Last week I posted about some unusual splitting of grapes at the end of July. After a bit of research, we have come to the conclusion that damage was caused by hail.
The following evidence points to hail:
-the damage was not there on Thursday (7/25), but was very apparent on Saturday (7/26).
-the weather system that passed by the vineyard had echos greater than 60 dbz (this is often an indication of hail.)
-upon searching for grape damage from hail, I found the following blog with nearly identical damage that I saw http://www.notavivavineyards.com/weblog/archives/2008/07/hail_damage.html
-nearly all the damage was on the exposed side of the grape bunches.
I'm hopeful that the damage occurred early enough that the affected berries will just dry up, and not be a vector for disease. The limited research I have performed points to that idea. Now I need to hope for good ripening weather.
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