High Clouds - Cirrostratus (Cs)
Cloud-base heights for high clouds:
| Tropical Region | Middle Latitudes | Polar Regions |
| 6-18 km | 5-13 km | 3-8 km |
- Cirrostratus Clouds - high, thin, sheet-like clouds
- produce halos around the sun/moon
- fowl weather is often 12/24 hours away
photo
by N. Atkins
