Weather Underground / HeavyWeather Uploader, commonly WUHU, is a free software package for Microsoft Windows which allows users with Personal Weather Stations to contribute weather data to one of several networks, including: * Weather Underground (wunderground.com) * Citizen Weather Observer Program (also known as CWOP) * WeatherBug * * * It can collect data from multiple models of weather stations from La Crosse Technology, , and Oregon Scientific.