iiinova — where your digital self keeps evolving

Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 08/10/2026

New paper published in @agu.org's GRL by Klingebiel and colleagues #AC3 Arctic cold air outbreaks generate distinct cloud patterns, from organised streets to open cells. Our study reveals that both wind-driven and buoyancy-driven instability jointly determine these regimes. doi.org/10.1029/2026...

The Picture shows a so-called cold air outbreak (taken from Nasa Worldview on 17 March 2024).

White ice covered land masses top and right of the image, complemented by streaks of scattered clouds from north to south (which cover most of the rest of the image)

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 10/09/2026

How does rain and storm dynamics in the tropical Atlantic interact with the ocean? Near-inertial responses to atmospheric disturbances enhanced mixing near the base of the ocean mixed layer, impacting SST and redistributing salt and nutrients. journals.ametsoc.org/view/journal... @maxplanck.de

Summary of activities during the cruise (BOWTIE campaign). Top panel: Blue colours mean precipitation in the background, with a black line for the ship track and pink lines and triangles for other instruments (eg satellite tracks). Bottom panel: Blue dots with dashed line, eg for radiosonde launch locations.

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 10/09/2026

We can actually measure the frequency of insect concentration in the air by radar. Fascinating stuff, now published by an interdisciplinary team at our institute and beyond: ieeexplore.ieee.org/document/115... @jquaas.bsky.social @idiv-research.bsky.social @vogelwarte.bsky.social

Histograms of maximum daily insect concentration at 150, 250, 500, and 750 m above ground derived from the three radars.

Four panels with blue bars primarily on the left of the x axis. Green and reddish bars to the left with the latter spreading also to the right of the x acxis. 150m above ground at top and 750m above ground at the bottom.

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 22/07/2026

New paper alert ‼️ Changes in atmospheric circulation patterns are - to a large part - responsible for the observed summer drought trend in Europe since 1980. The exact cause for these shifts remains uncertain. www.nature.com/articles/s41... Uni press release: www.uni-leipzig.de/en/newsdetai...

three panels with yellow and blue colours for soil moisture trends. mostly yellow for the total change in the top panel. light yellow changes in the bottom left panel for thermodynamics. some blue in the north and south but yellow in western and central parts in the bottom right panel for dynamics.

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 01/06/2026

Our institute will contribute with talks, a panel and a get-together on Thursday. Be part of the action! 🫵

red and white text which says 'Science against fascism' with an Actiion day on Thursday 4 June, starting at 3pm in Beckmann Lecture hall in Brüderstrasse 34

red and white text which says 'Science against fascism' with the concrete program, starting with a welcome at 3pm and three talks, followed by a panel at 4:45pm.

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 01/06/2026

Check out all the events in Leipzig during this weeks "Aktionswoche gegen Rechts" Initiated and organized by wissenschaft-gegen-faschismus.de/index.php/ve... There is also an online program provided by various Universities and institutions across Germany

Pink leaflet with Program notes for every day from Tuesday to Friday this week. Put 'Leipzig' in the search bar to find out more: https://wissenschaft-gegen-faschismus.de/index.php/veranstaltungen/

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 24/04/2026

Great community effort once again! The key metrics for 2025 in a nutshell: - Human-induced warming almost 1.4°C - Warming rate is 0.27°C per decade (2016-2025) - Earth energy imbalance is 1.2 W/m2 (2016-2025) Fig 15 with the key numbers compared to AR6 (2021)

Overview panel with boxes showing current numbers for all relevant cllmate metrics compared to 5 years ago. Schematic drawing with human emission sources in the backdrop surrounded by a light blue sky.

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 17/03/2026

Reflections from the 'Make Our Planet Great Again program': "In the current political landscape of scientific suppression and heightened mistrust in scientific expertise, the need for bold, independent and collaborative scientific initiatives is greater than ever" journals.plos.org/climate/arti...

Circular panel with text boxes and an illustration of the planet in the middle. In the centre, a panel of negotiators.

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 09/03/2026

New paper out in @ioppublishing.bsky.social : One specific southerly-flow regime accounts for the vast majority of heatwave days in Western Europe. Also, 70% of the observed ‘excess’ warming (relative to global mean) is attributed to an increase in this ... (1/2) iopscience.iop.org/article/10.1...

