The amount of calories you will burn in an hour will depend on not only your height and weight, but also your body composition and personal intensity level. Your metabolism is so individual, that it’s hard to say. I have read that this program boasts anywhere from 800-1000 calories–but that is doubtful for your height and weight.
You could try wearing a monitor during this workout, but even that is an estimate at best. Based on the workout (and amount of weights you are using), your body and the other factors mentioned, it would be more realistic to estimate anywhere from 350-600. Again, it depends on your individual factors and intensity level. You also have to factor in warm up and cool down minutes, so you are not at your highest intensity level for 60 minutes straight. However, your body continues to burn calories for many hours after this type of class due to the interval nature of the class. This type of workout is great for calorie burn and fat loss, as well as increasing your endurance.