The natural assumption is more Hurricane Hunter data should improve hurricane forecasts, but that's not always the case. In fact, researchers found a degradation in overall forecast skill of the operational GFS during the 2017-2019 seasons when G-IV dropsondes were added 📉 (1/6) pic.twitter.com/EIkTGVNAYi

— Michael Lowry (@MichaelRLowry) May 9, 2024