Number of heatwave days per summer identified based
on the criterion of at least 3 consecutive days with SAT exceeding the 90th percentile over at least 30% of Western Europe, coloured by the corresponding RMM-VAE regime

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 09/02/2026

Radiation measurement equipment next to a photo-voltaic site, used to obtain the results. Photo credit: Jonas Witthuhn

White shield from a temperature sensor and radiation measurement equipment on a pole near a PV farm surrounded by green grass.

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 09/02/2026

News from the EU and state funded ESF project “Improving the Performance Forecasting of Photovoltaic Systems to Support the Energy Transition and Investigating Aerosol–Cloud Interactions” (PV-WOW), led by Prof. Dr. Kalesse-Los and PD Dr. Tesche ... (1/3)

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 15/01/2026

New exciting paper out: @klimapeter.bsky.social et al identify the dynamic and thermodynamic contributions to NH mid-latitude summer warming in reanalysis (ERA5) and models (CESM2). wcd.copernicus.org/articles/7/8...

panel with dynamic and thermodynamic warming contributions. top the combined, 5x left the dynamic and 5x right the thermodynamic chnage over the last 50 years (estimated with 4 different methods). red and blue colour for positive and negative contributions. Hot spot for extra warming from circulation changes is Europe

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 30/12/2025

"In 2025, extreme weather events continued to occur at concerning levels. [They] demonstrate the growing risks already present at 1.3°C of anthropogenic warming and reinforce the urgent necessity of accelerating the transition away from fossil fuels." www.worldweatherattribution.org/unequal-evid...

Rank of 2025 with respect to the 1995-2024 climatology. Rank 31 (purple) means it was the hottest year on record, rank 1 would mean it is the coldest in the last 30 years.

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 01/10/2025

Now we have something nice and intuitive to better explain air quality, pollution, or dimming and brightening to the wider public. Awesome work! #SciComm airqualitystripes.info/stripes/?con...

Yellow and red stripes with white vertical line to demonstrate the temporal evolution of aerosol pollution in Germany. Blueish stripes since 2019 on the very right side of the plot.

Yellow and red bars with two dashed grey vertical lines to show where very poor air quality begins (upper) and what the actual WHO guideline is (lower). Blueish bars since 2019 on the very right side of the plot.

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 10/07/2025

A different way to illustrate attributable mortality is presented by this brilliant graph from @correctiv.org correctiv.org/spotlight-ne... Detailed methods and results are provided here: www.imperial.ac.uk/grantham/pub... #RapidAttribution #ClimateCrisis #Heatwave

Map of Europe with circles showing the percentage of attributable deaths in dark red.

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 20/06/2025

Lange Nacht der Wissenschaften in #Leipzig mit einem Bouquet an interessanten Veranstaltungen am Institut für Meteorologie (Stephanstr. 3) von 18 bis 23 Uhr #Science www.wissen-in-leipzig.de/programm/loc...

White text with information about the nightly program at the institute with blue-red background (according to the design language of the event)

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 19/06/2025

All the updates re global climate (temperature, forcing etc) you need to know! ⚠️ essd.copernicus.org/articles/17/...

figure with all the key numbers in white or red boxes overlaid on a graphical schematic of the contributing industires.

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 04/06/2025

Interesting new paper on low-frequency variability in the Pacific. Aerosol-induced Northern Hemisphere dimming/brightening appears the main driver (Panel D). Rather uniform linear changes from GHGs as expected (Panel B). The remainder (Panel F) resembles the IPO (Interdecadal Pacific oscillation).

Figure with 3 Panels for tide gage changes on the left and 3 panels with the associated low frequency components.

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 14/05/2025

The trend is indeed a wee bit upward 📈 The authors also warn that "our capability to observe the Earth's energy imbalance and budget terms is threatened as satellites are decommissioned". Daring times #ClimateCrisis

Graph with orange line for annual means of the imbalance with blue trend line on top. Grey bars are added vor years with an El Niño.

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 15/04/2025

Europe as a whole has warmed about 2.5°C already. And the trend is only going to continue up. Unless we drastically cut our carbon emissions #ESOTC2024 #C3S Full report: bit.ly/427BzqJ @wmo-global.bsky.social @copernicusecmwf.bsky.social

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 10/01/2025

It's official now: 2024 first year to pass the 1.5°C global warming limit (temporarily) 🔥 www.bbc.com/news/article...

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Leipzig Institute for Meteorology @meteoleipzig.bsky.social · 16/11/2024

eventually, a colder Antarctic continent is saving us from even wylder global near-surface temperature deviations this month www.karstenhaustein.com/climate

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