first alert weather December 19, 2024 12:21 pm Why was it so foggy in South Florida today? Meteorologist Adam Berg explains Fog advisories were issued Thursday morning in parts of South Florida and many people were wondering what caused the thick fog. US & World Videos 1:28 NBC6 First Alert forecast – Dec. 21, 2024 evening 2:51 NBC6 First Alert forecast – Dec. 21, 2024 morning 1:17 NBC6 First Alert forecast – Dec. 20, 2024 evening 2:56 NBC6 First Alert Forecast – Dec. 20, 2024 – Morning 3:25 NBC6 First Alert Forecast – Dec. 19, 2024 – Morning