These resources will teach you more about hurricane forecasting and aid in interpreting the information presented in HURREVAC.
National Hurricane Center (NHC) – Forecasts the Atlantic and East Pacific basins
Central Pacific Hurricane Center (CPHC) – Forecasts the Central Pacific basin
Joint Typhoon Warning Center (JTWC) – Forecasts the West and South Pacific, North and South Indian Ocean basins
Coastal NWS Sites
Look for Hurricane Local Statements for your local area from these sites when a storm is within 36 hours of landfall.