| Acronym | Meaning |
| N-AWIPS | National Centers Advanced Weather Interactive Processing Systems |
| FT | Forward-in-time |
| FMLA | Family And Medical Leave Act |
| PRF | Pulse Repetition Frequency |
| MPIF | Message Passing Interface Forum |
| MDCRS | Meteorological Data Collection And Reporting System |
| LIS | Lightning Imaging Sensor |
| CAL | Continental Air Lines |
| EMEP | European Model And Evaluation Program |
| M-ANL | Argonne National Laboratory |