September 7, 2017 11:35 am NBC 6 Speaks With NHC Chief Specialist on Irma NBC 6’s Steve MacLaughlin spoke with Dr. Michael Brennan after the agency issued a Hurricane Watch for South Florida. US & World Videos 1:24 NHC making changes to hurricane season forecast cones 2:58 John Morales' 2023 Hurricane Season outlook 1:09 2023 Atlantic hurricane season ends 0:53 Watches issued as disturbance in Caribbean could become tropical storm 3:10 A closer look at tropical disturbance as Hurricane Season enters final month