Mike Leuthold sent a link to his daily WRF model discussions - it is from 4 August 2008 and it is just a quick, subjective, example of how bad RRS sounding data can affect the WRF model forecasts. I'll have to do two posts to get four graphics up here.----------------------------------------------------------
Top figure shows the TWC (Tucson) morning RRS sounding. This flight had a moisture sensor that was responding very slowly to changes in RH (this is my subjective guess at the problem on this flight) leading to PW contents higher than those indicated by GPS values.
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Bottom figure is radar-based rainfall estimates for the 24 hours ending at 12 UTC on August 5, 2008. The key thing to note is that the estimates indicate that the 24-hour period was very suppressed over southeast Arizona wrt convective storms.
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