| SCALES OF MOTION | |||
| Scale | Size Range | Examples (Images) | Typical Duration |
| Microscale | Few Meters to 100 Meters | Dust Devil, Turbulent Eddy Behind Small Obstacles | ≤ Few Minutes |
| Mesoscale | 100 Meters to 100 Kilometers | Thunderstorm, Tornado, Canyon Wind, Sea Breeze | Few Minutes to Several Hours |
| Synoptic Scale | 100 Kilometers to 3000 Kilometers | Hurricane, Cyclone, Anticyclone | Few Days to Few Weeks |
| Global Scale | > 3000 Kilometers | Mid-Latitude Westerlies, Trade Winds, Monsoon | Seasonal to Permanent |