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Wouter Mol

@wbmol.bsky.social
61 followers 63 following 74 posts

Stormchasing, photography, hiking. I look at clouds a lot. Atmospheric scientist (Postdoc @ University of Vienna).

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Wouter Mol @wbmol.bsky.social · 23h
A tasteless and inauthentic aesthetic. I hope it passes soon
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Wouter Mol @wbmol.bsky.social · 09/09/2026
Summer is finally over
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Wouter Mol @wbmol.bsky.social · 09/09/2026
In other words, think twice before you throw a research proposal in an AI model for feedback. But maybe this is pointless, once you digitize your idea it will, at some point and intentionally or not, leak it to the internet and be ingested as training data.
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Wouter Mol @wbmol.bsky.social · 09/09/2026
Terence Tao on the disturbing events surrounding OpenAI's supposed Navier-Stokes MP solution: mathstodon.xyz/@tao/1172373... Please read the full thread, but just highlighting this section as it ressonates with me.
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Wouter Mol @wbmol.bsky.social · 28/08/2026
Brief classic supercell between Linz and Salzburg
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Wouter Mol @wbmol.bsky.social · 12/08/2026
That was cool! Partial #eclipse at sunset seen from just west of Vienna
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Wouter Mol @wbmol.bsky.social · 12/08/2026
Europe has experienced an extremely hot summer. We've exceeded the 5% hottest days of the last 35 years many times over, making this summer the worst we have seen yet. More graphs here: woutermol.com/writings/202...
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Simon Lee @simonleewx.com · 11/08/2026
I still can’t wrap my head around heatwave/drought news articles that don’t mention climate change. The best this article can do is say “this has been a year like no other”. Heatwaves are hotter because of climate change, predominantly driven by burning fossil fuels. www.bbc.co.uk/weather/arti...
bbc.co.uk
Amber heat health alerts for almost all of England as next heatwave begins
The amber alerts will be in place until Friday evening to cover high and even extreme temperatures expected through this week.
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Zeke Hausfather @zekehausfather.com · 05/08/2026
The rise in Niño 3.4 region sea surface temperatures over the past few weeks has been nothing short of astonishing. We are now hotter than any days during the 1997/1998 super El Niño event, and we are still many months from the peak.
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uwz.at @uwz.bsky.social · 04/08/2026
Ein Tag für die Geschichtsbücher. Leider keiner, auf den man gerne zurückblickt. 🔸41°C in Wien-Stammersdorf ➡️ Österreich-Rekord 🔸An 51 Stationen so heiß wie noch nie 🔸Insgesamt 101 August-Rekorde 🔸9-mal 40 Grad, im Jahr 2026 bereits 14-mal (vor 2026 insgesamt nur 3-mal!)
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Wouter Mol @wbmol.bsky.social · 17/07/2026
Woohoo! Just in time to save Vienna from setting a new drought record⛈️ (measurement map: www.regnets.net/map?group=pr...)
https://www.foto-webcam.eu/webcam/wien/2026/07/17/1530
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Wouter Mol @wbmol.bsky.social · 01/07/2026
Deutsche Bahn? Because they are hardly prepared for normal conditions
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Wouter Mol @wbmol.bsky.social · 28/06/2026
What a privilige to be part of this record heat... Tonight's forecast minima are even crazier: Geosphere's AROME-EPS has 26-29C, DWD's ID2-EPS ~24-27C. Daily mean temperature is going to be well over 30C and therefore a huge record.
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Simon Lee @simonleewx.com · 27/06/2026
Today’s GFS 18Z for 11 July showing max temperatures in England reaching 41°C Not to be taken as a deterministic forecast. However, this suggests that yet more extreme heat is possible in the next few weeks, which is made more likely and intense by climate change driven by burning fossil fuels.
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Wouter Mol @wbmol.bsky.social · 28/06/2026
Crazy 😅
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Wouter Mol @wbmol.bsky.social · 24/06/2026
"How extreme (i.e., unusual) is the heat in the UK?" "Yes" (Current weather is far out of anything previously observed. This plot shows the extreme forecast index and forecast CDFs, see charts.ecmwf.int for more details)
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Manuel Oberhuber @manueloberhuber.bsky.social · 24/06/2026
@GeoSphere_AT hat für das Wochenende die höchste Hitzewarnstufe aktiviert: Villach, Klagenfurt, Graz & das Gebiet von Wels bis in den Osten. Stand heute wird der Sonntag der heißeste Tag: In Wien könnte erstmals überhaupt die 40°-Marke erreicht werden, Tiefstwert am Montag: ~26°.
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Wouter Mol @wbmol.bsky.social · 19/06/2026
Next 15 days in Vienna (and surrounding central Europe area) look rough. Ensemble forecast for Tmax in the 90-99th (model) climatology for time of year 🥵 - but possibly worse are the nighttime temperatures
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Wouter Mol @wbmol.bsky.social · 06/06/2026
One of my favorite cloud types: pileus. Photo taken in northern Iowa on May 15 this year. This was just as the typical struggling congestus transitioned into proper deep convection
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Wouter Mol @wbmol.bsky.social · 27/05/2026
Protesting against big university budget cuts from Austrian government, huge turnout, good to see! #UnisRetten
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Aiko Voigt @aikovoigt.bsky.social · 30/04/2026
