danielwAdministrator
(Moderator)
Thu Aug 04 2011 11:07 AM
Re: Emily Moving West Northwest

Tropical Storm Watch:
An announcement that tropical storm conditions (sustained winds of 39 to 73 mph) are possible within the specified area within 48 hours.

Tropical Storm Warning:
An announcement that tropical storm conditions (sustained winds of 39 to 73 mph) are expected somewhere within the specified area within 36 hours.

http://www.nhc.noaa.gov/aboutgloss.shtml