Saturday, March 23, 2013

How Did 72-Hour NAM Forecast Do?

The NAM 72-hour forecast of radar echoes valid for 1200 UTC this morning (Saturday March 23rd) is shown above in the middle graphic. The 1145 UTC WV satellite image is at top and the regional radar at 1220 UTC is just above. The model had the right idea but was off some in space, with the verifying storms to the south and southeast over northern Alabama and Georgia. Model forecast was too strong also, but all-in-all not too bad for a three day forecast.

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