Peter Kalverla

15 posts

Research Software Engineer focused on climate science, weather modeling, and open data.

Git11 Climate9 RSE7 Community6 Collaboration5 Python5 FAIR4 Workflows4

Dec 5, 2025

A special gift (December 5th)

Ode to the research software engineer 8 > Sinterklaas is a Dutch tradition featuring Saint Nicholas, who is said to arrive from Spain with his helpers and travel across rooftops to deliver small gifts...

Aug 28, 2025

5 tips for writing a successful eScience Center proposal

22 Over the years, we’ve worked on a wide range of collaborative projects through our open calls. The most successful ones? They tend to have a few things in common right from the proposal stage. Here...

Dec 10, 2024

Amsterdam as seen by a weather model

Visualizing local climate zones in 3D with the Cityblocks package What sets a weather model apart from a video game? While video games prioritize stunning visuals over strict realism, weather models f...

Sep 5, 2024

(Un)wieldy workflows with WRF

(Un)wieldy workflows with WRF Streamlining experiments with the Weather Research and Forecasting model The Weather Research and Forecasting model, WRF for short, is a beautiful piece of research softw...

Jun 21, 2024

Henry, the City Tweaker

Imagining the future of urban planning 5 > This blogpost is our (winning 🎉) submission to Destination Earth’s challenge to envision the future use of their platform. The story is set in 2050, when “u...

Nov 21, 2023

Cracking the (moisture) tracking code

An exclusive interview with our project partners This post is part of a series on our 2021 Small Scale Initiative Call in Software Performance Optimization. This week’s highlight: “Optimizing tracking...

Oct 5, 2023

Analysis-ready climate data with ESMValCore

The “Easy IPCC” blog done differently Co-authored by Bouwe Andela In a recent blog post, Tom Nicholas presented a nice walkthrough of reproducing a famous IPCC figure with xarray-datatree. Here, we at...

Sep 11, 2023

ESMValTool: Recipes for solid climate science

ESMValTool: Recipes for solid climate science This story was coauthored by Peter Kalverla and Bouwe Andela Like an artisan chef can improvise a delicious meal, so too can a scientist create new insigh...

Aug 21, 2023

Lilio — a calendar package for machine learning with time series data

Designed with the S2S community, available for everyone These are just some of the questions that scientists in the field of sub-seasonal to seasonal (S2S) weather and climate prediction have to deal...

Mar 9, 2023

eWaterCycle: Anecdotes of a FAIR expedition

The journey of a group of hydrologists and research software engineers after FAIRer research software. A grand challenge This story begins in April, 2019. A group of hydrologists and research software...

Feb 21, 2022

Storyboards for science communication

A modern publication format for the hybrid metaverse Originally used by movie directors, a storyboard consists of a series of images that, together, form a story. In the European Climate Prediction s...

Sep 21, 2021

Pandemic-proof: shaping the future of scientific exchange

The 2021 (virtual) meeting of the European Meteorological Society started off with the collaborative Future Science Cafe. Inspired by the rapid developments in remote collaboration forced upon us by t...

Sep 20, 2021

Plotting gridded data on a web map: Python and/or Javascript?

But what if you want to plot your own data? While there are many resources on how to use existing tile or web-map services, I struggled to find out how to make my own. Eventually, I found a nice examp...

Mar 25, 2020

6 months of eScience: 6 lessons worth sharing

On the road towards FAIR and reproducible science. Ever find yourself hesitating to send that important email, cursor hovering over the send button? For me, it’s grown into a curious habit. I particul...

Dec 11, 2019

Between pencil and paper

How artistic elements can enrich scientific writing I did a similar thing with figures. Matplotlib has this awesome package that let’s you render all plots in a sketchy style, as shown below. Example...

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