Fig. 1From: Multi-year assessment of the impact of ship-borne radiosonde observations on polar WRF forecasts in the ArcticLocations of radiosonde launches onboard the IBRV, Araon for a 2017, b 2018, c 2019, and d 2021. Red (blue) dots denote observation locations for the 1st (2nd) leg. Observing interval for 2017, 2018, and 2019 (2021) is 6 (12) hBack to article page