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Posts by Royal Meteorological Institute

Sunny sky with field of blue flowers

Sunny sky with field of blue flowers

Our #climate report for March 2026 is now available!

☀️ A very mild and sunny March!

🔗 Find the full report on our website:
Fr: www.meteo.be/fr/infos/act...
Nl: www.meteo.be/nl/info/nieu...

3 weeks ago 1 0 0 0
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Réduire la chaleur urbaine grâce aux toits clairs Des modifications ciblées au niveau des bâtiments et des espaces urbains peuvent réduire de manière significative l'impact des chaleurs extrêmes. C'est ce que révèlent de nouvelles recherches menées par la KU Leuven. Surtout ce qu'on appelle les "toits froids", c'est-à-dire les toits qui réfléchissent le rayonnement solaire au lieu de l'absorber, sont particulièrement efficaces. À Bruxelles, ils auraient pu prévenir jusqu'à un quart des décès liés à la chaleur pendant la canicule de juillet 2019.

Réduire la chaleur urbaine grâce aux toits clairs

Des modifications ciblées au niveau des bâtiments et des espaces urbains peuvent réduire de manière significative l'impact des chaleurs extrêmes. C'est ce que révèlent de nouvelles recherches menées par la KU Leuven. Surtout ce qu'on appelle les…

3 weeks ago 1 2 1 0
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Win een weerstation voor jouw tuin!

Het KMI (@meteobe.bsky.social) zoekt 11 locaties verspreid over België voor de WOW-BE Weather Challenge.

Heb jij de perfecte plek? Stel je kandidaat:
🔗 wowchallenge.meteo.be/index.php/77...

4 weeks ago 9 9 0 3
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🌍Today is #WorldMetDay!
Behind every forecast is a global observation network

🚀 WOW-BE is upgraded, faster & more reliable!
🎯 Join the Weather Challenge & win 1 of 11 stations
👉 Apply now:
[FR] wowchallenge.meteo.be/index.php/77...
[NL] wowchallenge.meteo.be/index.php/77...
@wmo-global.bsky.social

4 weeks ago 1 2 0 0

Eleven hottest years on record. WMO climate report: 2025 at +1.43 °C, ocean heat record for the 9th year, CO₂ at 423.9 ppm. Earth's energy imbalance tracked for the first time. Belgium's Royal Meteorological Institute contributed. #Climate @meteobe.bsky.social
🔗 wmo.int/news/media-c...

4 weeks ago 3 7 0 0
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IRM - Une nouvelle radio pour les mesures par ballon-sonde

🎈 Belgium’s RMI launches weather balloons 3x/week up to 35 km. With the new Cirrus MW51 system, data is more precise, secure, and multi-satellite powered.

Better forecasts & ozone monitoring 🌍

More info on our website:
[FR] www.meteo.be/fr/infos/act...
[NL] www.meteo.be/nl/info/nieu...

1 month ago 3 2 0 0
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✈️ Aircraft contrails can significantly affect Earth’s radiative balance. At RMI, we use satellite observations to detect contrails and estimate their radiative forcing within the EU E-CONTRAIL project.

More info on our website:
[FR] www.meteo.be/fr/infos/act...
[NL] www.meteo.be/nl/info/nieu...

1 month ago 1 1 0 1
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Registration is now open for the 5th Destination Earth (DestinE) User eXchange. Join us on 9-10 June 2026 in Brussels and online. This hybrid event brings together the growing community of users and partners involved in the EU’s DestinE initiative. Register now ➡️ destination-earth.eu/5th-destine-...

1 month ago 8 4 1 0
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IRM - Du laser au ciel : comment l’IRM détecte et analyse les panaches de sable au-dessus de la Belgique

🌫️ A plume of desert dust is currently detected above Belgium.
Laser ceilometers from the RMI in Uccle and Zeebrugge observe the dust layer between 1500 and 4000m altitude.

⏳ This episode may last until at least Tuesday.

More info:
[FR] www.meteo.be/fr/infos/act...
[NL] www.meteo.be/nl/info/nieu...

1 month ago 0 0 0 0
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IRM - Premier bilan climatologique de février et de l'hiver 2026

Our #climate reports for February and winter 2026 are now available!

