National Weather Service "Action" Advisories

Advisories are issued to provide the public guidance on developing weather conditions that are hazardous to life and property.

Watch --  Meteorological conditions are favorable for the given hazardous weather event to occur across a general (specified) area and during a broad (specified) time frame.  Persons in the watch area should be aware of developing hazardous conditions and should be prepared to take immediate protective action should the conditions develop.

Warning --  The given hazardous weather event has been observed and is approaching your area.  Take immediate (specified) action.

Enhanced Wording Warnings: Hurricane Katrina and Greensburg KS Tornado

Some Examples

Red Flag -- conditions favorable for rapid spread of forest, brush or range fires.

Severe Thunderstorm

Hurricane

Tornado

Flash Flood