeteries-gave-up-their-dead)
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Vikki Thompson @vikkithompson.bsky.social · 07/05/2026
Comparing multiple attribution methods increases confidence in conclusions - we need all the puzzle pieces to see the full picture 🧩🌀☀️🌧️🧩 Hear more about the many different weather and climate #attribution methods at #EGU26 today, including Shirin Ermis' talk on method comparisons, 1045 in room F1
A puzzle of Storm Babet, with a piece missing
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Vikki Thompson @vikkithompson.bsky.social · 06/05/2026
Where is most susceptible to record breaking humid heat? 🥵🌡️🔥 Today at #EGU26, @regclimo.bsky.social will tell you, room 2.24 from 1400. @drlaurasuarez.bsky.social @karinvdwiel.bsky.social Paper: agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Fig 2a from https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2025AV001963 Regional susceptibility to record-breaking humid heat from ERA5 and GCM perspectives, and its relationship to a key impact-relevant threshold. In (a), red coloration (columns of color table) corresponds to the current Tw record's inferred ERA5 annual exceedance probability. Green coloration (rows of color table) corresponds to the fraction of ensemble members, averaged across LEs, which contain at least one Tw event outside a GEV fit of that model's annual-maximum distribution, also excluding the largest value and for a GMST of +1°C.
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Vikki Thompson @vikkithompson.bsky.social · 04/05/2026
How would extreme events differ in warmer or cooler climates? Initial results from our project ReBASE are being shown at #EGU26 this afternoon. Catch Rhidian Thomas at his poster, X5.151 from 1615. ed-hawkins.github.io/ReBASE/resul...
Scientific poster: https://ed-hawkins.github.io/ReBASE/results/EGU_2026_ReBASE_poster.pdf
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Vikki Thompson @vikkithompson.bsky.social · 04/05/2026
This morning at #EGU26 @tamarahappe.bsky.social is presenting our work on operational multi-method #attriibution. Chat to her at poster X3.56 from 10.45! vikki-thompson.github.io/images/EGU26...
Scientific Poster: https://vikki-thompson.github.io/images/EGU26_poster_Happ%C3%A9.pdf
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Vikki Thompson @vikkithompson.bsky.social · 19/03/2026
At least one person is super excited about the prospect of counterfactual reanalysis-based storylines! Discussing many potential uses within the energy sector today 🌬️☀️⚡ vikki-thompson.github.io/images/ReBAS...
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Vikki Thompson @vikkithompson.bsky.social · 25/02/2026
Working on impact attribution of extreme weather events? Submit to our session at the EMS Annual Meeting in Utrecht in September! meetingorganizer.copernicus.org/EMS2026/sess... @tamarahappe.bsky.social @sannemuis.bsky.social
Advertisement poster for EMS Annual Meeting session. Text: 'Attribution of extreme weather events and their impacts (UP1). Abstract deadline March 27th. Convened by Tamara Happe, Vikki Thompson. Paolo Scussolini, Sjoukje Philip, Sarah Kew, Sanne Muis, and Doris Vertegaal.
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Vikki Thompson @vikkithompson.bsky.social · 06/01/2026
⚡9 days left to submit your #EGU26 abstract, if you work on weather and climate hazards consider our session: www.egu26.eu/session/56049 @tamarahappe.bsky.social @yinglintian.bsky.social @kornhuber.bsky.social @karinvdwiel.bsky.social @regclimo.bsky.social
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Vikki Thompson @vikkithompson.bsky.social · 24/11/2025
Where have the greatest humid heat extremes been observed? Where is statistically likely to see unprecedented extremes? New study led by @regclimo.bsky.social investigates:
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Vikki Thompson @vikkithompson.bsky.social · 06/11/2025
Looking for a #PhD in #ClimateExtremes? We are advertising a project attributing causes of recent #droughts using counter-factual storylines. Based in #Edinburgh, working with Andrew Schurer, me, @gabihegerl.bsky.social, & @edhawkins.org tinyurl.com/5n7b52fr
Droughts cause a wide range of impacts - this image shows a dry riverbed in France.
