An hour after the first wave of alerts, numerous additional hostile aircraft intrusion alerts sounded in another part of the Israeli north, including areas such as the Golan Heights.
The IDF confirmed that numerous rockets had been fired at Israel from Lebanon.
Despite Israeli military success against Hamas, the transition to the lower-intensity "stage 3" could allow the terror group the chance to regain its military foothold in the Strip.
Troops from the Golani Brigade recovered weapons and ammunition from within a civilian building, reportedly including dozens of shoulder-fired missiles and grenades.
In response to the attacks, the IDF reported that it had targeted the sources of the rocket fire.
No injuries were reported from the New Year's rocket attack.
Since the beginning of the Israel-Hamas War, more than 160 Hezbollah members have been killed.