Sky Blue to the rescue!
One of the best things about working with OpsMgr is the amazing amount of free resources made available by the System Center community. The excellent 'Sky Blue' management pack from Charles Champion (Premier Field Engineer at Microsoft) is an example of one of these community resources and this is a management pack you definitely want to deploy to help you with your alert tuning and management processes.
As you learnt earlier in the Working with alerts generated by monitors section, it's a bad idea to close alerts generated by monitors without resolving the original problem or creating an override for it. The reason for this is that the health state of the monitor stays unhealthy and the alert that notified you of the change in state is now missing from the console. This is a common scenario that we come across on customer sites and one that the Sky Blue management pack will quickly remediate.
This basic (but very useful) management pack protects against accidental...