1.   Cloud cover information will be incorporated into the new map which also highlights more cities.

2.   This new size permits the insertion of cloud cover information, previously a separate map, and the addition of many new cities.

3.   This new size permits the insertion of cloud cover information and the addition of many new cities.

4.   An international network of nine volcano hazard offices analyzes eruption and ash cloud information collected automatically by satellites and ground-based sensors as well as pilot reports.