Company Grade Weather

An Uncommon Air Force Slang for "really fucking bad weather" thunderstorms,high winds or 0 visibility in the sky for miles used as a joke to new pilots who haven't only experienced calm to lighty moderate weather and not the full force of mother nature but rarely said as it was a injoke for a long time.

New Pilot: goddamn that was some mean turbulence dude
Experienced Pilot : man this aint shit you should have seen me and my last Wingman in "Company Grade Weather"