Most likely because Hezbollah has lost 1/3 of their manpower in the killing fields of Syria...
Russia’s entry is good news and bad news. They’re helping to kill off the moderate beheaders and isis, but now you have Russia/Iran on Israel’s north border.
What's more the Jerusalem post six days earlier wrote:
As Hezbollah rocket arsenal grows By YAAKOV LAPPIN 01/20/2016
http://www.jpost.com/Arab-Israeli-Conflict/As-Hezbollah-rocket-arsenal-grows-Israel-creates-new-battalions-442197
We are in fact marching towards Armageddon and just how late in the day it is till we actually get there is something understood by few Americans.
Hezbollah has long gotten the missiles they routinely fire at Israel from Iran via Syria. Hezbollah has been decimated in that war defending the criminal dynasty of the Assads.