Pre-EGU ice cloud workshop edition of 2026 about to start! 80 cloud enthusiasts will discuss all things ice and mixed-phase clouds in the next 36 hours @univie.ac.at. Thanks in particular to @blazgaspa.bsky.social and Wouter Mol for leading the workshop! klimadynamik.univie.ac.at/ice-cloud-wo...
Organizers of the Pre-EGU ice cloud workshop Blaz Gasparini and Wouter Mol in front of workshop participants at University of Vienna.
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Blaž Gasparini @blazgaspa.bsky.social · 30/04/2026
Yay, there we go! @univie.ac.at @wbmol.bsky.social
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Blaž Gasparini @blazgaspa.bsky.social · 25/04/2026
Had a lot of fun last night with our Meteo & Climate team at the LNF26!
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Wouter Mol @wbmol.bsky.social · 23/04/2026
Continuing to catch up on my photography backlog: woutermol.com/photography/... - added 3 more among which this supercell base, a storm chasing highlight in the 2024 NL season
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Wouter Mol @wbmol.bsky.social · 14/04/2026
I've overhauled my website and will now start slowly publishing my backlog of photos: woutermol.com/photography/... - starting with this fun one from almost 2 years ago
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Wouter Mol @wbmol.bsky.social · 30/03/2026
Spectacular amount of fresh snow in the east Alps last week, photos taken on Saturday morning near Unterberg - at least 40 cm of powder but hard to tell due to snow drift #winter
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Wouter Mol @wbmol.bsky.social · 22/02/2026
Working on a fun cloud simulation
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Wouter Mol @wbmol.bsky.social · 02/02/2026
Is dit een test?
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Wouter Mol @wbmol.bsky.social · 16/01/2026
Freezing fog at ~450 m ASL just west of #Wien - it will probably melt at least a bit tomorrow
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Wouter Mol @wbmol.bsky.social · 16/01/2026
Exciting!
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Wouter Mol @wbmol.bsky.social · 16/01/2026
See here ICON-D2 at the low levels for a Vienna grid point. Photos taken at 450 m ASL, roughly 970 hPa. Sounding from last night is from Hohe Warte
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Wouter Mol @wbmol.bsky.social · 16/01/2026
Impressive hoarfrost conditions in the hills of Vienna today after at least a day supercooled fog + wind
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Wouter Mol @wbmol.bsky.social · 13/01/2026
Slipping and sliding to the U4 this morning, while it was raining
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Wouter Mol @wbmol.bsky.social · 12/01/2026
#Wien
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Wouter Mol @wbmol.bsky.social · 09/01/2026
One of the more well known sausage stands in Vienna I pass on the way to work - today with fresh snow
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Wouter Mol @wbmol.bsky.social · 09/01/2026
A fresh 4 to 5 cm of snow in Vienna today
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Wouter Mol @wbmol.bsky.social · 03/01/2026
Snow showers!
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Wouter Mol @wbmol.bsky.social · 18/12/2025
I struggle connecting the signals in the right half to the correct molecule, but it works surprisingly well otherwise :)
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USA TODAY @usatoday.com · 17/12/2025
Exclusive: The Trump administration is moving to dismantle the National Center for Atmospheric Research in Colorado, according to a senior White House official, taking aim at one of the world's leading climate research labs.
bit.ly
Trump moves to dismantle major US climate research center in Colorado
The Trump administration is breaking up the National Center for Atmospheric Research, taking aim at one of the world's leading climate research labs.
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Wouter Mol @wbmol.bsky.social · 15/12/2025
Vienna in December: 0 to 5 degrees, fog or drizzle
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Bram van 't Veen @bramvantveen.bsky.social · 10/12/2025
Something exciting that I'm currently working on is adding vertical cross-sections to the ESSL Radar Displayer. And one of the more interesting phenomena that I've seen in them is debris fallout from the tops of storms with violent tornadoes. Here is an example of precisely 4 years ago today:
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Wouter Mol @wbmol.bsky.social · 17/11/2025
Back home for a week of CAPE, wind shear, large hail, and maybe a tornado or two #ECSS ⚡
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Wouter Mol @wbmol.bsky.social · 04/11/2025
Good morning: closed cell structures in altocumulus lit by sunrise
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Wouter Mol @wbmol.bsky.social · 29/10/2025
4 weken geleden al op de post! (hoop dat het aangekomen is..)
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Wouter Mol @wbmol.bsky.social · 19/10/2025
Super circumzenithal arc
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Wouter Mol @wbmol.bsky.social · 16/10/2025
Fog rolling into Vienna this early morning
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Wouter Mol @wbmol.bsky.social · 13/10/2025
Another shot from early September. Mountain goat posing just long enough :)
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Wouter Mol @wbmol.bsky.social · 05/10/2025
Clouds forming along the ridge line of Hochzinoedl, Sept 27 this year
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Wouter Mol @wbmol.bsky.social · 01/10/2025
Awesome catch!
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Robin Hogan @robinjhogan.bsky.social · 29/09/2025
So this is pretty amazing - yesterday EarthCARE sampled Hurricane Humberto straight across the eye! The eye of a tropical cyclone is small so a direct hit is rare: this is the first time EarthCARE has hit one after over a year in orbit! (Showing here also VIIRS on NOAA-20 for context.)
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