Tropical Storm Lala becomes a Category 1 Hurricane south of the Big Island of Hawai`i
1-minute Mesoscale Domain Sector GOES-18 (GOES-West) Infrared Window and Visible images (above) showed Tropical Storm Lala as it intensified to a Category 1 Hurricane at 1900 UTC (GOES-18 images | NHC advisory) south of the Big Island of Hawai`i on 15 August 2026. An overlay of 1-minute GOES-18 GLM Flash Points revealed that there was no intermittent satellite-detected lightning activity until 2323 UTC on 15 August. Some RAWS sites occasionally reported wind gusts in the 50-65 mph range.