Whenever a tropical cyclone (a tropical depression, tropical storm, or hurricane) or a subtropical storm has formed in the Atlantic or eastern North Pacific, the NOAA National Hurricane Center (NHC) issues tropical cyclone advisory products at least every 6 hours at 5 am, 11 am, 5 pm, and 11 pm EDT. Similarly, the Central Pacific Hurricane Center (CPHC) issues tropical cyclone advisory products for the central North Pacific at least every 6 hours at 5 am, 11 am, 5 pm, and 11 pm HST. When coastal tropical storm or hurricane watches or warnings are in effect, the NHC and CPHC issue Tropical Cyclone Public advisories every 3 hours. You can find these products on www.hurricanes.gov for the Atlantic and eastern North Pacific or www.weather.gov/cphc for the Central Pacific; on TV, radio, and cell phones; and NOAA Weather Radio. Information on NWS tropical cyclone watch, warning, advisory, and outlook products is detailed below. For more details on all NHC products, see the National Hurricane Center Product User’s Guide. Storm information and forecasts specific to your local area can be found from you local Weather Forecast Office (WFO) through www.weather.gov.
