|
| Observing Platform | Observation Type | Average Frequency of Data
(varies by individual platform ID and data type) | Temporal/Geographical Coverage
(each dot represents a 3° box containing one or more observations) |
|---|
| Aircraft | Upper Air- Temp drop data
- AIREP data
- AMDAR data
- ACAR data
| - 1 to 12 per minute
- 1 to 51 per hour
- 1 to 20 per day
- 1 to 6 per week
- 3 to 4 per month
| 0-ª*- to 2002-01-07
 |
| Bogus | Upper Air | - 1 to 2 per minute
- 3 to 48 per hour
| 0-ª*- to 2002-01-07
 |
| Drifting Buoy | Surface | - 1 to 24 per hour
- 1 to 20 per day
- 2 to 6 per week
| 0-ª*- to 2002-01-07
 |
| Land Station | Surface- Synop land data
- Synop land (auto) data
| - 1 to 4 per minute
- 1 to 51 per hour
- 1 to 20 per day
- 1 to 6 per week
- 3 to 4 per month
| 0-ª*- to 2002-01-07
 |
Upper Air- Pilot land data
- Temp land data
| - 1 to 2 per minute
- 1 to 51 per hour
- 1 to 20 per day
- 1 to 6 per week
- 3 to 4 per month
| 0-ª*- to 2002-01-07
 |
| Roving Ship | Surface- Synop ship (abbreviated) data
- Synop ship data
- Synop ship (auto) data
- Synop ship (reduced) data
- Surface bathy oceanographic data
- Surface tesac oceanographic data
| - 1 to 3 per minute
- 1 to 51 per hour
- 1 to 20 per day
- 1 to 6 per week
- 3 to 4 per month
| 0-ª*- to 2002-01-07
 |
Upper Air- Pilot ship data
- Temp ship data
| - 1 to 4 per hour
- 1 to 20 per day
- 1 to 6 per week
- 3 to 4 per month
| 0-ª*- to 2002-01-07
 |
| Satellite | Surface- Geostationary radiances
- SSMI brightness temperatures
| - 1 to 4 per second
- 9 to 24 per minute
| 1982-05-21 to 2002-01-07
 |
Upper Air- ATOVS 1C ECMWF-calibrated data
- ATOVS data
- Envisat GOMOS data
- Satob wind data
- Satob wind and temperature data
- WMO_BUFR:98-0:003.086
- High-density winds
| - 1 to 5 per second
- 1 to 51 per minute
- 1 to 51 per hour
- 2 to 16 per day
- 1 to 2 per week
| 0-ª*- to 2002-01-07
 |
| Wind Profiler | Upper Air | - 1 to 2 per hour
- 1 to 20 per day
- 2 to 5 per week
| 0-ª*- to 2002-01-07
 |