🍃 A very mild and wet February and a rather dry winter

🔗 Find the full report on our website:
[FR] www.meteo.be/fr/infos/act...
[NL] www.meteo.be/nl/info/nieu...

1 month ago 1 0 0 0
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IRM - Jusqu’à 19°C ce mercredi : un pic de douceur exceptionnel pour la saison

An exceptionally mild spell is expected this Wednesday: Temperatures could reach 18 to 19°C in several regions of the country, which is unusual for the end of February, when seasonal norms are around 8°C.

More info:
[FR] www.meteo.be/fr/infos/act...
[NL] www.meteo.be/nl/info/nieu...

1 month ago 0 0 0 0

L'IRM @meteobe.bsky.social engage un.e collaborateurice pour le secrétariat de direction. (Uccle, CDI niveau B, francophone). #Météo CC @belspo.be

travaillerpour.be/fr/jobs/cfg2...

2 months ago 0 1 0 0
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IRM - Premier bilan climatologique de janvier 2026 Vers le bilan complet de janvier 2026

The #climate report for January 2026 is now available!
🔹Temperatures ranged between -3.8°C and 12.8°C
🔹74.0 mm of precipitation fell in Uccle
🔹Sunshine was very close to normal: 62h35min

🔗 Find the full report on our website:
[FR] www.meteo.be/fr/infos/act...
[NL] www.meteo.be/nl/info/nieu...

2 months ago 1 0 0 0
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RMI - Cool roofs can greatly reduce the impact of heat waves in cities

A new study conducted by @kuleuvenuniversity.bsky.social, RMI, @sciensano.be, VITO and @ucl.ac.uk, highlights the effectiveness of “cool roofs”: reflective roofs that can significantly reduce temperatures in cities.

🔗 More info on our website: www.meteo.be/en/info/news...

2 months ago 0 1 0 1

Hi! The geomagnetic storm is still active, but its intensity is decreasing. Its effects may still be visible for a few days, but this requires ideal conditions, including a perfectly clear sky, and it is expected to remain cloudy tonight across much of the country. Keep an eye on the sky ☺️

3 months ago 2 0 0 0
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Many of you observed the Northern Lights on the evening and night of 19 to 20 January.

📸 Our camera in Uccle also captured this moment between 8:55 p.m. and 10:10 p.m. 🤩

ℹ️ These Northern Lights were caused by a solar storm with an intensity of G4 on a scale of 5.

3 months ago 7 1 1 1
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IRM - Premier bilan climatologique de décembre et de l'année 2025

Our #climate reports for December and the year 2025 are now available!

🔹A very mild, dry and sunny month and the driest year in Uccle

🔗 Find the full report on our website:
[FR] www.meteo.be/fr/infos/act...
[NL] www.meteo.be/nl/info/nieu...

3 months ago 0 0 0 1
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🎄🎆 The entire team at the Royal Meteorological Institute wishes you a Merry Christmas and a Happy New Year.

🫶 Thank you for following our forecasts, analyses and observations throughout the year! ✨

ℹ️ Our administrative services will be closed from 25 December to 4 January.

See you in 2026! 💫

3 months ago 5 1 0 0
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IRM - 2025 a été une année très sèche et chaude

2025: a very warm and dry year in Belgium. As we approach the end of the year, the RMI releases a first overview of the climate in 2025, highlighting particularly remarkable atmospheric conditions.

🔗 More info on our website:
[FR] www.meteo.be/fr/infos/act...
[NL] www.meteo.be/nl/info/nieu...

4 months ago 3 1 0 0
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2025 was 𝗕𝗲𝗹𝗴𝗶𝘂𝗺'𝘀 𝗱𝗿𝗶𝗲𝘀𝘁 𝘆𝗲𝗮𝗿 𝘀𝗶𝗻𝗰𝗲 𝟭𝟵𝟳𝟲. With 620.9 mm of rain, it follows a record-wet 2024. It is also the 4𝐭𝐡 𝘄𝗮𝗿𝗺𝗲𝘀𝘁 𝘆𝗲𝗮𝗿, featuring the 𝗲𝗮𝗿𝗹𝗶𝗲𝘀𝘁 𝘀𝘂𝗺𝗺𝗲𝗿 𝗱𝗮𝘆 on record (12 Apr.). #Belgium #Climate #Weather | @meteobe.bsky.social
FR: www.meteo.be/fr/infos/act...
NL: www.meteo.be/nl/info/nieu...

