"advisory" - an individual should be aware of potentially severe weather.
"watch" - an individual should prepare for potentially severe weather.
"warning" - an individual should take immediate action to protect themselves and others from potentially severe weather.
Severity of alert.
"advisory" - an individual should be aware of potentially severe weather. "watch" - an individual should prepare for potentially severe weather. "warning" - an individual should take immediate action to protect themselves and others from potentially severe weather.