Severe Thunderstorms: Watches vs Warnings

A severe thunderstorm is forecast for the New York City area on Monday afternoon. In addition to lightning, it could bring strong winds, heavy rain, hail, and the possibility of a tornado. Simply put, this is the type of weather that can cause property damage and loss of life. Therefore, it is important to understand the difference between the various alerts issued by the National Weather Service. They include advisories, watches, and warnings.  All should be taken seriously.

  • Advisory: Issued when significant, but not necessarily hazardous, weather conditions are likely to occur. Residents should exercise caution.
  • Watch: Issued when dangerous weather conditions are possible over the next several hours.  They generally cover a large geographic area.  Residents should be prepared to take action.
  • Warning: Issued when dangerous weather is imminent or already occurring.  They cover a smaller, more specific geographic area.  Residents should take action immediately.