| Data Platform | Operational Upper Air Network |
| Description | Special sondes were launched by NWS at Quillayute, Washington, and Salem, Oregon, at 3-hourly intervals by special request from IMPROVE-1 PIs during IOPs. The data from these special launches was included in the standard operational upper-air data sent out by NWS. This archive contains not only those special sondes, but also all upper air network sondes worldwide for the entire IMPROVE-1 field study period. |
| Location(s) | Worldwide |
| Operators | n/a |
| Data Format(s) | Text, WMO coded upper-air format |
| Software | ua; sond or garp (if converted to GEMPAK) |
| Data Location(s) | /home/disk/wrf1/improve1/operational_sondes |