from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The study of weather conditions on a small scale, as in the area immediately around a building, smokestack, or mountain.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The portion of meteorology dealing with the observation and explanation of smallscale weather and weather forecasting for a local area up to several kilometers in diameter.
micro- + meteorology (Wiktionary)