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14 August 2007 Example Case
The HiresW runs (WRF-ARW and particularly the WRF-NMM) provide useful guidance of a convective line sagging south on the morning of 14 August 2007.
Both HiresW runs miss the timing by several hours (too slow), but highlight the possibility of heavy rain that is absent in the NAM forecast.
Ops HiresW WRF-NMM run appears to capture event as well, but without instantaneous precipitation intensity information a direct comparison is impossible.