Wednesday, August 3, 2016

HRRR under-predicting temperature the last few days

HRRR Temperature Verification at KSLC and UKBKB between July 31st, and August 3rd, 2016.

The HRRR model is running an average of 3.4 degrees too cold over the last few days. Top shows the temperature observed at the SLC airport (red) and the HRRR analysis. Next is the HRRR temperature bias (HRRR-Observed)


On the other hand, the HRRR analysis for Spanish Fork (UKBKB) is much better, and is on average 1.1 degrees too warm...
 Bias:


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