| Abbreviation | Definition |
|---|---|
| CAC | Computer Advisory Committee |
| CACGP | Committee on Atmospheric Chemistry and Global Pollution |
| CAEC | Center for Analysis of Environmental Change |
| CAEM | Commission for Aeronautical Meteorology |
| CAENEX | Complete Atmospheric Energetics Experiment |
| CAGM | Commission for Agricultural Meteorology |
| CALCOFI | California Cooperative Oceanic Fisheries Investigations |
| CALFIN | California Fisheries Information Network |
| CAMA | Coastal and Aquatic Managed Areas |
| CAMA | Coastal Area Management Act |
| CAMEO | Computer Aided Management Of Emergency Operations |
| CANOAA | National Academy Of Sciences- National Academy Of Engineering Science and Engineering Committee Advisory to NOAA |
| CANOAA | Science and Engineering Committee Advisory to the National Oceanic and Atmospheric Administration |
| CAOS | Center for Atmosphere Ocean Science |
| CAP | Circum-Atlantic Project |
| CAPE | Cape Kennedy Precipitation Experiment |
| CAPE | Convective and Precipitation/ Electrification |
| CAPS | Center for Analysis and Prediction of Storms |
| CARB | California Air Resources Board |
| CARD | Coastal and Arctic Research Division |