An NWS product indicating that a particular hazard is possible, i.e., that conditions are more favorable than usual for its occurrence. A watch is a recommendation for planning, preparation, and increased awareness (i.e., to be alert for changing weather, listen for further information, and think about what to do if the danger materializes).
WATCH
Meaning of WATCH in English
A comprehensive English glossary of weather. Полный английский глоссарий погоды. 2012