Weather Acronyms: Q's

Q' Quadrature
QBI Compulsory IFR flight
QFE Atmospheric pressure at aerodrome elevation (or at runway threshold)
QG An abbreviation for quasigeostrophic.
QN Question
QPF Quantitative Precipitation Forecast
QPFERD NMC excessive rainfall discussion
QPFHSD NCEP Heavy Snow Discussion
QPFPFD NCEP Precipitation Forecast Discussion
QPFSPD NMC special precipitation discussion
QSTNRY Quasistationary
QUAD Quadrant
QUE Quebec