The 5 color US equivalent https://en.wikipedia.org/wiki/National_Terrorism_Advisory_System https://en.wikipedia.org/wiki/National_Terrorism_Advisory_Sy... has n

The 5 color US equivalent https://en.wikipedia.org/wiki/National_Terrorism_Advisory_System https://en.wikipedia.org/wiki/National_Terrorism_Advisory_Sy... has never been on the lowest levels either, "high threat level is now considered as the "baseline.""