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Vikki Thompson @vikkithompson.bsky.social · 24/10/2025
👻🎃 It's that time of year again, time to start thinking about #EGU26! 🔥🌧️🌀 Our session on Future Changes in Weather and Climate Hazards is now open for abstract submissions 🔥🌧️🌀 meetingorganizer.copernicus.org/EGU26/sessio... @tamarahappe.bsky.social @yinglintian.bsky.social @kornhuber.bsky.social
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Vikki Thompson @vikkithompson.bsky.social · 15/08/2025
Experiencing extreme heat first hand today in Cantabria, and the 5 year old is enjoying quizzing me on a topic I am happy to discuss in detail - but I'm not sure if these could be fire clouds on the horizon?
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Vikki Thompson @vikkithompson.bsky.social · 05/08/2025
This week marks my last few days working at KNMI, after a fantastic few years exploring new methods with amazing colleagues and collaborators it's time for the next challenge. First, a holiday ☀️⛰️🚴‍♂️
My workplace for the past few years: KNMI radar tower and offices
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Vikki Thompson @vikkithompson.bsky.social · 08/07/2025
📣 New paper: 💧💧💧 In July 2021 record breaking rainfall hit western Europe, we use ensemble boosting to explore different plausible storylines. These show it could have rained for longer, or over a larger area, or in a different place. Are we prepared? doi.org/10.1038/s432...
Showing the rainfall of 14th July 2021 (upper left) and 5 alternative scenarios derived from a climate model, conditioned to the atmospheric circulation patterns of the observed event.
Similar to fig.6 of https://www.nature.com/articles/s43247-025-02386-y
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Vikki Thompson @vikkithompson.bsky.social · 30/06/2025
🌡️☀️ It is hot in Europe this week – but how much hotter would it be in the future? Using a weather model we can simulate tomorrow’s weather in a warmer climate. Tomorrow Paris is forecast to reach 37°C, in a world 1.5°C warmer the same weather patterns could lead to temperatures over 40°C.
Map of European daily maximum temperatures for (1st July 2025) tomorrow's weather in (left) a present day climate and (right) a 1.5K warmer climate.
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Vikki Thompson @vikkithompson.bsky.social · 21/06/2025
#ShowYourStripes day on a #parkrun day made it easy to pick out a shirt. Climate change impacts sports. Extreme heat, happening increasingly often, forces events to adjust or cancel with little notice. Climate change impacts everyone.
A selfie at parkrun wearing a climate striped tshirt
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Vikki Thompson @vikkithompson.bsky.social · 01/05/2025
Today we present an online tool for identifying circulation analogues, now available on Climate Explorer. I'll be at my #EGU25 poster, at X5.171, from 1615 (or after 1800 with my small assistant). climexp.knmi.nl/analoguesfor...
Science poster, available online: https://vikki-thompson.github.io/images/EGU25_poster_thompson.pdf

Photo also features a 5 year old.
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Vikki Thompson @vikkithompson.bsky.social · 17/04/2025
Are you interested in extreme event attribution and attending #EGU25? Come along to our networking session to discuss the strengths and challenges of different methods. meetingorganizer.copernicus.org/EGU25/sessio... @marylouathanase.bsky.social
Poster, text: Networking Session: Comparing methods for extreme event attribution. Conveners: Vikki Thompson, Shirin Ermis, and Marylou Athanase. EGU General Assembly 2025. Friday 12.45-13.45 in room 2.43. Three images of extreme event attribution techniques. QR code links to https://meetingorganizer.copernicus.org/EGU25/session/55165
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Vikki Thompson @vikkithompson.bsky.social · 04/04/2025
Once again, I am taking my daughter to #EGU25. She has been busy making extreme weather posters 'just like mama'. Any other (ideally english/dutch speaking) ~5 yr olds booked into the childcare, who might fancy some lunchtime picnics?
