Actually, a numeric level like the US military’s ‘DEFCON’ level would make the most sense. That way you don’t have to memorize which color is more severe.
Except that exactly half the population gets the defcon level direction wrong.
33 posted on 01/27/2011 2:56:12 PM PST by Oztrich Boy
(History repeats itself, first as tragedy, second as farce - Karl Marx)