4 months ago 4 4 0 0
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IRM - “Entre deux draches” : un nouveau podcast immersif au cœur de la météorologie

The Royal Meteorological Institute is delighted to support the launch of a brand new podcast dedicated to discovering meteorology: "Entre deux draches", an immersive series produced by Bruno and Loïc, two journalism students at UCLouvain.

🔗 More info on our website:
www.meteo.be/fr/infos/act...

4 months ago 4 0 0 0
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🎂Vijftig kaarsjes voor het @ecmwf.int!
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🎂Le @ecmwf.int souffle sa cinquantième bougie !

Happy birthday 🎉 !

4 months ago 3 1 0 0
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Hoe schadelijk zijn witte vliegtuigstrepen voor het klimaat? De witte strepen die vliegtuigen achterlaten in de lucht zijn minder onschuldig dan ze op het eerste oog lijken. Ze dragen bij aan de klimaatverandering.

Door het Europees project E-CONTRAIL www.econtrail.com werken we op het KMI @meteobe.bsky.social over de klimaatimpact van condenssporen. #contrails

Vandaag is er een wetenschapswinkel artikel in @standaard.be over dit onderwerp: www.standaard.be/natuur-en-we...

4 months ago 3 1 0 0
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IRM - 30 ans de mesures satellitaires grâce au radiomètre DIARAD/VIRGO

The DIARAD/VIRGO radiometer is celebrating its 30th anniversary. Thanks to its stability and longevity, it constitutes one of the world's most valuable data series for #solar observation.

More info:
[FR] www.meteo.be/fr/infos/act...
[NL] www.meteo.be/nl/info/nieu...

4 months ago 1 0 0 1
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🌅 Het kleurenpalet van de foto's in de KMI app deze ochtend 🤩

4 months ago 16 3 0 1
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IRM - Premier bilan climatologique de novembre et de l'automne 2025

Our #climate reports for November and autumn 2025 are now available!

🔹A warm, dark autumn and the first snowfall in our country

🔗 Find the full report on our website:
[FR] www.meteo.be/fr/infos/act...
[NL] www.meteo.be/nl/info/nieu...

4 months ago 1 0 0 0
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KMI - Hittestress kan sterk verschillen op meterschaal: studie toont het belang van schaduw en slimme ruimtelijke planning

Did you know that small spatial planning interventions can have a significant impact on reducing heat stress during a heatwave? Researchers from RMI, Ghent University and VITO have collaborated on a new study.

More info:
[NL] www.meteo.be/nl/info/nieu...
[FR] www.meteo.be/fr/infos/act...

4 months ago 0 0 0 1
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IRM - La Station Océanographique et Météorologique fête son 25e anniversaire

25 years of collaboration between RMI and MDK within the OMS! Today, the maritime meteorologists provide 4 daily forecasts, precise warnings and continuous support to pilots, ports and coastal authorities.

More info on our website:
[FR] www.meteo.be/fr/infos/act...
[NL] www.meteo.be/nl/info/nieu...

4 months ago 2 1 0 0

Contrails' climate impact is due to their radiative forcing, the change in energy balance. At KMI-IRM @meteobe.bsky.social we do satellite observations of the radiative forcing of contrails! This news from @esa.int shows the cooperation between EarthCARE and the E-CONTRAIL project 🛰️☁️ CC @uc3m.es

5 months ago 4 2 0 0
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IRM - Premier bilan climatologique d'octobre 2025

The #climate report for October 2025 is now available!
🔹Temperatures ranged between 4.2°C and 18.4°C
🔹83.6 mm of precipitation fell in Uccle
🔹The second darkest October on record: 46h10min

🔗 Find the full report on our website:
[FR] www.meteo.be/fr/infos/act...
[NL] www.meteo.be/nl/info/nieu...

5 months ago 3 0 0 0