I have to wonder how much of that is the "GRR Effect" via conference/coordination calls, lol. Wrt the underlined portion, the most classic one of those scenarios here from GRR was the 1/29/19 PV storm. After 8.8" and 4 hours of legit bliz conditions from the system itself all under a WWA, they then issued a Warning for the follow-on LES which delivered a whopping 0.5" to most of Calhoun.
And to be clear, that map they posted above is misleading as it implies the entire CWA got a warning event, when it could be one single county in the CWA and that qualifies to "reset the clock".
Aside from the bogus upgrade mentioned above, and the "false warning" of 1/12/2020 (ice storm that never materialized), I just went 1101 days between legit Warnings here in central Calhoun. During that time there were 2 or 3 storms that met warning criteria easily, no question. But, the office prematurely went WWA and just let it ride. Some (20) WWA's to get to Monday's last-minute upgrade. Remember, this is the office that actually issued a WWA for GHD-2 (verified 18-20" monster storm) before correcting themselves again last-minute.
PS- I love my office