Tallied up the amount of storms that are too north, too south, and misses (under 6in across NOVA).
0z
5 Maxes to the south
14 Maxes to the North
3 Misses North; 1 Miss South
12z
5 Maxes to the South
15 Maxes to the North
9 Misses North
Unfortunately the data pretty strongly reflects the assumption that the probability decrease is caused by mixing concerns. Lets hope for future runs that 9 misses north comes down.