There are no limits* on how many Alerts that can be sent. Since the pricing is based on primarily on Group Media storage and not on individual Alerts, you never need to worry about exceeding any pre-defined quotas in an emergency or any other situation.
* While there are no limits on the number of Alerts that can be sent, CentrAlert and the Know NOW! App reserve the right to review this policy if we notice patterns of unfair or excessive use.