Articles | Volume 12, issue 1
Atmos. Meas. Tech., 12, 345–361, 2019
https://doi.org/10.5194/amt-12-345-2019

Special issue: Advanced Global Navigation Satellite Systems tropospheric...

Atmos. Meas. Tech., 12, 345–361, 2019
https://doi.org/10.5194/amt-12-345-2019

Research article 18 Jan 2019

Research article | 18 Jan 2019

4DVAR assimilation of GNSS zenith path delays and precipitable water into a numerical weather prediction model WRF

Witold Rohm et al.

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Latest update: 28 Feb 2021
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Short summary
Assimilation of satellite navigation data into a popular weather model is yet another example of how to turn non-meteorological data into valuable information about the current state of the troposphere. Results show that observations from ground-based GPS receivers can improve humidity and rain forecasts in most severe weather events. It is another reason to extend the adoption of GPS data into weather forecasting across Europe.