Photo of me and my daughter outside the EGU General Assembly in 2022
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Vikki Thompson @vikkithompson.bsky.social · 24/03/2025
Planning your #EGU25 travel? If you're interested in extreme event attribution, make sure to stay until Friday to come along to our networking session to discuss the value of multiple methods. @marylouathanase.bsky.social
Poster, text: Networking Session: Comparing methods for extreme event attribution. Conveners: Vikki Thompson, Shirin Ermis, and Marylou Athanase. EGU General Assembly 2025. Friday 12.45-13.45 in room 2.43. Three images of extreme event attribution techniques. QR code links to https://meetingorganizer.copernicus.org/EGU25/session/55165
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Vikki Thompson @vikkithompson.bsky.social · 29/01/2025
In @wwattribution.bsky.social report on the LA wildfires this January we show the frequency and intensity of the atmospheric circulation of the event has increased in winter, raising the risk of weather conditions that drive the spread of wildfire. www.worldweatherattribution.org/climate-chan...
Figures taken from https://www.worldweatherattribution.org/climate-change-increased-the-likelihood-of-wildfire-disaster-in-highly-exposed-los-angeles-area/ showing the ERA5 Z500 field of Jan 8 2025 over California, and the closest analogues from a past and present period. Below, a timeseries of the change in frequency of similar events through time - showing an increase between 1950 and 2024.
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Vikki Thompson @vikkithompson.bsky.social · 16/01/2025
This week at school Fritha is learning about polar animals... 'Mama and Dada have seen penguins in the wild, but only Dada has seen polar bears'. Perhaps not what her teacher expected!
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Vikki Thompson @vikkithompson.bsky.social · 10/01/2025
Congratulations to @raedhamed.bsky.social for successfully defending his PhD! He carried out important research on the impacts of compound weather events on crop yields, looking forward to seeing the next stages of his research 🌽☀️🫘🌧️
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Vikki Thompson @vikkithompson.bsky.social · 09/01/2025
We show fire weather – that is the meteorological conditions conducive to wildfires spreading – is increasing in the SE England. With climate projections showing rising temperatures and decreasing rainfall in summer, this trend is likely to continue.
Buildings on fire in London during the July 2022 heatwave
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Vikki Thompson @vikkithompson.bsky.social · 08/01/2025
🌍🔥🌧️🌡️🌀 One week left to submit #EGU25 abstracts 🌀🌡️🌧️🔥🌍 Join our session on future weather and climate hazards! Featuring talks from Aglaé Jézéquel & Dominik Schumacher meetingorganizer.copernicus.org/EGU25/sessio...
Advertisement for the EGU General Assembly 2025 session 'Future Changes in Weather and Climate Hazards around the World'. More details available: https://meetingorganizer.copernicus.org/EGU25/session/51888
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Vikki Thompson @vikkithompson.bsky.social · 23/11/2024
...there is evidence that storms similar to #StormBert, identified by surface pressure patterns, are becoming more common. Taking the top 5% most similar days there is an increase of 0.05 events/year (or 1 extra events annually every 20 years). (2/2)
Graph of number of events similar to STorm Bert (in the closest 5% of days) per year, 1950-2023. Shows an increasing trend of 0.05 events/year.
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Vikki Thompson @vikkithompson.bsky.social · 23/11/2024
#StormBert is bringing strong winds, rain, and snow to parts of Ireland and the UK over the weekend. Similar events have happened before, such as Storm Diana in 2018, but... (1/2)
Maps of three similar sea level pressure patterns over the UK 23rd Nov 2024, 27th Oct 2005, and 28th Nov 2018.
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Vikki Thompson @vikkithompson.bsky.social · 20/11/2024
Hi Bluesky, I've come over here to share our #EGU25 session. Are you researching weather and climate hazards? Submit an abstract to tell us about it! @tamarahappe.bsky.social @eunicelo.bsky.social @kornhuber.bsky.social
Poster advertising #EGU25 session, future changes in weather and climate hazards around the world. More details: https://meetingorganizer.copernicus.org/EGU25/session/51888
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