Appendix B
Abbreviations and Acronyms
4-DVAR
Four-Dimensional Variational Assimilation
ANC
Auto-Nowcast
ATA
Air Transport Association
CCFP
Collaborative Convective Forecast Product
CDM
Collaborative Decision Making
ETA
estimated time of arrival
FAA
Federal Aviation Administration
FAR
false alarm rate
GIFTS
Geosynchronous Imaging Fourier Transform Spectrometer
GPS
Global Positioning System
GPS/MET
Global Positioning System Meteorology Demonstration Network
IHOP
International H2O Project
NOAA
National Oceanic and Atmospheric Administration
NCEP
National Centers for Environmental Prediction
NRC
National Research Council
NWP
numerical weather prediction
NWS
National Weather Service
POD
probability of detection
RAPT
route availability planning tool
WSR-88D
Weather Surveillance Radar 88 Doppler