SiteScope is disabling monitors after six skips, sending an alert, and then re-enables the monitors. The action can be found in the <SS>\logs\runMonitor.log.
Below is an example entry from the runMonitor.log:
2010-09-10 22:17:51,216 [Monitor Scheduler] (AtomicMonitor.java:1106) ERROR – SiteScope Disabling monitor: GroupName (MonitorName) exceeded maxMonitorSkips limit(6)
Below is an example email notification received: