Subsequently , it was downgraded to a category 1 tropical cyclone on January 14 .
Later that day , RSMC Nadi reported that Vania started weakening and downgraded it into a Category 2 tropical cyclone .
Subsequently , RSMC Nadi was downgraded to a category 1 tropical cyclone on January 14 .
Later that day , RSMC Nadi reported that Vania started weakening and downgraded it into a Category 2 tropical cyclone .