National Weather Service United States Department of Commerce
 

Threat Awareness With Regard to Your Vulnerability To A Hazard

An Extreme Threat to Life and/or Property - an extreme threat should be factored into your daily plans according to corresponding preparedness information.  Keep continuously informed to the latest threat situation.  Thoroughly review associated safety rules, keeping them accessible at all times.  
A High Threat to Life and/or Property - a high threat should be factored into your daily plans according to corresponding preparedness information.  Keep continuously informed to the latest threat situation.  Thoroughly review associated safety rules, keeping them accessible at all times.  
A Moderate Threat to Life and/or Property - a moderate threat should be factored into your daily plans according to corresponding preparedness information.  Keep frequently informed to the latest threat situation.  Thoroughly review associated safety rules.
A Low Threat to Life and/or Property - a low threat should be factored into your daily plans according to corresponding preparedness information.  Keep increasingly informed to the latest threat situation.  Review associated safety rules.

A Very Low Threat to Life and/or Property - a very low threat should be factored into your daily plans according to corresponding preparedness information.  Keep occasionally informed to the latest threat situation.  Review associated safety rules.  

No Discernable Threat to Life and Property - continue with your daily plans as scheduled.