Precipitation computations inside of the forecast codes is complicated, difficult, and have significant errors as you get further out in time. Also, convective precipitation, as opposed to the steady rain associated with large cool weather systems, is more difficult. So, that is the number the forecast code is putting out and that is a pretty big number over a pretty large area. I should have prefaced my original comment with "that is a pretty big number". It could be, and probably will be higher. Along the coastal regions, the NWS code is putting out 10-15 inches and the HNC forecasters think the NWS spectral code is too far east so that would argue for higher amounts in our area. I suggest listening to what the forecasters are saying on the Weather Channel or network TV.
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Originally Posted by NECHFalcon68
Tuc - how dependable is that precipitation forecast? Recently we had a storm that brought close to 4 inches in 2 hours. 5 inches over 5 days doesnt seem to be an issue.
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