22 tropical cyclone alerts in a week, a first for Tonga Met

In the span of one week, Tonga experienced a rare occurrence of four extreme tropical weather systems, one after another passing through the group, when Tonga Met issued 22 six-hourly tropical cyclone alerts and seven three-hourly tropical cyclone warnings, over a record six days and 16 hours, between 2pm on 6 February to 6am on 13 February.