Comparison of goes sounder tpw and guess versus gps met tpw
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Comparison of GOES Sounder TPW (and guess) versus GPS-Met TPW. For week of 20 through 26 Sep 2011, note below how the Li -version of the GOES Sounder TPW generally improves upon both the bias and RMS (vs GPS), as compared to the Ma-version. Too wet. The “old” Ma et al (1999) version.

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Comparison of goes sounder tpw and guess versus gps met tpw
Comparison of GOES Sounder TPW (and guess) versus GPS-Met TPW

For week of 20 through 26 Sep 2011, note below how the Li-version of the GOES Sounder TPW generally improves upon both the bias and RMS (vs GPS), as compared to the Ma-version.

Too wet

The “old” Ma et al (1999) version

Noisy

Less wet

The “new” Li et al (2008) version

GPS (Global Positioning Satellite)-determined Total Precipitable Water (TPW), from across the US, provided by NOAA/OAR/ESRL (S. Gutman, D. Birkenheuer, K. Holub).

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