The latest version of each weather chart available for distribution from the NWS Telecommunication Gateway on the DIFAX ® satellite broadcast system to the WSFOs is available on this server. This list is not in the order normally transmitted.
The charts are in G4 (T4) format and enveloped in TIFF for viewing.You will need an external or plug-in viewer to display the TIFF files.
A chart reference guide is provided for your information.
Products are available in the following categories:
1000 MB | 850 MB | 700MB | 500 MB | 300 MB | 250 MB | 200 MB | 100 MB |
Continental U. S. | Atlantic | Pacific |
Atlantic | Pacific |
U. S., Central America | Atlantic | Pacific |
00 hour | 12 hour | 24 hour | 36 hour | 48 hour | 60 hour |
3, 4, 5 Day Forecast | Thickness (SFC/1000 - 500 MB) | Surface/Significant Weather | Winds/Waves | 500 MB | 850 MB | Relative Humidity/Vertical Velocity | Miscellaneous |
Watch/Warning | Thunderstorm Probability/Severe Weather | Marine | Pressure Change | Observed Precipitation | Observed Temperatures |
contact: Clifford.Fridlind@noaa.gov, NWS Office of Operational Systems