Chief of Staff to the Vice President of the United States. The Chief of Staff to the Vice President of the United States is the Chief of Staff position within the Office of the Vice President, part of the Executive Office of the President of the United States.
Although the diameter of hail is varied, in the United States, the average observation of damaging hail is between 2.5 cm (1 in) and golf ball-sized (1.75 in). Stones larger than 2 cm (0.80 in) are usually considered large enough to cause damage.
One way to document hail damage is to measure off one square of roof (100 square feet or a 10' by 10' area) and count the number of hail impacts (dents, cracks, bare asphalt, etc.) in that area.Do this in three or four locations on your roof, and take the average number of 'hits' in each area.ail Damage to a Shingle Roof. Though 'hail-proof' roof materials are not available, 'hail-resistant' materials are available. The official standard in hail-resistance is given by the American Society of Testing and Materials (ASTM) and is rated class 1 through class 4 (the best).