Yellow Alert

When a fourth call went unanswered, the yellow alert was issued, at 8:59.

I had her on the table, just ready to give her a local when the yellow alert came through.

Apparently the yellow alert had caught him out of the shower.

How can you have a yellow alert in Spacedock?

A yellow alert would reflect an "elevated condition" and "significant risk" of a terrorist strike.

The one that says engineers are prohibited from working a double shift unless there's at least a yellow alert in effect.

As they walked out onto the shuttledeck, the ship's computer began announcing yellow alert through the intercom system.

A yellow alert was also declared for the state as significant flooding was anticipated.

A yellow alert was issued for the port of Escuinapa.

Then he remembered that the yellow alert had been rescinded only a few moments earlier.