This Bulletin describes a small but very significant bug fix made to the RUC for the 1200 UTC run on Wed 7 April. Significant-level temperature and dew-point raob data had not been getting into the RUC, and worse, linearly interpolated values of T/Td between mandatory levels from raobs had getting forced into the RUC. This bug was related to a different order of raob data at NCEP vs. that at FSL. Significant-level wind data had been used correctly. ACARS data and other data sets also had been used correctly.


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National Weather Service