| Abbreviation | Definition |
|---|---|
| BFB | Big Fat Balloon |
| BFE | Base Flood Elevation |
| BFT | Beaufort scale |
| BKN | Bhushan Kumar Nanu |
| BLIP | Boundary Layer Information Prediction |
| BMD | Bangladesh Meteorological Department |
| BNMS | Belize National Meteorological Service |
| BOB | Big Orange Ball |
| BODC | British Oceanographic Data Center |
| BOM | Bureau Of Meterology |
| BOMSC | Beijing Olympic Meteorology Service Centre |
| BOREAS | Boreal Ecosystem- Atmosphere Study |
| BRZ | Breeze |
| BS | Beautiful Sunshine |
| BSS | Broadband Satellite System |
| BTEM | Band-Target Entropy Minimization |
| BUE | Built Up Edge |
| BUFR | Binary Universal Form for the Representation of Meteorological Data |
| BUREC | Bureau of Reclamation |
| BWER | Bounded Weak Echo Region |