NWP (Numerical Weather Prediction) PWV (Analysis and Forecast)
| PWV wirth absolute scale (0mm-70mm) | |
| GNSS Observation (processing) | NWP Forecast (future) |
| RTNet Realtime PWV | NOAA NCEP GFS Forecast (12h) |
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(Left) The real-time PWV (with latency of 1~2 minutes) product in Japan is used for multiple organizations for weather forecast service.
(Right): 12 hour forecast of NOAA NCEP GFS PWV (NOAA NCEP GFS). We provide GNSS PWV comparison system as optional service.
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