Quickly predict changing weather conditions. This hand pocket guide includes 11 cards which describe the appearance of 10 cloud types along with additional details about their related weather patterns. Shows cloud types and elevations. Includes photos and cloud classification chart. Can be use to predict imminent weather. Excellent learning tool. Cards are laminated and bound by a grommet. Measures 2 1/4″ x 3 1/2″ x 1″. Weight: 0.6 oz.