Watch Indication : by the NWS that, in a defined area, conditions are favorable for the specified type of severe weather (e.g., flash flood watch, severe thunderstorm watch, tornado watch, tropical storm watch)
Federal Emergency Management Agency (FEMA), State and Local Guide (SLG) 101, Guide for All-Hazard Emergency Operations Planning, Glossary of Terms and Acronyms, Washington D.C., USA 1996. http://www.fema.gov/pdf/plan/slg101.pdf, (DPrep - Amer) {1006}