3D-Var – Three-Dimensional Variational
4D-Var – Four-Dimensional Variational
ACD - Atmospheric Chemistry Division
ACME – Airborne Carbon in the Mountain Experiment
AFWA – Air Force Weather Agency
AMMA – African Monsoon Multi-disciplinary Analysis
ARW – Advanced Research Workshop
BAMEX - Bow Echo and Mesoscale Convective Vortex (MCV) Experiment
CAPS - Center for the Analysis and Prediction of Storms
CCSM - Community Climate System Model
CGD - Climate and Global Dynamics Division
CME – Carbon in the Mountains Experiment
CSU/CIRA – Colorado State University/ Cooperative Institute for Research
in the Atmosphere
DART – Data Assimilation Research Testbed
DTC – Developmental Test Center
DYCOMS-II – Dynamics and Chemistry of Marine Stratocumulus
EnKF – Ensemble Kalman Filter
EOL – Environmental Observing Laboratory
ESMF – Earth System Modeling Framework
ESSL – Earth and Sun Systems Laboratory
FAA - Federal Aviation Administration
FSL - Forecast Systems Laboratory
GEWEX – Global Energy and Water cycle Experiment
GCSS – GEWEX Cloud Systems Study
GPS – Global Positioning System
HAO - High Altitude Observatory
HATS – Horizontal Array Turbulence Study
HIAPER - High-performance Instrumented Airborne Platform for Environmental
Research
JCSDA – Joint Center for Satellite Data Assimilation
LES – Large-Eddy Simulation
MIRAGE - Megacity Impacts on Regional and Global Environments
MJO – Madden Julian Oscillation
MM5 - Fifth-generation Mesoscale Model
MMM – Mesoscale and Microscale Meteorology
NASA - National Aeronautics and Space Administration
NCAR – National Center for Atmospheric Research
NCEP - National Centers for Environmental Prediction
NRCM – Nested Regional Climate Model
NOAA - National Oceanic and Atmospheric Administration
N2O– Nitrous Oxide
NRL - Naval Research Laboratory
NSF – National Science Foundation
NWP - Numerical Weather Prediction
NWS - National Weather Service
OHATS – Ocean Horizontal Array Turbulence Study
OSSE – Observing System Simulation Experiments
PBL – Planet Boundary Layer
QPF - Quantitative Precipitation Forecasting
RAL – Research Applications Laboratory
RICO – Rain in Cumulus over the Ocean
SPC - Storm Prediction Center
STERAO - Stratosphere-Troposphere Experiments: Radiation, Aerosols, and Ozone
THORPEX – The Observing System Research and Predictability Experiment
TIMES – The Institute for Multidisciplinary Earth Studies
USWRP – US Weather Research Program
UV – Ultraviolet
U.Wisc. – University of Wisconsin - Madison
WMO – World Meteorological Organization
WRF – Weather Research and Forecasting
WRF-Chem – Weather Research and Forecast coupled with chemistry
WWRP – World Weather Research Program