Assess tornado and wind damage with this tool that simplifies the Enhanced Fujita (EF) Scale. Follow on-screen prompts to select damage indicators and degrees of damage, then adjust for construction variability to estimate wind speeds.




10+ similar apps compared and reviewed
PM2.5 台灣空氣品質 is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.




Assess tornado and wind damage with this tool that simplifies the Enhanced Fujita (EF) Scale. Follow on-screen prompts to select damage indicators and degrees of damage, then adjust for construction variability to estimate wind speeds.



Visualize the moon's appearance for any given day and track its monthly phase changes. Enjoy calming music accompanied by moon imagery. Offers a premium tarot reading service.





Visualize Earth in 3D and track the aurora borealis with real-time data and forecasts up to three days ahead. Includes an aurora compass, star maps, and satellite tracking.


This app provides real-time weather data, including temperature, wind, and rainfall, alongside advanced lightning detection up to 30 miles. Access detailed historical and current weather information through an intuitive interface.


Explore the Beaufort wind force scale with this straightforward and engaging guide. Understand wind conditions through visual descriptions and clear explanations.


Track lunar cycles with detailed phase information, moonrise/moonset times, and cultural full moon names. Offers customizable widgets and event notifications for astronomical occurrences.


This app provides real-time PM2.5 air quality information across Taiwan. It features color-coded levels for easy understanding, customizable site types, and intuitive zoom and click functions for detailed historical data. Stay informed about air quality trends with this user-friendly tool.


View the Earth from space with up-to-date satellite imagery updated every 30 minutes. Create animated films from the latest pictures and explore different regions of the globe. Compatible with iPhone, iPad, iPod touch, and Apple Watch.


Explore a vast encyclopedia of weather phenomena, from climate change and forecasting to historical events and safety tips. Learn about the creation of weather, different climate zones, and celestial influences with detailed explanations, graphics, and a comprehensive glossary.


Provides comprehensive nautical weather information for major seas, including forecasts, maps, and NAVTEX messages. Enhanced with open data for professional planning and navigation, it offers offline access and specialized tools for mariners.