3 types of upper level clouds
- Cirriform- are thin and wispy and composed of ice crystals.
- Stratiform- Appear grayish sheets that caber the sky, rarely broken up into individual cloud units.
- Cumuliform- Massive, rounded with flat bases and limited horizontal extent but often billow upward to great heights.
Middle Level Clouds
- Altocumulus Clouds- indicate settled weather.
- Altostratus- Indicate changing weather.
Lower Level Clouds
- Cumulus- Puffy clouds
- Cumulonimbus- Bring storms
- Radiation fog
- Advection fog
- Upslope fog
- Evaporation fog