Ionospheric Disturbances Associated With Typhoon Ragasa in 2025 Observed Using GNSS and Satellite Measurements
Typhoon Ragasa in September 2025 provides an opportunity to examine ionospheric responses to tropical cyclone forcing from the lower atmosphere. We combine Global Navigation Satellite System (GNSS) observations over Taiwan and Hong Kong with Himawari‐9 thermal infrared (TIR) data, COSMIC‐2 radio occultation profiles,...