science

World Meteorological Day

World Meteorological Day is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand World Meteorological Day rather than just read about it. In short: World Meteorological Day was established in 1951 to commemorate the establishment of the World Meteorological Organization on 23 March 1950. This organization announces a slogan for World Meteorological Day every year, and this day is celebrated in all member countries.

Key takeaways

World Meteorological Day belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect World Meteorological Day to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of World Meteorological Day from memory before moving on to harder problems.

Reference excerpt

World Meteorological Day was established in 1951 to commemorate the establishment of the World Meteorological Organization on 23 March 1950. This organization announces a slogan for World Meteorological Day every year, and this day is celebrated in all member countries.

History and activities The World Meteorological Organisation (WMO), an organization of the United Nations, was created on 23 March 1950 to replace the International Meteorological Organization. It began operations in 1951 to coordinate member nations in the fields of meteorology, operational hydrology, and Earth sciences for the security of their population. The first World Meteorological Day was held on 23 March 1961.

Themes Under are a few of the themes of recent years:

Observing Today, Protecting Tomorrow (2026) Closing the Early Warning Gap Together (2025) At the Frontline of Climate Action (2024) The future of weather, climate and water across generations (2023) Early Warning and Early Action (2022) The Ocean, Our Climate and Weather (2021) Climate and Water (2020) The Sun, the Earth and the Weather (2019) Weather-ready, climate-smart (2018) Understanding clouds (2017) Hotter, drier, wetter - Face the future (2016) Climate knowledge for Climate Action (2015) Weather and Climate: Engaging youth (2014) Watching the weather to protect life and property: Celebrating 50 years of World Weather Watch (2013) Powering our future with weather, climate and water (2012) Climate for you (2011) 60 years of service for your safety and well-being (2010) Weather, climate and the air we breathe (2009) Observing our planet for a better future (2008) Polar meteorology: Understanding global impacts (2007) Preventing and mitigating natural disasters (2006) Weather, climate, water and sustainable development (2005) Weather, climate, water in the information age (2004) Our future climate (2003)

Notes and references

External links Website by the WMO to the World Meteorological Day Themes of previous World Meteorological Days

Illustrations

Worked examples

Example 1 — a first encounter with World Meteorological Day

Start with the simplest possible case. Write down what World Meteorological Day claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to World Meteorological Day before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about World Meteorological Day ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of World Meteorological Day

In research: World Meteorological Day appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses World Meteorological Day in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: World Meteorological Day is common in secondary-school and first-year university syllabi. It links to neighbouring topics Environmental awareness days, March observances, Recurring events established in 1961, so understanding it makes those chapters shorter.
In everyday life: Look for World Meteorological Day outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study World Meteorological Day in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what World Meteorological Day means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain World Meteorological Day out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is World Meteorological Day in simple terms?

Why does World Meteorological Day matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study World Meteorological Day?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on World Meteorological Day.