The last couple of months I have been following the newsletter and activities of ICHARM i.e., the International Centre for Hazard Assessment and Risk Management. ICHARM, situated in Japan, is one of the Water Centers under the auspices of UNESCO which conduct research on water-related disasters, among others. Below is a picture from their 2021 […]
Ireland – November 2014 rainfall.
As part of my research project at Deltares, I am currently working on a flood forecasting system for Ireland and specifically the Suir river. For that, I am using re-analysis rainfall data from the Irish Meteorological Service. In the video below, you can take a look inside a flood forecasting and early warning system. It […]
A conceptual HBV hydrologic model written in R.
A while ago, I stumbled upon an interesting paper* where the authors presented a conceptual HBV hydrologic model. This model, which is basically a modification of the original HBV model developed by the Swedish Meteorological and Hydrological Institute (SMHI), takes as input the daily precipitation and temperature and turns this information in simulated streamflow. The […]
Modifying EVS source and adding the Ignorance Score.
The Ensemble Verification System (EVS) is an open-source java software tool for verifying ensemble forecasts of hydrometeorological variables. However, even though it comes with a variety of verification metrics to choose from, it lacks the Ignorance Score, a measure which I find one of the easiest to interpret and communicate to forecast users. The Ignorance […]