
How cold is it up there? Temperature vs altitude, anywhere
Temperature vs altitude, anywhere on Earth, from real weather data: ground cross-section from A to B, vertical air profile, mean-gradient map. Inversions detected and explained, ± uncertainty shown. Bilingual, no account, no ads. Free trial, then €0.99 once.
Altihélie provides real-time temperature data relative to altitude across the globe, featuring ground cross-sections, vertical air profiles, and mean-gradient maps. The app includes inversion detection and uncertainty metrics, is bilingual, and offers a free trial followed by a €0.99 subscription.
A source that found nothing is a measurement. A source that has not run is a gap. Neither means the launch lacks the thing.