ABL	atmospheric boundary layer
AGL	above ground level
ARW	advanced research weather research and forecasting
BVLOS	beyond visual line of sight
GFS	global forecast system
GH	Global Hawk
GPU	graphical processing unit
NCL	NCAR command language
NTC	negative temperature coefficient
NWP	numerical weather prediction
SMARTSonde	Small Multifunction Autonomous Research and Teacher Sonde
sUAS	small unmanned aerial system
SUMO	Small Unmanned Meteorological Observer
UAV	unmanned aerial vehicle
UTC	universal time coordinated
WRF	weather research and forecasting (WRF)