Where in the world are there dangerous combinations of heat and humidity?

This code is deployed here

Copyright (c) 2024 Eamonn O'Brien-Strain All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse Public License v1.0 which accompanies this distribution, and is available at http://www.eclipse.org/legal/epl-v10.html

This is a purely personal project, not a project of my employer.