Articles

On this page you find articles I have written. I mainly write articles about the weather and climate. The difference with the blog posts is that the articles are less personal and more factual. It is written in a more scientific way and possibly more informative.

Meteorology

Hellmann number - Meteorology The Netherlands codl index The Netherlands in freezing conditions

The Hellmann Number – A Dutch Cold Index by a German Meteorologist

The Hellmann number (H) is a cold index mainly used in The Netherlands and Germany. It is a measure of ...
Snow Storm Helsinki - Blizzard Helsinki December 2022 - December Storm Helsinki

Blizzard Followed by Gulf-Effect Snow Brings 45 cm of Snow to Helsinki in December

The 12 and 13th of December 2022 were two very extreme weather days in Helsinki. The first day a true ...
Schematic overview, factors of sea-effect-snow Schematic overview, factors of sea-effect-snow Taru Olsson

Sea-Effect and Lake-Effect Snow: What Is It and How Does It Form?

Sea-effect or lake-effect snow refers to convective snowfall which arises when a very cold air mass moves over a relatively ...
Sea Ice - Coldest first week of December Helsinki

Coldest start of December in Helsinki since 1937

After a (for my standards) cold fall and a very cold end of November, the winter stepped up its game ...
Temperature graph: November 2021 ended very cold in Helsinki.

Very Cold End of November in Helsinki

The winter of 2021/2022 started early in Helsinki and Finland in general. On the 25th of November, the temperature dropped ...
What is Meteorology?

What is Meteorology?

What exactly is meteorology? Many people think that meteorology has to do with things regarding astronomy, as it is similar ...

Climate

Hellmann number - Meteorology The Netherlands codl index The Netherlands in freezing conditions

The Hellmann Number – A Dutch Cold Index by a German Meteorologist

The Hellmann number (H) is a cold index mainly used in The Netherlands and Germany. It is a measure of ...
The warmest year on record looked like this. Climate figure of the Day January

Climate Figure of the Day, January ’24

Also in 2024, we continue with our “Climate Figure of the Day” series! Every day, I’ll be sharing a climate ...
Climate barcode - record warm - record wet - the Netherlands 2023

2023: The Netherlands’ Warmest and Wettest Year on Record

2023 began in a way that perfectly foreshadowed the rest of the year. On the very first temperature measurement of ...
Snow Probability on Christmas Day (climatology 1991-2020) -White Christmas in North America - Christmas Snow Chance in US, Canada, Mexico

Chances of a White Christmas in North America: Declining Snow Cover Trends on Christmas Day

Cities and landscapes blanketed in a white layer: snowy scenes give Christmas extra charm. But how often does this picture-perfect ...
Climate Figure Of The Day - December temperatures in The Netherlands

Climate Figure of the Day, December ’23

Welcome to already the 5th edition of our “Climate Figure of the Day” series! Every day, I’ll be sharing a ...
Change in snow cover probability on Christmas Eve Europe - Changing White Christmas Europe.

Chances of a White Christmas in Europe: Declining Snow Cover Trends on Christmas Eve

The magical feeling of Christmas is often associated with a blanket of snow, transforming landscapes into winter wonderlands. But how ...

Meteorological Background

Hellmann number - Meteorology The Netherlands codl index The Netherlands in freezing conditions

The Hellmann Number – A Dutch Cold Index by a German Meteorologist

The Hellmann number (H) is a cold index mainly used in The Netherlands and Germany. It is a measure of ...
Schematic overview, factors of sea-effect-snow Schematic overview, factors of sea-effect-snow Taru Olsson

Sea-Effect and Lake-Effect Snow: What Is It and How Does It Form?

Sea-effect or lake-effect snow refers to convective snowfall which arises when a very cold air mass moves over a relatively ...
What is Meteorology?

What is Meteorology?

What exactly is meteorology? Many people think that meteorology has to do with things regarding astronomy, as it is similar ...