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GNSS PWV and NWP PWV

NWP (Numerical Weather Prediction) PWV (Analysis and Forecast)

 

PWV map with absolute scale (0mm-70mm)
GNSS Observation (processing) NWP Forecast (future)
RTNet Realtime PWV NOAA NCEP GFS Forecast (12h)
Realtime GPS PWV NCEP GFS 12 hour forecast

   

(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.