A watch means that conditions are favorable for the severe weather event in or near the watch area.
Actions to take once the Watch has Been Issued:
Stay alert and pay attention to the news
Ensure your NOAA weather radio is working and has plenty of battery
Be ready to move to a shelter
A warning means that a severe weather event is imminent or occurring in the warned area.
Actions to Take once the Warning has Been Issued:
Activate your emergency plan
Take shelter immediately
Tune in to local news or radio stations for additional information